top generac oil filters 2025

When searching for a Generac generator oil filter, it’s vital to pick a product that offers reliable filtration, compatibility with your model, and durability. The Genuine Generac 070185ES stands out as the best overall choice, thanks to its proven performance and perfect fit for many models. Meanwhile, options like the Multi-pack of 070185ES filters provide better value for those maintaining multiple units or looking to stock up. The main tradeoffs involve balancing between cost and quality, as cheaper filters may sacrifice longevity or filtration efficiency. Continue reading for a detailed breakdown of each option to find the best fit for your generator’s needs.

15
compared
9
brands
Which generac generator oil filter should you buy?
★ Top Pick
6485 Maintenance Kit for Gener
Best Overall Maintenance Kit for Generac 16-26kW Generators
Complete kit with all essential maintenance components
See on Amazon →
Generac owners who want a versatile, cost-effective kit for routine upkeep across multiple models
6485 Maintenance Kit Replaceme
Wide compatibility with various Generac models
View on Amazon →
Owners of multiple Generac generators or those seeking bulk replacements for routine oil changes
10 Pack of 070185ES Oil Filter
Compatible with a broad range of Generac models
View on Amazon →
Homeowners wanting an affordable, reliable maintenance kit for Generac generators with 999cc engines
6485 Maintenance Kit Compatibl
Compatible with a wide range of Generac models
View on Amazon →
Owners of Generac generators requiring durable, exact-replacement oil filters for ongoing use
Oil Filter 2-Pack for Generac
Exact replacement for Generac 070185ES
View on Amazon →
Pros & cons at a glance
6485 Maintenance Kit for Gener
✓ Complete kit with all essential maintenance components
✗ Requires maintenance every 200 hours or two years
6485 Maintenance Kit Replaceme
✓ Wide compatibility with various Generac models
✗ Requires maintenance every 200 hours or two years
10 Pack of 070185ES Oil Filter
✓ Compatible with a broad range of Generac models
✗ Limited information on filter material and lifespan
6485 Maintenance Kit Compatibl
✓ Compatible with a wide range of Generac models
✗ Requires regular replacement every 200 hours or two years
Oil Filter 2-Pack for Generac
✓ Exact replacement for Generac 070185ES
✗ Limited to specific generator models using this filter
070185ES Oil Filter for Genera
✓ 30% more filter capacity improves impurity removal and extends service intervals
✗ Limited compatibility restricts use to specific models
3-Pack of 070185ES Oil Filters
✓ Compatible with a wide range of Generac 070185E models
✗ Limited to specific generator models
070185ES Oil Filters Compatibl
✓ Compatible with a broad range of Generac portable models
✗ Limited to specific generator models
Generac 5W-30 Full Synthetic O
✓ High-quality 5W-30 synthetic oil for enhanced engine protection
✗ Limited to Generac equipment only
Generac 5W-20 Full Synthetic O
✓ Includes all essential components for a quick, clean oil change
✗ Limited to specific oil type (5W-20)

Complete the kit

Porch Shield Waterproof Universal Generator Cover 32 x 24...
Porch Shield Waterproof Universal Generator Cover 32 x 24…
Add to your setup →
Porch Shield Waterproof Universal Generator Cover 38 x 28...
Porch Shield Waterproof Universal Generator Cover 38 x 28…
Add to your setup →
Generator Cover Portable Waterproof,Generator Rain Cover...
Generator Cover Portable Waterproof,Generator Rain Cover…
Add to your setup →

Key Takeaways

  • The Genuine Generac 070185ES consistently outperforms generic options in durability and filtration quality.
  • Buying in multi-packs often reduces per-unit costs, making them ideal for owners with multiple generators or regular maintenance schedules.
  • Compatibility varies; ensuring the filter matches your specific generator model prevents installation issues and performance problems.
  • Premium kits with synthetic oils and additional filters offer convenience but come at a higher price point.
  • Price alone isn’t the best indicator of quality; investing in genuine or well-reviewed filters tends to ensure better engine protection.
2
6485 Maintenance Kit Replaceme
Best Compatibility and Versatility Maintenance Kit
1
6485 Maintenance Kit for Gener
Best Overall Maintenance Kit for Generac 16-26kW Generators
3
10 Pack of 070185ES Oil Filter
Best Value Pack for Oil Filter Replacements

Our Top Generac Generator Oil Filter Picks

6485 Maintenance Kit for Generac 16-26kW Air Cooled Standby Generators6485 Maintenance Kit for Generac 16-26kW Air Cooled Standby GeneratorsBest Overall Maintenance Kit for Generac 16-26kW GeneratorsCompatibility: Generac Guardian Series 16kW-26kW air-cooled generatorsIncludes: Oil filter, air filter, spark plugs, oil funnelEngine Size: 999ccVIEW ON AMAZONSee Our Full Breakdown
6485 Maintenance Kit Replacement Oil Air Filter for Generac 0J8478S 070185ES fits Most 16 to 26 kW Air Cooled Generators6485 Maintenance Kit Replacement Oil Air Filter for Generac 0J8478S 070185ES fits Most 16 to 26 kW Air Cooled GeneratorsBest Compatibility and Versatility Maintenance KitAir Filter Part Number: 0J8478SOil Filter Part Number: 070185E / 070185ESSpark Plug Part Number: K5RTC / RC12YCVIEW ON AMAZONSee Our Full Breakdown
10 Pack of 070185ES Oil Filters for Generac Air-Cooled and Portable Generators10 Pack of 070185ES Oil Filters for Generac Air-Cooled and Portable GeneratorsBest Value Pack for Oil Filter ReplacementsBrand: powmxModel Number: 070185ESIncluded Components: filterVIEW ON AMAZONSee Our Full Breakdown
6485 Maintenance Kit Compatible with Generac 16-26 KW Cooled Generators 999cc Engine with Paper Funnel Oil Wipe6485 Maintenance Kit Compatible with Generac 16-26 KW Cooled Generators 999cc Engine with Paper Funnel Oil WipeBest Budget-Friendly Maintenance Kit with Replacement PartsCompatibility: Generac 16-26 KW air-cooled generators (2013 or later)Engine: 999ccPackage Dimensions: 8.54 x 6.26 x 4.61 inchesVIEW ON AMAZONSee Our Full Breakdown
Oil Filter 2-Pack for Generac 070185ES – 3/4-16 Thread, 90mm LengthOil Filter 2-Pack for Generac 070185ES - 3/4-16 Thread, 90mm LengthBest for Replacement and DurabilityReplaces: Generac 070185ESThread Size: 3/4-16 UNFCanister Length: 90mmVIEW ON AMAZONSee Our Full Breakdown
070185ES Oil Filter for Generac Guardian 8-24kW Air-Cooled Generators, 2 Pack070185ES Oil Filter for Generac Guardian 8-24kW Air-Cooled Generators, 2 PackBest OverallCompatibility: Generac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier air-cooled generators (8kW-20kW, up to 24kW portable)Design: Orange 90MMFilter Capacity: 30% more than standard 75MM filtersVIEW ON AMAZONSee Our Full Breakdown
3-Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185E3-Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185EBest Value PackCompatibility: Generac 070185E, 8kW-24kW home standby, portable generatorsPackage Quantity: 3Engine Compatibility: select 760cc and most 990cc enginesVIEW ON AMAZONSee Our Full Breakdown
070185ES Oil Filters Compatible with Generac Engines 8-24kW Guardian Portable Outdoor Generator 760cc 990cc (2 Pack)070185ES Oil Filters Compatible with Generac Engines 8-24kW Guardian Portable Outdoor Generator 760cc 990cc (2 Pack)Best for Engine LongevityCompatibility: Generac 8-24kW portable outdoor generators from 2008+Replaces OEM Numbers: 070185E, 070185ES, 070185B, 070185D, 070185F, 070185Capacity: 30% more than standard 75mm filtersVIEW ON AMAZONSee Our Full Breakdown
Generac 5W-30 Full Synthetic Oil Change Kit – 2 Quarts Oil and FilterGenerac 5W-30 Full Synthetic Oil Change Kit - 2 Quarts Oil and FilterBest for Engine ProtectionOil Type: 5W-30 Full SyntheticQuantity: 2 QuartsIncludes: Oil, Filter, Absorbent PadVIEW ON AMAZONSee Our Full Breakdown
Generac 5W-20 Full Synthetic Oil Change Bundle with Oil, Filter, Funnel, and Absorbent PadGenerac 5W-20 Full Synthetic Oil Change Bundle with Oil, Filter, Funnel, and Absorbent PadBest Complete Maintenance KitOil Type: 5W-20 full syntheticQuantity: 2 QuartsIncludes: Oil, Filter, Funnel, Absorbent PadVIEW ON AMAZONSee Our Full Breakdown
3PCS Oil Filter and Spark Plug Set for Generac Guardian 8-24kW Generators3PCS Oil Filter and Spark Plug Set for Generac Guardian 8-24kW GeneratorsBest Complete Maintenance SetReplaces: 070185ES, 070185E, 70185f, 070185B, 070185D, 070185F, 070185, RC12YC, 0E7585A, RC14YCCompatible Models: Generac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier air-cooled generators (8kW-20kW), portable outdoor generators up to 24kWIncludes: 3 oil filters, 6 spark plugsVIEW ON AMAZONSee Our Full Breakdown
Generac 2 Pack Genuine 070185ES Oil Filter for Portable GeneratorsGenerac 2 Pack Genuine 070185ES Oil Filter for Portable GeneratorsBest OEM Compatibility for Portable GeneratorsIncludes: 2 oil filtersReplaces: 070185, 070185E, 070185FApplication: Portable generators 10kW to 17.5kWVIEW ON AMAZONSee Our Full Breakdown
070185ES Oil Filter Compatible with Generac Guardian 8-24kW Series Air-Cooled Generators (2 Pack)070185ES Oil Filter Compatible with Generac Guardian 8-24kW Series Air-Cooled Generators (2 Pack)Best Capacity Boost for Extended FiltrationCompatibility: Generac 070185E, 8kW-24kW generators (2008-present)Replace OEM Numbers: 070185E, 070185ES, 070185B, 070185D, 070185F, 070185Size: 90mmVIEW ON AMAZONSee Our Full Breakdown
5 Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185E5 Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185EBest Bulk Value for Multiple ReplacementsQuantity: 5 packCompatibility: Generac 070185E, portable generators, 8kW-24kW home standby generators, select enginesVIEW ON AMAZONSee Our Full Breakdown
2pcs Oil Filter for Generac Guardian 8-24kW 070185F 070185E 070185ES2pcs Oil Filter for Generac Guardian 8-24kW 070185F 070185E 070185ESBest High-Capacity OEM ReplacementBrand: GallopingKnightModel Number: A069Included Components: 2 Oil FiltersVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
generac generator oil filterCompatibility
6485 Maintenance Kit for GenerGenerac Guardian Series 16kW-26kW air-cooled generators
6485 Maintenance Kit Replaceme
10 Pack of 070185ES Oil Filter
6485 Maintenance Kit CompatiblGenerac 16-26 KW air-cooled generators (2013 or later)
Oil Filter 2-Pack for Generac
070185ES Oil Filter for GeneraGenerac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier air-cooled generators (8kW-20kW, up to 24kW portable)
3-Pack of 070185ES Oil FiltersGenerac 070185E, 8kW-24kW home standby, portable generators
070185ES Oil Filters CompatiblGenerac 8-24kW portable outdoor generators from 2008+
Generac 5W-30 Full Synthetic O
Generac 5W-20 Full Synthetic O
3PCS Oil Filter and Spark Plug
Generac 2 Pack Genuine 070185E
070185ES Oil Filter CompatibleGenerac 070185E, 8kW-24kW generators (2008-present)
5 Pack of 070185ES Oil FiltersGenerac 070185E, portable generators, 8kW-24kW home standby generators, select engines
2pcs Oil Filter for Generac GuGenerac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier generators (8-24kW)

More Details on Our Top Picks

  1. 6485 Maintenance Kit for Generac 16-26kW Air Cooled Standby Generators

    6485 Maintenance Kit for Generac 16-26kW Air Cooled Standby Generators

    Best Overall Maintenance Kit for Generac 16-26kW Generators

    View on Amazon

    This comprehensive kit stands out for its all-in-one approach, providing high-efficiency filters, spark plugs, and a handy oil funnel, making routine maintenance straightforward. Compared with the 6485 Replacement Oil Air Filter, this kit offers the convenience of multiple components in a single package, ideal for those who prefer a complete overhaul at once. The inclusion of a bonus oil funnel adds value, but it requires scheduled maintenance every 200 hours or two years, which could be a hassle in high-use environments. Its compatibility is limited to specific Generac Guardian Series models, so it’s not suitable for older or non-Guardian generators. Still, for homeowners wanting reliable, all-inclusive maintenance, this kit simplifies upkeep and extends engine life.

    Pros:
    • Complete kit with all essential maintenance components
    • High-efficiency filters that extend engine lifespan
    • Includes a handy oil funnel for easier oil changes
    • Affordable compared to OEM parts
    Cons:
    • Requires maintenance every 200 hours or two years
    • Limited compatibility to specific Generac models
    • No detailed installation instructions included

    Best for: Homeowners with Generac Guardian Series 16-26kW air-cooled generators seeking a full maintenance solution

    Not ideal for: Generators outside the Guardian Series or users preferring individual parts for custom maintenance schedules

    • Compatibility:Generac Guardian Series 16kW-26kW air-cooled generators
    • Includes:Oil filter, air filter, spark plugs, oil funnel
    • Engine Size:999cc
    • Warranty:1 year
    Our verdict
    “This kit is best for homeowners who want a one-stop, reliable maintenance package for compatible Generac generators.”
  2. 6485 Maintenance Kit Replacement Oil Air Filter for Generac 0J8478S 070185ES fits Most 16 to 26 kW Air Cooled Generators

    6485 Maintenance Kit Replacement Oil Air Filter for Generac 0J8478S 070185ES fits Most 16 to 26 kW Air Cooled Generators

    Best Compatibility and Versatility Maintenance Kit

    View on Amazon

    Compared with the full maintenance kit, this replacement set focuses on core filters and spark plugs, offering a straightforward maintenance option for a wide array of models. It covers essential parts like the air filter, oil filter, and spark plugs, making it suitable for those who prefer to replace only what’s necessary. While it’s compatible with multiple Generac models, it requires maintenance every 200 hours or two years, similar to other kits, and in dusty environments, filters may clog faster. Its broad compatibility makes it ideal for users with different generator models, but it doesn’t include optional extras like oil funnels or detailed instructions. Overall, this kit strikes a balance between cost and essential maintenance needs.

    Pros:
    • Wide compatibility with various Generac models
    • Includes both air and oil filters plus spark plugs
    • Easy to perform routine maintenance with all necessary parts
    • Cost-effective for regular replacements
    Cons:
    • Requires maintenance every 200 hours or two years
    • Limited to specific generator models
    • May need more frequent service in dusty environments

    Best for: Generac owners who want a versatile, cost-effective kit for routine upkeep across multiple models

    Not ideal for: Users seeking comprehensive kits with extra tools or who operate in very dusty conditions requiring more frequent filter changes

    • Air Filter Part Number:0J8478S
    • Oil Filter Part Number:070185E / 070185ES
    • Spark Plug Part Number:K5RTC / RC12YC
    • Includes:Air filter, oil filter, 2 spark plugs
    • Engine Compatibility:16 to 26 kW, 999cc engines
    • Maintenance Interval:200 hours or 2 years
    Our verdict
    “This kit is suited for owners needing a flexible, economical solution for standard generator maintenance across multiple models.”
  3. 10 Pack of 070185ES Oil Filters for Generac Air-Cooled and Portable Generators

    10 Pack of 070185ES Oil Filters for Generac Air-Cooled and Portable Generators

    Best Value Pack for Oil Filter Replacements

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    This 10-pack offers excellent value, especially for owners with multiple generators or those who prefer stockpiling replacements. Compared to individual filters like the 070185ES, bulk packs reduce long-term costs and ensure availability. These filters are compatible with Generac air-cooled and portable models from 2008 onward, but their durability and filter material are not extensively documented, making long-term performance uncertain. The high-efficiency filtration media helps trap small particles, improving engine health, though customer reviews are limited, meaning real-world longevity remains unverified. It’s a practical choice for budget-conscious users who prioritize quantity over specialized features.

    Pros:
    • Pack of 10 filters offers great value
    • Compatible with a broad range of Generac models
    • Effective at capturing small particles to protect engine
    • Ideal for bulk replacement needs
    Cons:
    • Limited information on filter material and lifespan
    • Unverified long-term durability from customer feedback
    • No specific details on filter capacity or efficiency

    Best for: Owners of multiple Generac generators or those seeking bulk replacements for routine oil changes

    Not ideal for: Users with specific generator models outside the compatible range or those needing detailed filter specifications

    • Brand:powmx
    • Model Number:070185ES
    • Included Components:filter
    • Number of Items:10
    • UPC:198168779224
    • Item Type:oil filter
    Our verdict
    “This bulk pack suits budget-minded owners managing multiple generators or seeking reliable stock for routine maintenance.”
  4. 6485 Maintenance Kit Compatible with Generac 16-26 KW Cooled Generators 999cc Engine with Paper Funnel Oil Wipe

    6485 Maintenance Kit Compatible with Generac 16-26 KW Cooled Generators 999cc Engine with Paper Funnel Oil Wipe

    Best Budget-Friendly Maintenance Kit with Replacement Parts

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    This kit provides a cost-effective way to maintain Generac 16-26kW air-cooled generators, including filters and multiple OEM replacement parts, simplifying routine service. It’s comparable to the 6485 Maintenance Kit but adds a paper funnel and oil wipe, which enhances the ease of oil changes and cleanliness. While it’s compatible with many models from 2013 onward and offers high-quality filters, it requires maintenance every 200 hours or two years, similar to other kits. Its affordability makes it appealing, but in dusty or frequent-use environments, the need for more frequent filter changes could increase costs over time. It’s ideal for budget-conscious homeowners who want reliable parts without extra frills.

    Pros:
    • Compatible with a wide range of Generac models
    • Includes high-quality filters for engine efficiency
    • Easy to install without additional tools
    • Cost-effective maintenance solution
    Cons:
    • Requires regular replacement every 200 hours or two years
    • May need more frequent service in dusty conditions
    • No advanced features or detailed instructions included

    Best for: Homeowners wanting an affordable, reliable maintenance kit for Generac generators with 999cc engines

    Not ideal for: High-use environments or users requiring detailed instructions or premium features

    • Compatibility:Generac 16-26 KW air-cooled generators (2013 or later)
    • Engine:999cc
    • Package Dimensions:8.54 x 6.26 x 4.61 inches
    • Item Weight:1.21 pounds
    • Part Numbers Replaced:0062440, 0062500, 0062580, 0062620, 0062680, 0062770, 0062581
    Our verdict
    “This budget-friendly kit is a smart choice for owners seeking reliable, straightforward maintenance for compatible Generac models.”
  5. Oil Filter 2-Pack for Generac 070185ES – 3/4-16 Thread, 90mm Length

    Oil Filter 2-Pack for Generac 070185ES - 3/4-16 Thread, 90mm Length

    Best for Replacement and Durability

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    This 2-pack offers precise replacement for the Generac 070185ES, featuring a heavy-duty steel canister for durability and high-efficiency filtration media that captures small particles, protecting engine components. Compared with the other kits, it emphasizes longevity and robustness, making it suitable for users who prioritize durability and quick oil pressure on startup thanks to its anti-drain back valve. However, its limited compatibility confines it to models using this specific filter, and it doesn’t specify lifespan or capacity, which might be a concern for those with high-mileage generators. This pick makes the most sense for owners needing reliable, long-lasting filters for specific models.

    Pros:
    • Exact replacement for Generac 070185ES
    • Heavy-duty steel canister enhances durability
    • High-efficiency media captures small particles
    • Built-in anti-drain back valve ensures quick startup
    Cons:
    • Limited to specific generator models using this filter
    • No details on filter lifespan or capacity
    • Limited to a 2-pack, which may be insufficient for high-mileage owners

    Best for: Owners of Generac generators requiring durable, exact-replacement oil filters for ongoing use

    Not ideal for: Users with different generator models or those seeking a multi-pack for various filters

    • Replaces:Generac 070185ES
    • Thread Size:3/4-16 UNF
    • Canister Length:90mm
    • Number of Filters:2
    Our verdict
    “This filter is ideal for owners needing a rugged, precise replacement that offers reliable engine protection over time.”
  6. 070185ES Oil Filter for Generac Guardian 8-24kW Air-Cooled Generators, 2 Pack

    070185ES Oil Filter for Generac Guardian 8-24kW Air-Cooled Generators, 2 Pack

    Best Overall

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    This oil filter stands out for its increased capacity, featuring 30% more filtering surface compared to standard 75MM filters, which means longer intervals between replacements and better impurity removal. Its durable construction and vibrant orange color make it easy to identify and install, providing a reliable choice for maintaining engine health. Compared with the 070185ES 2-pack, this option offers a single, high-capacity filter that suits those prioritizing efficiency and durability over quantity. Its main tradeoff is its limited compatibility—designed specifically for certain Generac models—so it’s not ideal for universal use. For homeowners with compatible Guardian or portable models looking for a straightforward, long-lasting filter, this makes a compelling case.

    Pros:
    • 30% more filter capacity improves impurity removal and extends service intervals
    • Durable construction ensures long-lasting performance
    • Easy to identify with bright orange design
    Cons:
    • Limited compatibility restricts use to specific models
    • No detailed installation instructions included
    • Requires gloves during replacement for safety

    Best for: Generators owners who prioritize longer-lasting filters with better impurity removal, especially for regular maintenance routines

    Not ideal for: Users with a wide range of generator types or those seeking the most budget-friendly option, as the specialized design might come at a higher cost

    • Compatibility:Generac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier air-cooled generators (8kW-20kW, up to 24kW portable)
    • Design:Orange 90MM
    • Filter Capacity:30% more than standard 75MM filters
    • Package:2 Pack
    • Replaces OEM:070185E, 070185F
    • Warranty:1 year
    Our verdict
    “This filter is best suited for Generac owners seeking high capacity and durability for their compatible generators.”
  7. 3-Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185E

    3-Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185E

    Best Value Pack

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    Compared with the single high-capacity 070185ES filter, this 3-pack offers convenience and cost savings for owners with multiple or frequent generator maintenance needs. It’s compatible with a broad range of Generac 070185E models, including both home standby and portable units, making it versatile for various engine sizes. While this pack provides effective particle filtration and extends engine life, the main limitation is its specificity—if your generator model isn’t listed, these won’t fit. Additionally, the lack of pricing details and customer ratings mean you’ll need to assess whether the bulk purchase aligns with your usage frequency. This pick makes the most sense for those who want a reliable supply for regular maintenance without buying individual filters repeatedly.

    Pros:
    • Compatible with a wide range of Generac 070185E models
    • Includes three filters, offering great value for frequent use
    • Effective particle filtration for engine efficiency
    Cons:
    • Limited to specific generator models
    • No price or customer rating info provided
    • No detailed installation instructions included

    Best for: Owners of multiple Generac 070185E models or those who prefer bulk purchases for ongoing maintenance

    Not ideal for: Consumers with different generator models outside the listed compatibility or those seeking a single, immediate replacement

    • Compatibility:Generac 070185E, 8kW-24kW home standby, portable generators
    • Package Quantity:3
    • Engine Compatibility:select 760cc and most 990cc engines
    • Fits Models:Various portable generator models listed
    Our verdict
    “This 3-pack is ideal for budget-conscious owners who require multiple filters for ongoing maintenance of compatible Generac models.”
  8. 070185ES Oil Filters Compatible with Generac Engines 8-24kW Guardian Portable Outdoor Generator 760cc 990cc (2 Pack)

    070185ES Oil Filters Compatible with Generac Engines 8-24kW Guardian Portable Outdoor Generator 760cc 990cc (2 Pack)

    Best for Engine Longevity

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    This set of two filters is designed specifically for Generac 8-24kW portable generators from 2008 onward, emphasizing engine protection by preventing clogging and extending engine life. Its upgraded capacity—30% more than standard filters—makes it suitable for users who perform regular oil changes or operate their generators frequently. Compared to the 070185ES 3-pack, this option is more targeted for specific models, but the two filters provide a good balance of cost and convenience. Its main drawback is that it’s limited to certain generator types, so owners of different models should look elsewhere. For those with compatible portable units seeking a reliable, long-lasting filter, this is a solid choice.

    Pros:
    • Compatible with a broad range of Generac portable models
    • Includes two high-capacity filters for extended use
    • Helps prevent clogging and maintain engine performance
    Cons:
    • Limited to specific generator models
    • No detailed installation instructions included
    • Price details are not provided, making cost comparison difficult

    Best for: Owners of Generac portable generators who prioritize engine longevity and frequent maintenance

    Not ideal for: Users with non-compatible generator models or those needing a larger supply for multiple units

    • Compatibility:Generac 8-24kW portable outdoor generators from 2008+
    • Replaces OEM Numbers:070185E, 070185ES, 070185B, 070185D, 070185F, 070185
    • Capacity:30% more than standard 75mm filters
    • Included Components:2 Oil Filters
    • Warranty:2 Years
    Our verdict
    “This kit suits Generac portable generator owners wanting dependable filters for regular use and engine protection.”
  9. Generac 5W-30 Full Synthetic Oil Change Kit – 2 Quarts Oil and Filter

    Generac 5W-30 Full Synthetic Oil Change Kit - 2 Quarts Oil and Filter

    Best for Engine Protection

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    This kit combines high-quality synthetic oil with an OEM filter, offering a complete solution for maintaining engine performance. The 5W-30 synthetic oil provides excellent cold-start flow and engine protection, while the OEM filter ensures precise fit and filtration. The included spill-proof pad makes oil changes cleaner, especially for those who prefer DIY maintenance. Compared with generic oil change kits, this set emphasizes quality and compatibility, making it suitable for owners who want peace of mind that their generator runs smoothly. The main consideration is that it’s limited to Generac equipment, and without detailed compatibility info, users should double-check their model before purchasing. For meticulous owners seeking premium oil and filter, this is a reliable option.

    Pros:
    • High-quality 5W-30 synthetic oil for enhanced engine protection
    • OEM filter for guaranteed compatibility and filtration efficiency
    • Includes spill-proof pad for cleaner oil changes
    Cons:
    • Limited to Generac equipment only
    • No specific compatibility details provided
    • Price might be higher than generic alternatives

    Best for: Generac owners who prioritize synthetic oil for optimal engine protection and easy maintenance

    Not ideal for: Those with multiple generator brands or looking for more economical, less premium options

    • Oil Type:5W-30 Full Synthetic
    • Quantity:2 Quarts
    • Includes:Oil, Filter, Absorbent Pad
    Our verdict
    “This kit is perfect for owners seeking premium synthetic oil and OEM quality filters for their Generac generator.”
  10. Generac 5W-20 Full Synthetic Oil Change Bundle with Oil, Filter, Funnel, and Absorbent Pad

    Generac 5W-20 Full Synthetic Oil Change Bundle with Oil, Filter, Funnel, and Absorbent Pad

    Best Complete Maintenance Kit

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    This all-in-one kit offers two quarts of 5W-20 synthetic oil, an OEM filter, plus accessories like a funnel and spill pad, streamlining the oil change process. It’s ideal for DIY owners who want a comprehensive package that minimizes mess and ensures proper oil levels. The high-quality synthetic oil and OEM filter promise reliable engine performance, but the kit’s main limitation lies in its specificity—only suitable for engines requiring 5W-20 oil. While convenient, it might be unnecessary for owners with different oil requirements or those seeking the most economical option. For those who value complete, spill-free maintenance, this bundle provides everything needed in one package.

    Pros:
    • Includes all essential components for a quick, clean oil change
    • High-quality OEM oil and filter ensure reliability
    • Spill-proof funnel and absorbent pad simplify maintenance
    Cons:
    • Limited to specific oil type (5W-20)
    • Price may be higher than buying individual components
    • No detailed compatibility info included

    Best for: DIY owners performing regular oil changes on compatible generators who want a full, spill-proof kit

    Not ideal for: Owners with generators that specify different oil weights or those on a tight budget seeking minimal extras

    • Oil Type:5W-20 full synthetic
    • Quantity:2 Quarts
    • Includes:Oil, Filter, Funnel, Absorbent Pad
    Our verdict
    “This complete kit is best for DIYers who prioritize convenience and cleanliness during routine oil changes.”
  11. 3PCS Oil Filter and Spark Plug Set for Generac Guardian 8-24kW Generators

    3PCS Oil Filter and Spark Plug Set for Generac Guardian 8-24kW Generators

    Best Complete Maintenance Set

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    This set stands out for offering both oil filters and spark plugs, making it ideal for those who prefer a comprehensive maintenance approach without buying parts separately. Compared with individual filters like the 070185ES Oil Filter (B0DB7DCFDH), this pack provides convenience and cost savings. The included spark plugs add value, though the package is limited to specific generator models and lacks detailed compatibility info. The quality materials promise durability, but the absence of price details makes it harder to assess overall value.

    Best For: Homeowners seeking an all-in-one kit for routine generator upkeep.

    Not Ideal For: Owners of older models or those needing specific parts only, since compatibility isn’t exhaustively detailed.

    • Includes both oil filters and spark plugs for full maintenance
    • Easy to install with standardized parts
    • Made from durable, quality materials
    • Limited to certain generator models
    • No detailed compatibility info for older units

    Verdict: This set is perfect for users who want a straightforward, all-in-one maintenance kit for compatible Generac models.

    • Replaces:070185ES, 070185E, 70185f, 070185B, 070185D, 070185F, 070185, RC12YC, 0E7585A, RC14YC
    • Compatible Models:Generac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier air-cooled generators (8kW-20kW), portable outdoor generators up to 24kW
    • Includes:3 oil filters, 6 spark plugs
    • Features:Easy to install, standardized manufacturing, quality materials
    Our verdict
    “Best Complete Maintenance Set — a strong pick in this lineup.”
  12. Generac 2 Pack Genuine 070185ES Oil Filter for Portable Generators

    Generac 2 Pack Genuine 070185ES Oil Filter for Portable Generators

    Best OEM Compatibility for Portable Generators

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    This pick makes the most sense for owners of portable Generac generators in the 10kW to 17.5kW range, where genuine OEM parts matter for performance. Compared to multi-purpose sets like the 5 Pack of 070185ES Oil Filters (B0D11MTTM1), this 2-pack focuses solely on authenticity and compatibility, which can translate into fewer installation issues. The lack of detailed installation instructions and specific filter specs might require users to double-check fitment, but the certainty of OEM quality helps reduce long-term maintenance risks.

    Best For: Owners of portable Generac generators seeking trusted, original parts for routine oil changes.

    Not Ideal For: Those with older or less common models, as compatibility details are limited and no extra features are included.

    • Genuine OEM parts ensure perfect fit and performance
    • Includes two filters for convenience
    • Suitable for a broad range of portable models
    • No detailed installation instructions included
    • Limited to specific generator models

    Verdict: This product is ideal for users prioritizing OEM quality and reliability in portable generator maintenance.

    • Includes:2 oil filters
    • Replaces:070185, 070185E, 070185F
    • Application:Portable generators 10kW to 17.5kW
    Our verdict
    “Best OEM Compatibility for Portable Generators — a strong pick in this lineup.”
  13. 070185ES Oil Filter Compatible with Generac Guardian 8-24kW Series Air-Cooled Generators (2 Pack)

    070185ES Oil Filter Compatible with Generac Guardian 8-24kW Series Air-Cooled Generators (2 Pack)

    Best Capacity Boost for Extended Filtration

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    This filter is designed for Generac 070185E models used in 8kW-24kW generators, with a notable 90mm size offering 30% more capacity than standard filters like the 2pcs Oil Filter for Generac Guardian 8-24kW (B0FTZKS95P). The increased capacity helps keep oil cleaner longer, reducing the frequency of changes and potentially extending engine life. While compatibility is broad within the 2008-present models, the lack of customer reviews or detailed material info could be a concern for cautious buyers. Proper installation is critical to maximize its benefits.

    Best For: Homeowners with Generac models needing longer-lasting oil filtration.

    Not Ideal For: Those seeking detailed specs or who prefer filters with proven long-term performance data.

    • Increased capacity for better oil cleanliness
    • Compatible with a wide range of models
    • Includes a convenient 2-pack
    • No detailed customer feedback available
    • Requires careful installation to perform well

    Verdict: This filter is suited for users wanting a higher-capacity solution to extend oil change intervals on compatible Generac units.

    • Compatibility:Generac 070185E, 8kW-24kW generators (2008-present)
    • Replace OEM Numbers:070185E, 070185ES, 070185B, 070185D, 070185F, 070185
    • Size:90mm
    • Capacity:30% more than standard 75mm filter
    • Warranty:1 year
    Our verdict
    “Best Capacity Boost for Extended Filtration — a strong pick in this lineup.”
  14. 5 Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185E

    5 Pack of 070185ES Oil Filters for Air-Cooled and Portable Generators Compatible with Generac 070185E

    Best Bulk Value for Multiple Replacements

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    This set offers five filters compatible with Generac 070185E and various portable models, providing a budget-friendly way to keep multiple units or extra replacements on hand. Compared with the smaller 2 Pack of 070185ES Oil Filters (B0DB7DCFDH), this pack is more economical for users with several generators or those who want to stockpile. However, the lack of detailed material or filtration capacity info means buyers must trust the brand’s general quality. It’s a practical choice for cost-conscious owners but less suited for those needing specific technical assurances.

    Best For: Owners managing multiple generators or seeking affordable replacements in bulk.

    Not Ideal For: Users who want detailed technical specs or have very specific filtration requirements.

    • Affordable 5-pack for bulk replacements
    • Compatible with a broad range of Generac models
    • Helps maintain engine efficiency
    • No detailed info on filter material or lifespan
    • Limited to specific generator models

    Verdict: This set suits budget-conscious owners needing multiple filters for multiple units or future use.

    • Quantity:5 pack
    • Compatibility:Generac 070185E, portable generators, 8kW-24kW home standby generators, select engines
    Our verdict
    “Best Bulk Value for Multiple Replacements — a strong pick in this lineup.”
  15. 2pcs Oil Filter for Generac Guardian 8-24kW 070185F 070185E 070185ES

    2pcs Oil Filter for Generac Guardian 8-24kW 070185F 070185E 070185ES

    Best High-Capacity OEM Replacement

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    This set is tailored for Generac Guardian, Centurion, Bryant, and similar air-cooled generators up to 24kW, offering 30% more capacity than standard filters like the 070185ES Oil Filter (B0DZ9R6MZ3). Its high-capacity 90mm design enables longer intervals between changes, which can be a real time-saver. The durable construction and OEM compatibility make it a reliable choice, but the limited information on lifespan or specific filtering capabilities could make some hesitant. Installation is straightforward, but users should ensure correct fitment to maximize benefits.

    Best For: Home or small business owners wanting longer-lasting filtration with OEM assurance.

    Not Ideal For: Owners of older models needing detailed technical performance data or those seeking extensive product info upfront.

    • Enhanced filtration capacity for cleaner oil
    • Easy OEM replacement for smooth installation
    • Durable, high-quality build
    • No detailed lifespan info
    • Limited to specific models

    Verdict: Well-suited for users prioritizing extended filtration capacity and OEM compatibility in their generator maintenance.

    • Brand:GallopingKnight
    • Model Number:A069
    • Included Components:2 Oil Filters
    • Filter Diameter:90mm
    • Compatibility:Generac Guardian, Centurion, Bryant, Watchdog, Dayton, Siemens, Carrier generators (8-24kW)
    Our verdict
    “Best High-Capacity OEM Replacement — a strong pick in this lineup.”
generac generator oil filter
What makes a great generac generator oil filter
1
Compatibility with Your Generator Model
Ensuring the filter matches your specific Generac model is fundamental.
2
Filtration Efficiency and Material Quality
High-quality filters with superior filtration media help keep engine oil clean longer, reducing wear.
3
Ease of Installation and Replacement
Some filters are designed for straightforward installation with features like clear threading or simple removal.
4
Additional Maintenance Supplies
Many buyers overlook the need for compatible oil and tools alongside filters.
How to choose your generac generator oil filter
1
How we picked
The products included in this roundup were selected based on their compatibility with Generac generators, customer revie
2
Compatibility with Your Generator Model
Ensuring the filter matches your specific Generac model is fundamental.
3
Filtration Efficiency and Material Quality
High-quality filters with superior filtration media help keep engine oil clean longer, reducing wear.
4
Ease of Installation and Replacement
Some filters are designed for straightforward installation with features like clear threading or simple removal.
5
Additional Maintenance Supplies
Many buyers overlook the need for compatible oil and tools alongside filters.
Vetted generac generator oil filter ·
The best generac generator oil filter, compared
★ Winner 6485 Maintenance Kit for Gener
Best Overall Maintenance Kit for Generac 16-26kW Generators
15compared

How We Picked

The products included in this roundup were selected based on their compatibility with Generac generators, customer reviews, and overall value. We prioritized filters that are designed specifically for Generac models, especially those fitting 8-26kW air-cooled series, as these are the most common. Durability, filtration efficiency, and ease of installation also weighed heavily in our evaluation. Pricing was considered alongside bulk options to determine which offers the best cost-to-performance ratio. Our ranking aims to balance quality, affordability, and suitability for different user needs, from casual homeowners to professional maintenance providers.
Everyday → specialist
Everyday & valuePremium & specialist
Which generac generator oil filter fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Generac Generator Oil Filter

Choosing the right Generac generator oil filter involves more than just matching a part number. Several factors influence how well a filter will protect your engine and how cost-effective it will be over time. Understanding these factors helps prevent common mistakes, such as selecting incompatible filters or opting for overly cheap options that may fail prematurely.

Compatibility with Your Generator Model

Ensuring the filter matches your specific Generac model is fundamental. Using an incompatible filter can lead to poor sealing, leaks, or restricted oil flow, which may cause engine damage. Always verify the part number and specifications before purchasing, especially when buying aftermarket or bulk options.

Filtration Efficiency and Material Quality

High-quality filters with superior filtration media help keep engine oil clean longer, reducing wear. Synthetic media often outperform cellulose-based filters in trapping smaller particles, but tend to cost more. Balancing initial expense with long-term engine health is key—cheaper filters may save money upfront but could lead to more frequent replacements and potential engine issues.

Cost and Bulk Purchase Options

Bulk packs or multi-packs can significantly reduce cost per filter, making them appealing for ongoing maintenance. However, buying in large quantities is only worthwhile if you have multiple generators or perform regular oil changes. Be cautious of very cheap bulk options that might compromise quality—in such cases, investing in genuine filters often pays off in the long run.

Ease of Installation and Replacement

Some filters are designed for straightforward installation with features like clear threading or simple removal. Poorly designed filters can make maintenance more difficult, potentially damaging the filter or engine during replacement. Consider models with user-friendly features if you plan to do your own maintenance regularly.

Additional Maintenance Supplies

Many buyers overlook the need for compatible oil and tools alongside filters. Opting for filter kits that include oil, funnels, or cleaning supplies can streamline maintenance routines, but verify that these extra items match your generator specifications and quality expectations to avoid unnecessary costs or incompatibilities.

Frequently Asked Questions

How often should I replace my Generac generator oil filter?

Typically, the oil filter should be replaced every time you change the engine oil, which is usually every 100-200 hours of operation or once a year, whichever comes first. Regular replacement ensures contaminants are removed effectively, maintaining optimal engine performance and longevity. Always refer to your generator’s manual for specific intervals, as operating conditions like dust or heavy load can accelerate dirt accumulation and filter wear.

Can I use a generic oil filter for my Generac generator?

While some generic filters may physically fit, they often lack the precise filtration media and sealing quality of genuine parts. Using non-genuine filters can lead to leaks, poor filtration, or even engine damage if they fail prematurely. For peace of mind and to protect your investment, sticking with OEM or highly-rated compatible filters is generally the best choice.

Are multi-packs of oil filters a better value?

Multi-packs often reduce the overall cost per filter, making them attractive for owners with multiple units or frequent maintenance schedules. However, ensure that the filters in these packs meet the same quality standards as OEM parts. Buying in bulk is sensible only if you are confident the quality remains consistent—otherwise, it might be better to invest in fewer, higher-quality filters.

What features should I look for in a high-quality oil filter?

Look for filters with a durable build, high-grade filtration media, and a secure sealing mechanism. Synthetic media tends to trap smaller particles more effectively, and a sturdy construction prevents leaks and damage during installation. Additionally, some filters include features like anti-drain back valves or easy-to-grip designs, which can simplify maintenance and improve reliability.

Is it worth paying extra for a synthetic oil filter?

Investing in a synthetic oil filter can be worthwhile if your generator operates under demanding conditions or if you want to maximize engine protection. Synthetic media generally offers better filtration and longer service life, which can offset the higher initial cost through fewer replacements and enhanced engine longevity. For casual or infrequent use, a high-quality cellulose filter may suffice, but premium synthetic options provide added peace of mind.

Conclusion

For the typical homeowner or casual user, the Genuine Generac 070185ES remains the best overall choice due to its proven performance and perfect fit. Those maintaining multiple units or seeking the best value might prefer bulk packs or multi-packs of compatible filters, balancing cost and quality. Professional users or those who prioritize durability and filtration efficiency should consider premium synthetic filters or genuine parts, even if they come at a higher price. Beginners or infrequent users will find simple, OEM-compatible filters easiest to install and most reliable, while experienced technicians can benefit from bulk buying or multi-purpose kits for convenience and cost savings.

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