Choosing the right generator oil filter for well pumps is essential for maintaining reliable power during outages or routine operation. The best models offer high filtration efficiency, durability, and compatibility with your generator, but they often vary in price and features. The 070185ES Oil Filter for Generac 8kW-24kW Generators stands out as the best overall thanks to its high capacity and proven reliability. Other notable options include the Generac Oil Filter 90 Logo Orange Can, known for its high flow rate, and the 070185ES Oil Filter Compatible with Generac Generators (12 Pack), offering great value for bulk buyers. The key tradeoffs involve balancing filter lifespan, filtration quality, and cost. Continue reading for a detailed breakdown to help you make the best choice for your needs.
Complete the kit
Key Takeaways
- High-capacity filters, like the 070185ES, provide longer service intervals, reducing maintenance frequency.
- Bulk packs offer better value but may be less convenient for small or infrequent use.
- Compatibility with specific generator models is critical to ensure proper fit and filtration performance.
- Premium filters tend to offer higher filtration efficiency but come at a higher price point.
- Durability and build quality vary, with some filters designed specifically for rugged, outdoor use.
| 070185ES Oil Filter for Generac 8kW-24kW Generators 760cc & 990cc Engines |  | Best Overall for Generac Generator Owners | Part Number: 070185E/070185ES/070185D/070185F | Fit For: Generac 2008-Present 8kW-24kW generators, 760cc and most 990cc engines | Quantity: 1 | VIEW ON AMAZON | See Our Full Breakdown |
| 070185ES Oil Filter for Generac Guardian 8-24kW Generators 2 Pack |  | Best Value for Bulk Buyers and Budget-Conscious Users | Part Number: 070185ES, 070185E | Compatible Models: Generac Guardian 8-24kW, portable and standby from 2008+ | Design Length: 90mm | VIEW ON AMAZON | See Our Full Breakdown |
| 070185ES Oil Filter for Generac Guardian 8-24kW Generators (2 Pack) |  | Best for Upgraded Capacity and Wide Compatibility | Compatibility: Generac 8-24kW, 2008-present | Replace OEM Numbers: 070185E, 070185ES, 070185B, 070185D, 070185F, 070185, 70185 | Model Number: 070185ES | VIEW ON AMAZON | See Our Full Breakdown |
| Generac Oil Filter 90 Logo Orange Can – 070185ES / 070185E, 90mm High Capacity |  | Best OEM Quality and Extended Life | Brand: Generac | Model Number: 070185ES | Part Number: 070185ES / 070185E | VIEW ON AMAZON | See Our Full Breakdown |
| 070185ES Oil Filter for Generac 8kW-24kW Standby Generators |  | Best for Multi-Brand Compatibility and High Capacity | Part Number: 070185ES | Length: 90mm | Compatibility: Generac 8-24kW, Honeywell, Eaton, Siemens, and others | VIEW ON AMAZON | See Our Full Breakdown |
| Generac 2 Pack Genuine 070185ES Oil Filter for Generators |  | Best Overall for Compatibility and Reliability | Brand: Generac | Model Number: 070185ES | Unit Count: 2 | VIEW ON AMAZON | See Our Full Breakdown |
| 070185ES Oil Filter for Guardian 10-20KW Generator, 760cc/990cc Engines, 4 Pack |  | Best Value for Capacity and Range | Compatibility: Guardian 10-20KW, portable series | Replaces OEM Part Nos.: 070185E, 070185ES, 070185B, 070185D, 070185F, 070185 | Filter Size: 90mm | VIEW ON AMAZON | See Our Full Breakdown |
| 070185ES Oil Filter Compatible with Generac Generators (12 Pack) |  | Best for Bulk and Wide Compatibility | Brand: podafu | Unit Count: 12 | Compatible Generators: Guardian, Centurion, Watchdog, Eaton, Honeywell, Siemens | VIEW ON AMAZON | See Our Full Breakdown |
| 070185ES Oil Filter for Generac Guardian 8-24kW Air-Cooled Generators, 2 Pack |  | Best Premium for Capacity and Durability | VIEW ON AMAZON | See Our Full Breakdown |
More Details on Our Top Picks
070185ES Oil Filter for Generac 8kW-24kW Generators 760cc & 990cc Engines
This high-capacity filter stands out for its compatibility with a broad range of Generac models, including 8kW to 24kW units, making it the most versatile choice for owners seeking a reliable, straightforward replacement. Compared to the 070185ES 2 Pack, it offers a single, easy-to-install solution without the need for bulk buying, though it lacks detailed info on durability or lifespan, which could impact long-term confidence. Its high capacity ensures better engine protection, especially for those who prioritize extended intervals between replacements. Nevertheless, the absence of a warranty means users must rely on its build quality alone. If you own a Generac generator and want a dependable, all-in-one filter, this option provides a balanced mix of compatibility and ease of use.
Pros:- Compatible with a wide range of Generac models
- High capacity for longer protection intervals
- Easy to install and replace
Cons:- Limited information on durability and lifespan
- No warranty included
Best for: Owners of Generac 8kW-24kW generators seeking a reliable, high-capacity filter with straightforward installation.
Not ideal for: Buyers with non-Generac equipment or those needing detailed lifespan information and warranty support.
- Part Number:070185E/070185ES/070185D/070185F
- Fit For:Generac 2008-Present 8kW-24kW generators, 760cc and most 990cc engines
- Quantity:1
- Brand:Arpisziv
- Capacity:High capacity for extended engine protection
- Installation:Easy to install and replace
Our verdict“Ideal for Generac owners who prioritize compatibility and ease of installation without needing extensive warranty details.”
070185ES Oil Filter for Generac Guardian 8-24kW Generators 2 Pack
This 2-pack offers a cost-effective way to stock up for ongoing maintenance, with each filter featuring a 90mm length and 30% more capacity than standard filters like the 070185ES. Compared with single filters, it provides better value and ensures readiness for frequent replacements, especially for those managing multiple generators or performing regular maintenance. The increased capacity enhances filtration, but the package’s focus on specific Guardian models limits its versatility to other series. Lack of detailed info on filter material or lifespan means buyers must trust the manufacturer’s quality claims. For users needing multiple filters at a lower cost, this set balances capacity and cost-effectiveness well.
Pros:- Includes two filters for convenience and savings
- 30% more capacity than standard filters
- Compatible with a wide range of Guardian models
Cons:- Limited to specific generator models
- Price not specified (may vary)
Best for: Budget-conscious homeowners or maintenance professionals managing multiple Guardian series generators.
Not ideal for: Owners of non-Guardian models or those seeking detailed material specifications and warranties.
- Part Number:070185ES, 070185E
- Compatible Models:Generac Guardian 8-24kW, portable and standby from 2008+
- Design Length:90mm
- Filter Capacity:30% more than standard 75mm filters
- Package Quantity:2
Our verdict“Best for those needing multiple filters for Guardian generators at a lower overall cost without sacrificing capacity.”
070185ES Oil Filter for Generac Guardian 8-24kW Generators (2 Pack)
This set provides two filters with a 90mm upgrade for Generac 8-24kW models, emphasizing enhanced filtration and compatibility across a broad range of engines from 2008 onward. Compared to the simpler 070185ES, these filters offer a 30% capacity boost, aiming to extend oil life and improve generator efficiency. However, the lack of detailed warranty info and specific material disclosures makes it less appealing for those seeking long-term assurance. Its wide compatibility makes it suitable for users with multiple Generac models or those wanting a reliable upgrade. This pick makes sense for owners prioritizing capacity and broad compatibility over detailed product specifications or warranties.
Pros:- Compatible with a broad range of Generac generators
- Includes two filters for convenience
- Upgraded capacity improves filtration performance
Cons:- Lack of detailed warranty information
- No specific material data provided
Best for: Generac owners wanting a high-capacity, compatible filter with a focus on efficiency and longevity.
Not ideal for: Users requiring detailed material info or long-term warranty coverage for peace of mind.
- Compatibility:Generac 8-24kW, 2008-present
- Replace OEM Numbers:070185E, 070185ES, 070185B, 070185D, 070185F, 070185, 70185
- Model Number:070185ES
- Unit Count:2
- Capacity:30% more than standard 75mm filter
Our verdict“Suitable for users who need a reliable, high-capacity filter compatible with many Generac models, despite limited warranty info.”
Generac Oil Filter 90 Logo Orange Can – 070185ES / 070185E, 90mm High Capacity
This OEM filter features a distinctive orange can and a 90mm length, designed for Generac engines post-2008, with a focus on reliability and longevity. Compared with aftermarket options like the 070185ES 2-pack, this model offers proven OEM quality, which can be reassuring for those who prefer manufacturer-approved parts. Its 30% increased capacity ensures longer intervals between changes, but the design’s age and replacement by newer models may cause some confusion during procurement. It’s best suited for owners who value OEM assurance and straightforward compatibility, but less so for those seeking the latest updates or extended warranties.
Pros:- OEM quality ensures reliable performance
- Extended 90mm length offers longer life
- Compatible with a broad range of post-2008 models
Cons:- Replaced by newer models like 070185ES, which may cause confusion
- Limited to specific generator models
Best for: Generac owners who prefer OEM parts and need a trusted, high-capacity filter for post-2008 models.
Not ideal for: Buyers looking for the very latest model updates or comprehensive warranty support.
- Brand:Generac
- Model Number:070185ES
- Part Number:070185ES / 070185E
- Length:90mm
- Capacity:30% more filter capacity
- Fits:Generators 10kW to 20kW post-2008
Our verdict“Ideal for those prioritizing OEM reliability and compatibility for Generac generators after 2008, despite some model update confusion.”
070185ES Oil Filter for Generac 8kW-24kW Standby Generators
This filter excels in versatility, fitting not only Generac models but also brands like Honeywell, Eaton, and Siemens, making it suitable for owners managing diverse systems. Its 90mm high-capacity design offers 30% more filtration than standard filters such as the 070185ES, providing improved engine protection. Compared with other Generac-specific filters, it broadens compatibility, but this can come at the expense of detailed material info or warranty support. Its ease of installation and broad compatibility make it appropriate for those maintaining multiple generator brands, especially in commercial or multi-system environments.
Pros:- Compatible with multiple generator brands
- High-capacity 90mm filter enhances performance
- Easy to install and replace
Cons:- Limited detailed info on filter material
- No warranty details provided
Best for: Professionals or homeowners managing different generator brands needing a versatile, high-capacity filter.
Not ideal for: Single-brand users seeking detailed specifications or warranty assurances specific to Generac.
- Part Number:070185ES
- Length:90mm
- Compatibility:Generac 8-24kW, Honeywell, Eaton, Siemens, and others
- Filter Capacity:30% more than standard 75mm filters
- Package Includes:1x Oil Filter
Our verdict“Best suited for users with multi-brand generator setups who need a flexible, high-capacity filter option.”
Generac 2 Pack Genuine 070185ES Oil Filter for Generators
This set of two genuine Generac OEM filters stands out for ensuring perfect compatibility with a wide range of 8kW to 20kW generators. Compared with generic options, these filters guarantee a high-quality fit and optimal engine protection, though they lack detailed installation instructions and their price isn’t specified, which might be a concern for budget-conscious buyers. They are ideal for users who prioritize genuine parts and straightforward maintenance, but less suitable for those seeking aftermarket alternatives or detailed guides.
Pros: Genuine OEM quality ensures reliable fit and performance; Includes two filters for convenience and savings; Compatible with a broad range of generator models
Cons: Limited to specific generator models; No detailed installation instructions included; Price is not specified, which could affect value perception
Verdict: This pick is best suited for owners who want peace of mind with authentic parts and straightforward compatibility.
Pros:- Genuine OEM quality ensures compatibility and durability
- Includes two filters for ongoing maintenance and value
- Suitable for a wide range of generator models
Cons:- Limited to specific generator models listed
- No detailed installation instructions included
Best for: Owners of Generac generators who need reliable OEM parts for long-term performance
Not ideal for: Buyers seeking aftermarket filters or detailed installation guides, as these are limited to compatible models and lack instructions
- Brand:Generac
- Model Number:070185ES
- Unit Count:2
- Included Components:Oil Filters
- Fits Generator Models:8kW to 20kW portable and standby units
- Replaces Part Numbers:070185, 070185E, 070185F
Our verdict“This product is ideal for users who prefer authentic OEM parts for dependable generator operation.”
070185ES Oil Filter for Guardian 10-20KW Generator, 760cc/990cc Engines, 4 Pack
This 4-pack of upgraded 90mm filters offers 30% more capacity than standard models, making it a smart choice for Guardian 10-20KW generators and various portable series. Compared to the smaller 75mm filters, these provide longer intervals between changes, but their compatibility is limited to listed generator series, and they lack extensive user feedback or warranty details beyond 30 days. This makes them well-suited for budget-conscious buyers who want extended protection but less for those needing detailed performance data or warranty assurance.
Pros: Increased capacity for longer engine protection; Compatible with a broad range of Guardian and portable generators; Cost-effective pack of four filters
Cons: Only compatible with specific generator models; No detailed user reviews or performance data; Short warranty period at only 30 days
Verdict: Best suited for budget-focused owners who want longer-lasting filters without extensive brand warranties.
Pros:- Provides 30% more capacity than standard filters
- Compatible with multiple Guardian and portable generator series
- Cost-effective pack of four for bulk replacement
Cons:- Limited to specific generator models
- Warranty period only 30 days
Best for: Budget-conscious generator owners seeking longer maintenance intervals
Not ideal for: Buyers who want detailed warranty coverage or extensive user feedback, as these lack long-term support info
- Compatibility:Guardian 10-20KW, portable series
- Replaces OEM Part Nos.:070185E, 070185ES, 070185B, 070185D, 070185F, 070185
- Filter Size:90mm
- Capacity Increase:30% more than standard 75mm models
- Pack Quantity:4
Our verdict“This option is ideal for users prioritizing capacity and value in a cost-effective bulk pack.”
070185ES Oil Filter Compatible with Generac Generators (12 Pack)
The podafu 12-pack of filters provides a broad compatibility with Generac models including Guardian, Centurion, and Watchdog series. This bulk offering makes it ideal for maintenance in multiple generators or fleet management. Compared to smaller packs, this offers excellent value, but the lack of detailed material specifications or user reviews limits confidence in long-term performance. It’s best for owners with multiple generators who want a cost-effective, easy-to-replace solution but less suited for those seeking detailed performance or warranty info.
Pros: Large pack offers significant savings; Compatible with many Generac models; Easy to install and replace
Cons: Compatibility limited to Generac models; Limited info on filter material or performance; Customer feedback is limited
Verdict: Excellent choice for fleet owners or multi-generator users who prioritize bulk savings over detailed specs.
Pros:- Bulk pack offers substantial cost savings
- Compatible with a wide range of Generac models
- Easy to install for routine maintenance
Cons:- Limited to Generac generators only
- No detailed info on filter materials or filtration efficiency
Best for: Owners managing multiple Generac generators needing bulk replacements
Not ideal for: Individuals with a single generator or seeking detailed performance data, as these lack specific material info
- Brand:podafu
- Unit Count:12
- Compatible Generators:Guardian, Centurion, Watchdog, Eaton, Honeywell, Siemens
- Replaces OEM Numbers:070185, 070185E, 070185F
- Warranty:1 year
Our verdict“This product suits bulk buyers and fleet managers prioritizing affordability and convenience.”
070185ES Oil Filter for Generac Guardian 8-24kW Air-Cooled Generators, 2 Pack
This 2-pack of high-capacity filters is designed for Generac Guardian and other air-cooled models up to 24kW. Its durable orange casing and 30% increased capacity over standard filters translate into fewer replacements and cleaner oil, supporting better engine health. Compared with smaller or generic filters, this set emphasizes durability and longer intervals, but the requirement of gloves during installation and limited detailed material info could be drawbacks for some users. It’s best for those who want reliable, long-lasting filters with a high-quality build, yet less ideal for buyers seeking detailed technical specs upfront.
Pros: Increased capacity allows for longer maintenance cycles; Compatible with a wide range of Guardian and similar generators; Durable construction with high-quality materials
Cons: Installation requires gloves for safety; Limited technical details on filtration media; May be overkill for small or infrequent use
Verdict: This product fits owners who prioritize durability and capacity in a premium filter solution.
Pros:- 30% more capacity than standard filters for fewer replacements
- Compatible with a broad range of Guardian and air-cooled generators
- High-quality durable construction
Cons:- Requires gloves during installation for safety
- Limited detailed info on filtration media
Best for: Owners of larger or multiple Guardian air-cooled generators seeking long-lasting filters
Not ideal for: Occasional users or those with small generators who don’t need high-capacity filters or prefer easy, glove-free installation
Our verdict“Ideal for owners who want a durable, high-capacity filter with a focus on long-term performance and build quality.”
How We Picked
These products were selected based on their compatibility with common well pump generator models, filtration efficiency, build quality, and user reviews. We prioritized filters that are specifically designed for Generac or similar generators, as these are most relevant for well pump applications. Price and value were also considered, especially for bulk options that provide a better deal for frequent users. Ultimately, the ranking reflects a balance between performance, durability, ease of installation, and overall value for different types of buyers.Factors to Consider When Choosing Generator Oil Filter For Well Pumps
When choosing a generator oil filter for well pumps, it’s important to consider several factors beyond just brand or price. The right filter can extend your generator’s lifespan, reduce maintenance costs, and improve overall performance. Here are key considerations to help you make an informed decision:Compatibility and Fit
Ensuring the filter fits your specific generator model is crucial. Mismatched filters can cause oil leaks or inadequate filtration, risking engine damage. Always double-check the part number and compatibility with your generator’s make and model before purchasing.
Filtration Efficiency
Look for filters with high-quality media that can trap finer particles. Better filtration improves engine cleanliness and longevity. Consider filters with a high micron rating and good flow rates, especially for continuous or heavy-duty use.
Capacity and Durability
Filters with higher capacity last longer between changes, reducing downtime. Durability materials matter for outdoor or harsh environments where exposure to elements can accelerate wear. Bulk packs may be more economical if you have multiple generators or need frequent replacements.
Ease of Installation
Simplicity in installation can save time and prevent mistakes. Some filters come with adapters or detailed instructions, which are valuable for DIYers or less experienced users. Consider models with features that facilitate quick and secure installation.
Cost and Value
While premium filters offer better performance, they come at higher prices. Bulk packs or generic brands can provide savings but might compromise on quality. Balance your budget with the level of filtration and durability you need for your well pump setup.
Frequently Asked Questions
How often should I replace the generator oil filter for my well pump?
Most generator oil filters should be replaced every 100 to 200 hours of operation, or at least once a year, whichever comes first. Regular replacement ensures the filter maintains its ability to trap contaminants effectively. Always check your generator’s manual for specific recommendations, as usage conditions can accelerate wear.
Can I use a universal oil filter for my well pump generator?
Universal filters are available, but they may not provide the precise fit or filtration quality needed for your specific generator model. Using an incompatible filter can lead to oil leaks, reduced filtration, or engine damage. It’s generally safer to choose a filter designed for your generator’s make and model.
Is it better to buy in bulk or individual filters for my generator?
Buying in bulk often offers better value, especially if you own multiple generators or plan to replace filters frequently. However, bulk packs can be less convenient if you only need a few filters or have limited storage space. Consider your usage rate and storage capacity when deciding.
What should I do if my oil filter is difficult to install?
If the filter resists installation, check for proper threading and compatibility. Using a light coating of oil on the gasket can help it seat more easily and prevent leaks. Avoid over-tightening, which can damage the filter or the threads. If problems persist, consult your generator’s manual or seek professional assistance.
Are high-capacity filters always better for well pumps?
High-capacity filters typically last longer between changes and can handle more contaminants, making them suitable for heavy use or dirty environments. However, they may be bulkier or more expensive. For light or infrequent use, a standard filter might suffice and save costs without sacrificing performance.
Conclusion
For most users, the 070185ES Oil Filter for Generac 8kW-24kW Generators strikes the best balance of performance, durability, and value, making it the ideal overall choice. Buyers seeking the best deal or managing multiple units should consider the 12 Pack Generac-Compatible Filters for greater savings. Those prioritizing premium quality and filtration efficiency might lean toward the Generac Orange Can High Capacity Filter. If you’re new to generator maintenance, opt for filters with straightforward installation and clear instructions. Ultimately, your choice depends on your generator model, usage frequency, and budget, but these selections cover the most common needs effectively.
