Best Cummins Oil Filter: Practical Features for Easier Everyday Use

A strong Cummins oil filter delivers compatible fitment, dependable contaminant capture, and a practical service design for Ram diesel owners or Onan generator users. This roundup covers ten options, but they do not share the same application: Fleetguard LF16035 targets Dodge Ram Cummins engines, while LF9009 uses a much larger thread specification. Several 5083285AA replacements are aimed at Ram 5.9L and 6.7L applications, whereas Cummins 122-0833 and 122-0645 filters are listed for Onan equipment.

Material also varies from paper and steel to synthetic fibers and resin. Match the filter number, vehicle or equipment application, and thread size before prioritizing features such as synthetic-blend media or wrench-off removal.

The best choice depends on the equipment and filter specification. Fleetguard LF16035 is a direct Cummins Filtration option for Dodge Ram Cummins diesel engines and lists a 1-16 UN-2B thread. Ram owners can also compare Mopar 5083285AA options and compatible synthetic-fiber replacements, but should verify the exact application and thread details.

For Onan equipment, use the Cummins 122-0833 or 122-0645 family only when its listed model or fitment matches. K&N HP-4003 adds synthetic-blend media and wrench-off removal, though its M16 x 1.5 thread requires careful compatibility checking.

Cummins Oil Filters: A Comparative Overview

Image	Product	Buy
Best Pick 1	Mopar Engine Oil Filter – 5083285AA Best for: Genuine Mopar Fitment Brand: Mopar | Compatible with Vehicle Type: Car	View on Amazon
Best Pick 2	Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel Best for: Dodge Ram Cummins Diesel Brand: Fleetguard | Compatible with Vehicle Type: Truck	View on Amazon
Best Pick 3	Doc's Diesel Oil Filter D5335 | Compatible with 1989-2024 RAM 6.7L Cummins 2500, 3500, 4500, 5500, RAM 5.9L Cummins 2500, 3500, 4500, 5500 1989-2007.5 | Replaces 05083285AA Best for: Broad Dodge Ram Coverage Brand: Doc's Diesel | Compatible with Vehicle Type: Ram 6.7L Cummins	View on Amazon
Best Pick 4	Genuine Chrysler Part 5083285AA Oil Filter Best for: Direct Chrysler Replacement Brand: Mopar | Compatible with Vehicle Type: Chassis 60" CA Regular Cab 4×2, 4×4, 84" Crew 4×4 Mega Quad 4×2 Long Wheelbase, Short	View on Amazon
Best Pick 5	CUMMINS NW Cummins 1220833 Onan Quiet Diesel Oil Filter Best for: Onan Quiet Diesel Brand: Cummins | Compatible with Vehicle Type: Onan Generator	View on Amazon

How We Compared These Products

We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from Mopar, Fleetguard, Doc’s Diesel, Cummins, K&N, MK-Morzon, and KOROP.

The shortlist includes products such as Mopar Engine Oil Filter, Fleetguard Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines, and Doc’s Diesel Oil Filter D5335. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.

Detailed Reviews: Best Cummins Oil Filter

1. Mopar Engine Oil Filter – 5083285AA

Best for: Dodge Ram 2500/3500 Owner.

This Mopar engine oil filter delivers reliable filtration by removing dirt, metal particles, and debris. It supports clean oil circulation, extends engine life, and maintains smooth operation for your truck.

Engineered to OEM design specifications for Dodge Ram 2500 & 3500 trucks (2001–2024), this motor oil filter integrates seamlessly with your vehicle's lubrication system. The paper material ensures effective contaminant capture, protecting your engine from damage and maintaining optimal performance through consistent oil circulation.

Product Details

Pros

• Reliable filtration of dirt and debris
• Supports clean oil circulation
• Extends engine life
• Maintains smooth operation

Cons

• Material type is paper

Ideal for Dodge Ram 2500 and 3500 owners seeking OEM-specified filtration. Ensure compatibility with your specific model year for optimal engine protection.

2. Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel

Best for: Cummins Diesel Truck Owner.

The Fleetguard LF16035 oil filter is designed for Dodge Ram trucks with Cummins Diesel Engines. It features specific dimensions for a proper fit and reliable filtration.

With an OD of 93.47 mm and an overall height of 176.28 mm, this filter is engineered for a precise fit in compatible diesel engines. The resin material ensures effective trapping of contaminants, contributing to cleaner oil circulation and protecting the engine's internal components from wear.

Product Details

Pros

• Designed for Cummins Diesel Engines
• Specific dimensions for fit
• Reliable filtration
• Contributes to cleaner oil

Cons

• Contains chemicals known to the State of California to cause cancer

A solid choice for Dodge Ram Cummins diesel owners needing a robust filter. Verify thread size (1-16 UN-2B) matches your engine's requirements.

3. Doc’s Diesel Oil Filter D5335 | Compatible with 1989-2024 RAM 6.7L Cummins 2500, 3500, 4500, 5500, RAM 5.9L Cummins 2500, 3500, 4500, 5500 1989-2007.5 | Replaces 05083285AA

Best for: RAM 6.7L Cummins Owner.

Doc's Diesel Oil Filter D5335 offers compatibility with a wide range of RAM 6.7L and 5.9L Cummins engines from 1989 to 2024. It replaces OEM part number 05083285AA.

Constructed with synthetic fibers, this filter effectively captures contaminants to maintain clean oil circulation within your RAM truck's Cummins engine. Its 1.2-pound weight and specific thread size (1/2-13 NC) ensure a secure and proper installation, supporting engine longevity and performance.

Product Details

Pros

• Compatible with 1989-2024 RAM Cummins
• Replaces OEM part 05083285AA
• Made with synthetic fibers
• Supports engine longevity

Cons

• Thread size is 1/2-13 NC

Recommended for RAM 6.7L and 5.9L Cummins owners looking for a direct replacement. Confirm thread compatibility before purchase.

4. Genuine Chrysler Part 5083285AA Oil Filter

Best for: Chrysler Vehicle Owner.

This Genuine Chrysler Part 5083285AA oil filter is engineered to OEM specifications for durability and a seamless fit. It effectively filters contaminants for clean oil circulation.

Made from metal, this oil filter is designed to protect your engine from damage by filtering out harmful contaminants. Its direct replacement design ensures easy installation, and it meets OEM specifications for chassis and regular cab configurations, maintaining optimal engine performance.

Product Details

Pros

• Filters out contaminants
• Protects engine from damage
• Direct replacement for seamless fit
• Engineered to OEM specifications

Cons

• Material type is metal

A genuine Mopar part for Chrysler vehicle owners needing reliable OEM filtration. Ensure your specific chassis and cab configuration is listed for compatibility.

5. CUMMINS NW Cummins 1220833 Onan Quiet Diesel Oil Filter

Best for: Onan Generator Owner.

The Cummins 1220833 Onan Quiet Diesel Oil Filter is designed for Onan generators. Its paper and steel construction ensures effective filtration for these specific applications.

This oil filter, made from paper and steel, is compatible with Onan generators, ensuring proper fit and function. Its dimensions and weight are suitable for the intended application, contributing to clean oil circulation and the reliable operation of your generator's diesel engine.

Product Details

Pros

• Designed for Onan generators
• Paper and steel construction
• Ensures effective filtration
• Supports clean oil circulation

Cons

• Compatible with Vehicle Type: Onan Generator

Specifically for owners of Onan Quiet Diesel generators. This filter is built to meet the filtration needs of these specialized units.

6. K&N Oil Filter: 20,000 Mile Engine Protection with Wrench Off Nut, HP-4003

Best for: Performance Truck Owner.

The K&N HP-4003 oil filter offers 20,000 miles of engine protection with high flow rates. Its pleated synthetic-blend media removes harmful contaminants effectively.

Designed for exceptional flow rates and consistent oil delivery, this filter works with all oil types. The pleated synthetic-blend filtration media captures contaminants, while the heavy-duty steel canister and one-inch welded hex nut ensure durability and easy removal for maintenance.

Product Details

Pros

• High flow rates
• Works with all oil types
• Removes harmful contaminants
• Easy wrench-off removal

Cons

• Contains chemicals known to the State of California to cause cancer

Ideal for truck owners seeking extended service intervals and high performance. Ensure the M16 x 1.5 thread size is compatible with your vehicle.

7. Cummins Filtration LF9009 Oil/Lube Filter, 1 Pack

Best for: Heavy Duty Diesel Application.

The Fleetguard LF9009 oil/lube filter is from Cummins Filtration, an OEM supplier to major diesel engine producers. It is built for quality and efficiency in demanding applications.

Constructed from steel, this oil/lube filter has dimensions of 4.75 x 4.75 x 12 inches, providing substantial capacity for contaminant capture. As an OEM product, it is designed to meet high standards for efficiency and reliability, supporting the longevity of diesel engines.

Product Details

Pros

• OEM supplier quality
• Built for quality and efficiency
• Substantial capacity
• Supports diesel engine longevity

Cons

• Contains chemicals known to the State of California to cause cancer

A robust filter for heavy-duty diesel applications where OEM quality is paramount. Verify the 2 1/4-12 UNS-2B thread size for proper fitment.

8. 6.7 Cummins Oil Filter 5083285AA for 1989-2024 Dodge Ram 5.9 6.7 Cummins

Best for: RAM 6.7L Cummins Owner.

This MK-Morzon 6.7 Cummins Oil Filter, part number 05083285AA, is made of durable synthetic fibers. It is 100% tested to meet or exceed OEM quality standards.

Constructed from high-quality synthetic fibers, this filter offers stable performance and corrosion resistance for your RAM 6.7L Cummins. It is designed to fit a wide range of Dodge Ram and Ram truck models from 1989-2024, ensuring effective contaminant removal and clean oil circulation.

Product Details

Pros

• Made of durable synthetic fibers
• 100% tested to OEM standards
• Corrosion resistance
• Wide vehicle compatibility

Cons

• Thread size is 1/2-13 NC

Suitable for RAM 6.7L Cummins owners seeking a tested, high-quality filter. Confirm the 1/2-13 NC thread size and specific vehicle fitment before purchasing.

9. KOROP 6.7 Cummins Oil Filter Compatible with 2025-2026 RAM 2500 3500 4500 5500 6.7L Diesel Engine Replaces 68677810AA

Best for: 2025+ RAM 6.7L Cummins Owner.

The KOROP KP076 oil filter is specifically designed for 2025-2026 RAM 2500, 3500, 4500, 5500 6.7L Diesel Engines. It replaces part number 68677810AA.

Manufactured in ISO certified facilities with exquisite craftsmanship, this filter uses synthetic fibers for effective contaminant capture. Its construction ensures durability and reliable performance, supporting clean oil circulation and the optimal functioning of the 6.7L Cummins diesel engine.

Product Details

Pros

• Designed for 2025-2026 RAM 6.7L Cummins
• Manufactured in ISO certified facilities
• Uses synthetic fibers
• Ensures durability and performance

Cons

• Warranty is 6 months

An option for owners of the latest RAM 6.7L Cummins models. Verify this filter's specifications align with your specific engine requirements.

10. Cummins Onan 122-0645 Oil Filter

Best for: Cummins Onan Emerald/Marquis Owner.

The Cummins Onan 122-0645 Oil Filter is designed for Emerald and Marquis models. Its synthetic material or paper construction ensures effective filtration for these specific applications.

This oil filter, made from synthetic material or paper, is designed for a precise fit in Cummins Onan Emerald and Marquis generators. Its compact dimensions and light weight contribute to efficient operation, supporting clean oil circulation and the overall health of the generator's engine.

Product Details

Pros

• Designed for Emerald and Marquis models
• Synthetic material or paper construction
• Ensures effective filtration
• Supports clean oil circulation

Cons

• Contains lead known to cause cancer and birth defects

Tailored for Cummins Onan Emerald and Marquis generator owners. Ensure the 3/4-16 UNC thread size is compatible with your specific generator model.

What Buyers Often Overlook

Sizing and thread compatibility for Cummins applications

Thread size is the first fitment check because these filters use materially different specifications. Fleetguard LF16035 lists a 1-16 UN-2B thread and is described for Dodge Ram with a Cummins diesel engine. Fleetguard LF9009 lists a much larger 2 1/4-12 UNS-2B thread, so its listing should not be treated as interchangeable with LF16035.

Mopar 5083285AA data is inconsistent across the supplied listings: one shows 16 threads per inch, another shows 3/4-16 UNC, while several aftermarket replacements reference the same 5083285AA and LF16035 numbers but list 1/2-13 NC. That makes the vehicle identification, existing filter number, and manufacturer application details especially important.

Do not select solely by the phrase Cummins oil filter; confirm the complete part number and thread specification before installation.

The Key Product Trade-Off

Choosing media and service features without overmatching

Filter media and removal features create practical trade-offs, but they cannot replace correct fitment. Mopar listings specify paper or metal construction, while Doc’s Diesel, MK-Morzon, and KOROP list synthetic fibers; Fleetguard LF16035 lists resin, and Fleetguard LF9009 lists steel. K&N HP-4003 uses pleated synthetic-blend media and includes a welded wrench-off nut, a useful service feature when its M16 x 1.5 thread and application match.

The Cummins 122-0833 and 122-0645 filters are smaller listings intended for Onan equipment, with 3/4-16 UNC shown for the former and the latter. These differences indicate separate equipment categories rather than a universal upgrade path.

Select the correctly specified Ram filter for a truck, or the matching Cummins Onan part for a generator, then weigh material and removal convenience.

Best Cummins Oil Filter: Buyer's Guide

Fit, Dimensions, and Compatibility

Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.

Capacity, Output, and Operating Format

Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.

Materials, Construction, and Care

Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.

Included Components and Setup Needs

Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.

Which Should You Choose?

Choose Fleetguard LF16035 when you want a Cummins Filtration option specifically listed for a Dodge Ram Cummins diesel and its 1-16 UN-2B thread matches. Choose a Mopar 5083285AA listing when an OEM-style Ram replacement is confirmed by the vehicle or existing part number. Doc’s Diesel D5335 and MK-Morzon options suit shoppers comparing synthetic-fiber replacements for listed Ram Cummins applications, but verify their differing thread data carefully.

K&N HP-4003 fits a different specification and is most relevant when its M16 x 1.5 thread and truck application are confirmed, especially if wrench-off removal matters. For Onan equipment, compare Cummins 122-0833 and 122-0645 against the generator model rather than a Ram filter.

Quick Buying Checklist

• Confirm the complete dimensions against the available space.
• Verify model, accessory, connection, and appliance compatibility.
• Match capacity or output to the expected amount of use.
• Compare materials and care instructions with the maintenance routine.
• Check the included components before planning setup or first use.
• Confirm listed power, water, storage, or installation requirements where applicable.

Frequently Asked Questions

What is the primary function of a Cummins oil filter?

The primary function of a Cummins oil filter is to remove contaminants such as dirt, metal shavings, and sludge from the engine oil. This ensures that the oil circulating through the engine remains clean, protecting vital components from wear and tear and promoting optimal engine performance and longevity.

How often should I replace my Cummins oil filter?

Replacement frequency depends on the filter’s specifications and your driving conditions. Generally, it’s recommended to change the oil filter every 10,000 to 20,000 miles, or with every oil change. Always consult your vehicle’s owner’s manual for the manufacturer’s specific recommendations.

Can I use a non-Cummins branded oil filter?

While some aftermarket filters are compatible, using a filter specifically designed or recommended for your Cummins engine is advisable. Ensure any alternative filter meets or exceeds the OEM specifications for micron rating, flow rate, and burst pressure to maintain engine protection.

What does the part number on a Cummins oil filter signify?

The part number is a unique identifier for a specific filter model. It helps ensure compatibility with particular engine types and vehicle models. Cross-referencing this number with your vehicle’s requirements or using a filter compatibility guide is crucial for correct selection.

Are all 6.7L Cummins oil filters interchangeable?

Not all 6.7L Cummins oil filters are interchangeable, despite sharing the same engine displacement. Different model years or specific applications may require filters with varying specifications. Always verify compatibility using the filter’s part number and your vehicle’s make, model, and year.

Final Words

Selecting the right oil filter is crucial for maintaining your Cummins engine’s health. For reliable performance and protection, consider filters specifically designed for your engine model and year. Genuine Mopar or Cummins Filtration options often provide a good balance of quality and compatibility for most diesel applications.