Best Cummins Oil Filter: Practical Features for Easier Everyday Use

A strong Cummins oil filter delivers dependable contaminant capture while matching your engine’s mounting dimensions, thread size, and vehicle application. For Dodge Ram Cummins owners, the Fleetguard LF16035, Mopar 5083285AA, Doc’s Diesel D5335, and the compatible Mopar filter bundles are the most directly relevant options in this selection. Other products serve different equipment: Fleetguard LF9009 and 14000NN filters have distinct thread specifications, while the Cummins Onan 122-0645 and 122-0800 are listed for Emerald and Marquis applications.

K&N’s HP-4003 emphasizes high flow, synthetic-blend media, and wrench-off removal, but its M16 x 1.5 thread requires careful fit verification. Treat the part number and application as more important than brand familiarity when choosing.

For a Dodge Ram Cummins diesel, start with a filter whose listed application and part number match your truck: Fleetguard LF16035, Mopar 5083285AA, or Doc’s Diesel D5335 are the clearest standalone options here. The Mopar bundles add fuel and fuel/water separator filters, but each bundle covers a defined application range. Fleetguard LF9009 and 14000NN use different thread specifications, while Cummins Onan filters are listed for Emerald and Marquis equipment.

K&N HP-4003 adds synthetic-blend media and wrench-off removal, but verify its M16 x 1.5 thread before purchase.

Cummins Oil Filter Comparison

Image	Product	Buy
Best Pick 1	Mopar Engine Oil Filter – 5083285AA Best for: Direct Mopar replacement 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: Fleetguard diesel performance Brand: Fleetguard | Compatible with Vehicle Type: Truck	View on Amazon
Best Pick 3	Cummins Filtration LF9009 Oil/Lube Filter, 1 Pack Best for: Heavy-duty lube filtration Brand: Fleetguard | Compatible with Vehicle Type: Car	View on Amazon
Best Pick 4	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: Specific RAM diesel fitment Brand: Doc's Diesel | Compatible with Vehicle Type: Ram 6.7L Cummins	View on Amazon
Best Pick 5	Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2013-2019 Ram 2500 and 3500 Best for: Complete diesel filter kit Brand: Mopar | Compatible with Vehicle Type: Truck	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, K&N, and Cummins.

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 OEM Filter.

This Mopar oil filter delivers reliable filtration by removing dirt and metal particles to support clean oil circulation and extend engine life. Engineered to OEM specifications, it ensures seamless integration with your Dodge Ram 2500 or 3500 truck's lubrication system.

Engineered to OEM design specifications for Dodge Ram 2500 & 3500 trucks (2001–2024), this motor oil filter integrates seamlessly. Its paper material removes dirt, metal particles, and debris, supporting clean oil circulation and maintaining smooth operation. The 12 Months, 10,000 Miles Limited Warranty provides additional assurance for your maintenance needs.

Product Details

Pros

• OEM design for Dodge Ram 2500/3500
• Removes dirt and metal particles
• Supports clean oil circulation
• Extends engine life

Cons

• Material is paper

Ideal for owners of Dodge Ram 2500 and 3500 trucks from 2001-2024 seeking reliable OEM filtration. Ensure compatibility with your specific model year for optimal performance and engine protection.

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

Best for: Dodge Ram Cummins Diesel.

The Fleetguard LF16035 oil filter is specifically designed for Dodge Ram trucks equipped with Cummins Diesel Engines. It features robust dimensions and a resin material for effective filtration, ensuring your diesel engine receives clean oil for optimal performance.

This Fleetguard LF16035 oil filter boasts a largest OD of 93.47 mm and an overall height of 176.28 mm, with a 1-16 UN-2B thread size. Its resin material construction is engineered for durability and effective contaminant capture, crucial for the demanding environment of Cummins diesel engines in Dodge Ram trucks.

Product Details

Pros

• Designed for Cummins Diesel Engines
• Robust OD and height
• Effective resin filtration
• Durable construction

Cons

• Exposes to styrene

Recommended for Dodge Ram owners with Cummins Diesel engines needing a specialized filter. Verify thread size (1-16 UN-2B) matches your vehicle's requirements for proper fitment and function.

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

Best for: Cummins Filtration OEM.

As an OEM for major diesel engine producers, Fleetguard's LF9009 oil/lube filter offers top quality and efficiency. Built with steel, it is designed to keep your vehicle running smoothly by capturing contaminants and maintaining optimal engine performance.

The Fleetguard LF9009 oil/lube filter, constructed from steel, is designed for high efficiency and durability. Its dimensions of 4.75 x 4.75 x 12 inches and a 2 1/4-12 UNS-2B thread size ensure a proper fit for compatible vehicles. As an OEM product for Cummins, it aims for top quality and best efficiency.

Product Details

Pros

• OEM for diesel engines
• Steel construction
• High efficiency design
• Maintains engine performance

Cons

• Exposes to styrene

Suitable for diesel vehicle owners prioritizing OEM quality and efficiency from Cummins Filtration. Check thread size (2 1/4-12 UNS-2B) and dimensions for compatibility with your specific engine application.

4. 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 Cummins 6.7L/5.9L.

The Doc's Diesel D5335 oil filter is engineered with synthetic fibers for robust filtration, compatible with a wide range of RAM Cummins engines from 1989 to 2024. It offers a direct replacement for Mopar part 05083285AA, ensuring a reliable fit.

This oil filter features synthetic fiber material for effective contaminant capture, supporting the longevity of your engine. With a thread size of 1/2-13 NC, it is designed to be compatible with 1989-2024 RAM 6.7L Cummins and 1989-2007.5 RAM 5.9L Cummins engines. Its 1.2-pound weight indicates a substantial build for demanding use.

Product Details

Pros

• Synthetic fiber filtration
• Wide RAM Cummins compatibility
• Replaces OEM part
• Durable construction

Cons

• Thread size specific

A strong choice for owners of 1989-2024 RAM 6.7L and 1989-2007.5 5.9L Cummins engines seeking a synthetic fiber filter. Confirm the 1/2-13 NC thread size matches your vehicle's oil filter housing.

5. Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2013-2019 Ram 2500 and 3500

Best for: Ram 6.7L Diesel Bundle.

This Mopar Genuine OEM Filters Bundle provides a comprehensive maintenance solution for Ram 2500 and 3500 trucks (2013-2019) with 6.7L Cummins Diesel Engines. It includes essential filters for fuel and engine oil, ensuring optimal performance and protection.

This 3-filter bundle includes the fuel/water separator, fuel filter, and engine oil filter, all designed to fit Ram 2500/3500 models from 2013-2019. The included OEM filters are part numbers ‎53034051AB, 68157291AA, and 68197867AB, offering a complete set for maintaining your truck's critical systems and ensuring long-lasting protection.

Product Details

Pros

• Complete 3-filter set
• OEM quality for Ram trucks
• Includes fuel & oil filters
• Designed for 6.7L Cummins

Cons

• Specific model years only

Ideal for Ram 2500/3500 owners (2013-2019) with 6.7L Cummins engines needing a full filter service. Note that this bundle is not compatible with 2020 and newer model years.

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

Best for: High Flow Truck Filter.

The K&N HP-4003 oil filter offers exceptional flow rates and a consistent oil supply to your engine, compatible with all oil types. Its pleated synthetic-blend media effectively removes contaminants, providing 20,000 miles of engine protection.

Engineered for high flow rates, this K&N oil filter utilizes a pleated synthetic-blend filtration media to capture harmful contaminants, ensuring a consistent flow of oil. The heavy-duty canister and one-inch welded hex nut facilitate easy, wrench-off removal. It is designed to operate with synthetic, conventional, and blended motor oils for versatile use.

Product Details

Pros

• High flow rates
• 20,000 mile protection
• Synthetic-blend media
• Easy wrench-off removal

Cons

• Exposes to styrene

A great option for truck owners seeking extended service intervals and robust filtration. Ensure the M16 x 1.5 thread size is compatible with your vehicle's oil filter housing for optimal performance.

7. Cummins Onan 122-0645 Oil Filter

Best for: Cummins Onan Compact Filter.

The Cummins Onan 122-0645 oil filter is a compact solution designed for specific applications. Made from synthetic material or paper, it ensures reliable filtration for compatible engines, maintaining clean oil circulation.

This Cummins Onan oil filter, model 122-0645, is constructed from synthetic material or paper for effective filtration. Its compact dimensions (3.5 x 3.25 x 3.25 inches) and 3/4-16 UNC thread size make it suitable for specific applications, including Emerald and Marquis models, ensuring proper fit and function for essential engine maintenance.

Product Details

Pros

• Compact size
• Synthetic or paper material
• Reliable filtration
• Designed for specific models

Cons

• Exposes to styrene

Best for owners of Emerald and Marquis engines needing a compact, reliable oil filter. Verify the 3/4-16 UNC thread size and specific model compatibility before purchasing.

8. CUMMINS NW Cummins 1220800 Onan Oil Filter

Best for: Cummins Onan Universal Fit.

The Cummins NW 1220800 Onan oil filter is designed for universal fitment in Emerald and Marquis applications. Constructed from high-grade steel, aluminum, and synthetic material, it provides durable and effective filtration for your engine.

This Cummins Onan oil filter (122-0800) is built with high-grade steel, aluminum, and synthetic material for durability and effective contaminant capture. Its universal fit design for Emerald and Marquis models simplifies installation. The package dimensions are 11.43 L x 7.366 H x 7.874 W centimeters, with a package weight of 0.65 pounds.

Product Details

Pros

• High-grade materials
• Universal fit for specific models
• Durable construction
• Effective filtration

Cons

• Exposes to styrene

Suitable for owners of Emerald and Marquis engines seeking a durable, universally fitting oil filter. Confirm compatibility with your specific engine model for optimal performance and protection.

9. Cummins Filtration Fleetguard 14000Nn Oil Filter

Best for: Fleetguard Extended Interval.

The Fleetguard 14000Nn oil filter, replacing LF9080, is engineered for longer service intervals and fine particle removal. Its synthetic fiber material captures and retains contaminants, extending engine life and maintaining high efficiency throughout its lifespan.

Featuring a synthetic fiber material, this Fleetguard filter excels at capturing and retaining engine-damaging contaminants, thereby extending engine life. Its design allows for high efficiency throughout the filter's lifespan, supporting longer service intervals. The thread size is M95x2.5, and it is compatible with truck vehicle types.

Product Details

Pros

• Longer service intervals
• Fine particle removal
• Extends engine life
• Maintains high efficiency

Cons

• Exposes to diesel exhaust

Recommended for truck owners looking for extended service intervals and superior contaminant capture. Ensure the M95x2.5 thread size is compatible with your truck's oil filter housing.

10. Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2020-2024 Ram 2500 and 3500

Best for: Ram 6.7L Diesel 2020+ Bundle.

This Mopar Genuine OEM Filters Bundle is specifically designed for 2020-2024 Ram 2500 and 3500 trucks with 6.7L Cummins Diesel Engines. It includes three essential OEM filters: fuel/water separator, fuel filter, and engine oil filter, ensuring peak performance and protection.

This 3-filter bundle provides critical OEM components for your 2020-2024 Ram truck. It includes the fuel/water separator (68436631AA), fuel filter (68157291AA), and engine oil filter (05083285AA), all designed for seamless integration. The plastic outer material and canister style ensure durability and effective filtration for your 6.7L Cummins engine.

Product Details

Pros

• OEM filters for 2020-2024 Ram
• Includes fuel & oil filters
• Designed for 6.7L Cummins
• Durable canister style

Cons

• Does not fit older models

Essential for owners of 2020-2024 Ram 2500/3500 trucks with 6.7L Cummins engines needing a complete OEM filter set. Verify your model year is within the specified range for correct fitment.

What Buyers Often Overlook

Fit and thread size matter more than the brand name

The safest choice is the product whose listed vehicle or equipment application and thread specification match your engine. Fleetguard LF16035 is identified for Dodge Ram with a Cummins diesel engine and uses a 1-16 UN-2B thread, with a 93.47 mm outside diameter and 176.28 mm overall height. Mopar 5083285AA is listed for Dodge Ram 2500 and 3500 applications and has 16 threads per inch.

Doc’s Diesel D5335 is listed for Ram 6.7L and 5.9L Cummins vehicles, but its specification shows a 1/2-13 NC thread, so the exact vehicle and mounting compatibility should be confirmed before ordering. K&N HP-4003 uses M16 x 1.5, while Fleetguard LF9009 uses 2 1/4-12 UNS-2B and Fleetguard 14000NN uses M95x2.5.

These differences make visual similarity an unreliable fit check.

The Key Product Trade-Off

Choose construction and maintenance features for the use case

The main trade-off is between application-specific fit and the filter features emphasized in the listing. Fleetguard 14000NN uses synthetic fiber and is described as retaining fine particles while supporting longer service intervals and high efficiency throughout filter life. Fleetguard LF9009 has a steel construction and is presented as an original-equipment-manufacturer product from Cummins Filtration, but its distinct thread size limits where it belongs.

K&N HP-4003 uses pleated synthetic-blend media, is described as compatible with synthetic, conventional, and blended oils, and includes a welded wrench-off nut for easier removal. Mopar’s three-filter bundles are useful when a scheduled service also requires fuel and fuel/water separator filters, but their included components and application ranges differ.

The Cummins Onan 122-0645 and 122-0800 are specifically listed for Emerald and Marquis equipment, not as universal Dodge Ram diesel choices.

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 need a Cummins Filtration option explicitly listed for a Dodge Ram Cummins diesel and its 1-16 UN-2B thread matches. Choose Mopar 5083285AA when an OEM-design Dodge Ram filter is the priority. Doc’s Diesel D5335 suits buyers whose listed Ram 5.9L or 6.7L application and confirmed fit align.

Select a Mopar bundle when you also need the included fuel and fuel/water separator filters, checking the stated vehicle range first. K&N HP-4003 fits a different thread specification and emphasizes synthetic-blend media, high flow, and wrench-off removal.

Fleetguard LF9009 and 14000NN should be treated as separate application-specific choices, while Cummins Onan filters belong with Emerald or Marquis equipment.

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 particles, 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 extending engine life.

How often should I replace my Cummins oil filter?

Replacement frequency depends on your specific engine and driving conditions. Generally, it’s recommended to change the oil filter every time you change your engine oil, typically between 5,000 to 15,000 miles, or as per your vehicle’s maintenance schedule.

Can I use a non-Cummins branded oil filter?

While some aftermarket filters may be compatible, using a filter specifically designed for your Cummins engine, like those from Cummins Filtration or Mopar for Dodge/RAM, is often recommended. These ensure optimal fit and filtration performance for your specific engine model.

What is the difference between an oil filter and a fuel filter?

An oil filter cleans the engine oil, lubricating and cooling internal parts. A fuel filter, conversely, cleans the fuel before it reaches the injectors, preventing impurities from causing damage. Both are crucial for engine health but serve distinct purposes.

Are all Cummins oil filters the same size?

No, Cummins oil filters are not all the same size or thread pattern. Different engine models and applications require specific filters. Always check your vehicle’s owner’s manual or the filter manufacturer’s compatibility guide to ensure you select the correct one.

Final Words

When selecting a Cummins oil filter, prioritize compatibility with your specific engine model and application. For standard maintenance, Mopar or Fleetguard filters offer reliable performance. Consider specialized kits for comprehensive service or extended-life options if your driving demands it, ensuring engine longevity.