Best Fuel Filters for Diesel of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 17, 2025

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Fuel filters for diesel are essential components in any diesel engine. They are designed to prevent harmful contaminants such as dirt, rust, and water from entering the engine and causing damage. Diesel fuel filters work by trapping these contaminants and preventing them from reaching the engine. This not only prolongs the life of the engine but also improves its performance and fuel efficiency. Fuel filters for diesel come in different types, including spin-on filters, cartridge filters, and inline filters. They are easy to install and replace, making them an affordable and convenient maintenance solution for diesel engines.

At a Glance: Our Top Picks

Mopar OEM Filter Set for Dodge Ram 6.7L Cover #TOP 1
Mopar OEM Filter Set for Dodge Ram 6.7L
ftb score rating icon 9.9
Doc's Diesel Fuel/Water Separator Cover #TOP 2
Doc's Diesel Fuel/Water Separator
ftb score rating icon 9.8
Doc's 2019-23 DODGE RAM 6.7L CUMMINS DIESEL FILTER SET Cover #TOP 3
Doc's 2019-23 DODGE RAM 6.7L CUMMINS DIESEL FILTER SET
ftb score rating icon 9.6

Top 10 Fuel Filters for Diesel

#TOP 1

Mopar OEM Filter Set for Dodge Ram 6.7L

68197867AB, 68157291AA, 05083285AA
Shell
Mopar OEM Filter Set for Dodge Ram 6.7L Cover
Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter

The Mopar Filter Set is specifically designed for your Dodge Ram 6.7L Cummins Diesel. Made in the United States, this OEM part ensures a perfect fit for your vehicle, unlike aftermarket options. You can trust its quality as it contains cellulose filter media, effectively removing contaminants from fuel and water. This means not only better performance but also enhanced engine longevity. Using genuine Mopar parts gives you peace of mind, knowing you are using components that meet the original specifications of your vehicle.

What We Like
Great OEM products
Affordable prices
Perfect fit for replacements
Preferred by DIYers
What We Don't Like
Inaccurate filter for some models
Mixed filter types in kit
#TOP 2

Doc's Diesel Fuel/Water Separator

DF-4625
Doc's Diesel Fuel/Water Separator Cover
DOC'S DIESEL 6.7L Powerstroke for Ford F250/F350 Fuel/Water Separator 2017-2022 | Replaces FD4625 | OEM Grade Fuel/Water Separator

Doc's Diesel Filter is designed to offer top-notch performance for your 2017-2022 Ford F250/F350 with a 6.7L Powerstroke engine. This filter meets or exceeds the original equipment manufacturer's standards, ensuring high-quality filtration for your diesel fuel. Its durable three-layer media effectively captures contaminants, providing peace of mind while driving. Additionally, it easily replaces Motorcraft FD4625 and Wix WF10458 filters, simplifying your maintenance process. By choosing Doc's, you benefit from a reliable and efficient solution that enhances your vehicle's performance.

What We Like
Perfect fit for the truck
High-quality filters
Affordable pricing
Easy installation
No leaks reported
#TOP 3

Doc's 2019-23 DODGE RAM 6.7L CUMMINS DIESEL FILTER SET

DGF430+DGF401
Doc's 2019-23 DODGE RAM 6.7L CUMMINS DIESEL FILTER SET Cover
DOC'S DIESEL DODGE RAM 6.7L CUMMINS DIESEL FILTER SET 2019-2023 | Replaces 68436631AA 68157291AA 68436631AA | OEM Grade Fuel Filter and Fuel/Water Separator

The Doc's 2019-23 DODGE RAM 6.7L CUMMINS DIESEL FILTER SET is an efficient and reliable replacement for OEM 68436631AA 68157291AA fuel filters. The filter set is made with high-efficiency 3 layer media paper that ensures a 99.5% efficiency with a 3 Micron Rating. It meets and exceeds Dodge's warranty requirements, making it a reliable option for your vehicle.

What We Like
Direct fit for vehicles
Cost-effective compared to OEM
Meets or exceeds OEM specs
Easy to install
No impact on performance
What We Don't Like
May not last as long
Need to change sooner
#TOP 4

Doc's Diesel 6.6L Duramax Fuel Filter

DFD429
Doc's Diesel 6.6L Duramax Fuel Filter Cover
DOC'S DIESEL 6.6L Duramax Fuel Filter 2017-2024 | Replaces TP1015 | OE Grade Fuel Filter

The Doc's Diesel Fuel Filter is designed to keep your engine running smoothly by removing harmful contaminants like dirt and debris. This premium filter enhances fuel flow and pressure, which can lead to improved acceleration and better fuel economy for your vehicle. Installation is straightforward and typically takes 30 to 60 minutes, making it convenient for you to maintain your vehicle’s performance. Additionally, changing the filter every 5,000 to 10,000 miles ensures that your fuel system remains in top condition, ultimately prolonging the lifespan of your engine.

What We Like
Perfect fit for 2018 Chevy Silverado
High-quality materials
Easy installation process
Cost-effective compared to dealership
#TOP 5

Harbot Fuel Filter for Kubota Lawn Mower

12581-43010
Harbot Fuel Filter for Kubota Lawn Mower Cover
Harbot (Pack of 4) 5/16 Inline Diesel Fuel Filter for Kubota 12581-43012 12581-43010 Diesel Gasoline Fuel Filter BX22D BX23D BX24D BX25 BX1870 BX1860 BX1850D BX1830D BX1800D Kubota Fuel Filter

The Harbot Fuel Filter is a set of 4 in-line diesel gasoline filters that can replace multiple Kubota part numbers. They are made to fit larger HP engines such as BX22D, BX23D, BX24D, BX25 and many more models. These filters are also compatible with front mowers and utility vehicles like F912, F932, 1420, 322, 2020, 2020A, and 2030 ProGator. The package includes 4 fuel filters so you have replacements on hand. Double-checking your engine's model and part numbers is an important step to ensure that you purchase the correct filter for your needs.

What We Like
Easy installation
Great fit for older models
Good quality construction
Timely delivery
Effective in maintaining motor
What We Don't Like
Non-transparent filters
Potential installation confusion

KOFIL R12T Fuel Filter Marine Water Separator Complete Kit

KFL-R12T
R12T Complete Kit
KOFIL R12T Fuel Filter Marine Water Separator Complete Kit Cover
R12T Fuel Filter, Marine Water Separator Complete Kit, Replaces Racor S3240 120AT R12T, for Outboard Motors, Gasoline and Diesel Marine Engine with 2 3/8" Barb × 1/4" NPT Male Fittings, 10 Micron

The KOFIL R12T Fuel Filter Marine Water Separator Complete Kit is an essential tool for those with diesel engines. Made from original Italy Ahlstrom 3 layers filter paper, this filter is designed to filter out 99% of water, impurities, and contaminants at 4 microns. This high-quality filter protects your vehicle's fuel system from contaminants such as dirt, rust, and paint particles. With a longer lifespan than other filters, it only needs to be replaced after driving for an average of 20,000-40,000 miles. The kit contains everything needed to replace the filter on your vehicle, and it is certified by Germany TUV IATF16949, ISO14001, OHSAS18001 and USA Standard: Passed SAE1839 Standard Society of Automotive Enginess.

What We Like
Easy installation
Good price
Solid construction
Effective fuel/water separation
Visual inspection with glass bowl
What We Don't Like
Inconsistent fitting options
Minor leakage issues reported
#TOP 7

YehVeh Diesel Fuel Filter Kit

UIO004
YehVeh Diesel Fuel Filter Kit Cover
YehVeh 2 Pack Diesel In-Line Fuel Filter Kit Reusing Detachable Washable Stainless Mesh Inline Filters Replacement For 3/16" 5mm Hose Line Webasto Eberspacher Car Parking Air Heater System

The YehVeh Fuel Filter Kit includes two durable, washable stainless mesh filters designed for easy replacement of Webasto Eberspacher systems. Made from sturdy plastic, these filters are specifically designed to fit 5mm ID fuel hoses, ensuring a secure and reliable connection. With a length of 77mm, they are compact yet effective, providing an efficient way to maintain your car parking air heater system. By using these filters, you can enjoy cleaner fuel flow, which enhances the performance and longevity of your heating system.

What We Like
Easy installation
Cleanable and reusable
Solid construction
Affordable price
What We Don't Like
Mesh not as fine as paper filter
#TOP 8

DICMIC 496 Fuel Tank Filter Assembly

DICMIC-Z675
DICMIC 496 Fuel Tank Filter Assembly Cover
DICMIC 496 Fuel Tank Filter Assembly with Wrench Replacement for Gasoline and Diesel Water Separate 30 Micron Max 25 Gpm 150 Psi with 1” NPT Top Cap Replace# B10-AL

Keep your engine running smoothly with the DICMIC 496 Fuel Tank Filter Assembly. Compatible with various fuels, including up to 20% biodiesel, this filter element with a protective sheet can efficiently remove rust, sand, dirt, and water particles with a 30-micron filtration. Its 1" NPT top cap and hyaline bowl with a drain valve provide easy installation and visual monitoring of fuel flow. With a maximum flow rate of 25 gpm and working pressure of 150 psi, this fuel tank filter assembly also includes a matching wrench and tape for easy replacement.

What We Like
Easy installation
Good quality construction
Effective at filtering debris
Brass drain works smoothly
What We Don't Like
Drain valve may leak
Petcock handle issues
#TOP 9

Dodge Ram 6.7L Diesel Fuel Filter Water Separator Set

68157291AA 68197867AA
Dodge Ram 6.7L Diesel Fuel Filter Water Separator Set Cover
Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM

The Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM is a fuel filter that meets the OEM oil filtration specifications, providing dependability and reliability. Its fluted shell simplifies removal from underneath, while the Cellulose Filter Media effectively removes contaminants. This filter is a standard replacement oil filter that ensures clean fuel for your engine.

What We Like
Exact OEM replacement parts
Easy installation
Great price
Helpful seller
Genuine Mopar parts
What We Don't Like
Potential mismatched parts
Installation challenges
#TOP 10

Fuel Filter Water Separator Kit for Dodge Ram 6.7L Cummins

AP-QLQQ01
Fuel Filter Water Separator Kit for Dodge Ram 6.7L Cummins Cover
6.7L Cummins Fuel Filter Water Separator Set | Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Cummins Turbo Diesel Engines | Replaces# 68197867AA, 68157291AA

Keep your engine running smoothly with this fuel filter water separator kit for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Cummins Turbo Diesel Engines. Crafted from high-grade filter medium, this kit captures 98% of water contaminants, ensuring a steady flow of clean, dry diesel fuel for optimal engine performance. Its anticaustic housing, multi-layer filter, and superior sealing components ensure leakage resistance and extreme durability under various operating conditions. With a long lifespan, this kit is a reliable replacement for OE# 68197867AA, 68157291AA, and others.

What We Like
Cost-effective alternative
Easy installation
High compatibility with various models
Maintains engine performance
Good quality comparable to OEM
What We Don't Like
Not suitable for 2023 models
Minor shape compatibility concerns
Buying Guide Image

Factors to Consider when Choosing Fuel Filters for Diesel

Filtration Efficiency

Look for fuel filters that have a high filtration efficiency to ensure that they effectively remove contaminants from diesel fuel. Filters with a micron rating of 2 or lower are considered highly efficient in trapping even the smallest particles that can cause damage to the fuel system.

Water Separation

Diesel fuel can often contain water, which can cause corrosion and damage to the engine. Opt for fuel filters that have effective water separation capabilities. Look for filters with features like water drain valves or water sensors that can help remove water from the fuel and prevent it from entering the engine.

Compatibility

Ensure that the fuel filter you choose is compatible with your diesel engine. Different engines may have specific requirements for fuel flow rate, size, or filter type. Refer to your engine's manufacturer guidelines or consult with a professional to select a filter that meets the necessary specifications.

Durability

Consider the durability and longevity of the fuel filter. Look for filters made from high-quality materials that can withstand the harsh conditions and contaminants commonly found in diesel fuel. A durable filter will provide long-lasting performance and protection for your engine.

Maintenance

Check if the fuel filter requires regular maintenance or replacement. Some filters may need frequent changes, while others offer longer service intervals. Consider your preferences and the convenience factor when selecting a fuel filter that suits your needs.

Frequently Asked Questions (FAQs)

1. How often do diesels need fuel filters?

Diesels typically require a fuel filter change every 10,000 to 15,000 miles. In comparison, modern gasoline fuel filters can last over 100,000 miles before needing a change. Most diesel truck applications will have two fuel filters that need to be serviced.

2. What are the symptoms of a dirty diesel fuel filter?

A dirty diesel fuel filter can cause various symptoms, although they may not be specific. These can include engine stuttering, jerking or stalling during acceleration, and even complete engine shutdown. These issues are often more noticeable at high engine speeds and, in severe cases, can prevent the vehicle from starting.

3. What are the two types of diesel fuel filters?

There are two types of diesel fuel filters commonly found in most diesel engines. The primary filter is located between the fuel tank and the engine, cleaning the fuel before it reaches the fuel transfer pump. The secondary filter, located near the engine, provides a final cleaning of the fuel before it reaches the fuel injectors.

4. What happens if you don't change a diesel fuel filter?

Failing to change a diesel fuel filter on time can result in clogging. When the differential pressure on the filter becomes too high, the filter media can bend or break, allowing unfiltered particles to enter the engine or cabin. This can lead to engine performance issues and potential damage.

5. Does a K&N filter make a difference on a diesel?

Using a K&N diesel air filter or diesel air intake system can improve diesel performance by increasing horsepower and torque output. These filters reduce restrictions in the air intake system, allowing for improved airflow and enhanced engine performance.

6. How do I know which fuel filter to buy?

When purchasing a fuel filter, consider the following factors: the location of the filter on the vehicle, the presence of a sensor or electrical connector for a sensor, and the number of connectors the sensor has. Additionally, the vehicle's manufacturing date (not the registration date) is important to ensure compatibility with the specific model.

Editor's Notes

During our fuel filter for diesel research, we found 24 fuel filter for diesel products and shortlisted 10 quality products. We collected and analyzed 39,093 customer reviews through our big data system to write the fuel filters for diesel list. We found that most customers choose fuel filters for diesel with an average price of $31.20.

The fuel filters for diesel are available for purchase. We have researched hundreds of brands and picked the top brands of fuel filters for diesel, including Mopar, Doc's Diesel, Harbot, KOFIL, YehVeh. The seller of top 1 product has received honest feedback from 991 consumers with an average rating of 4.8.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.

Fuel Filters for Diesel Comparison Table

#TOP1
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#TOP10
Brand Mopar Doc's Diesel Doc's Diesel Doc's Diesel Harbot KOFIL YehVeh DICMIC Mopar ATRACYPART
Product Grade New Replacement Part Replacement Part Replacement Part - Replacement Part Replacement Part Replacement Part Replacement Part Performance,Replacement
Vehicle Service Type Truck Truck Truck Truck Lawn Mower Tractor Passenger Car - Light Truck Passenger Car
Style Canister Modern Modern Modern In-Line - - Compatible Modern Modern
Item Weight - - - 0.38 Kilograms - 0.75 Kilograms 0.03 Kilograms 0.78 Kilograms - 2.05 Pounds
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.6
ftb score rating icon 9.6
ftb score rating icon 9.4
ftb score rating icon 9.2
ftb score rating icon 9.0
ftb score rating icon 9.0
ftb score rating icon 9.0
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