Choosing the best fuel filter for your Cummins 6.7 engine protects your truck’s performance and longevity. A quality filter keeps fuel clean and prevents costly damage.
The Cummins 6. 7 diesel engine needs a reliable fuel filter to block dirt, water, and debris. Clean fuel helps the engine run smoothly and improves fuel efficiency. Using the right fuel filter also prevents clogging and wear on fuel injectors.
This guide covers top options compatible with Dodge Ram 2500, 3500, 4500, and 5500 models from 2010 to 2024. Each filter set includes fuel and water separators designed to fit your Cummins engine perfectly. Proper maintenance with the correct filter ensures your diesel engine stays strong and dependable on the road.
Mopar Genuine Oem Filters Bundle

The Mopar Genuine OEM Filters Bundle is ideal for owners of the 2013-2019 Dodge Ram 2500 and 3500 equipped with the 6.7L Cummins Diesel engine. If you’re looking to maintain peak engine performance and extend the lifespan of your heavy-duty truck, this comprehensive filter set is designed specifically for you. It suits drivers who prioritize genuine OEM parts to ensure compatibility and reliability in demanding diesel applications.
Pros:
- Includes a complete set: Fuel/Water Separator Filter Kit, Fuel Filter, and Engine Oil Filter
- Manufactured by Mopar, ensuring high-quality and OEM standards
- Optimized fit for Dodge Ram 2500 and 3500 with the 6.7L Cummins engine
- Helps maintain engine cleanliness and protects against contaminants
- Durable construction with precise dimensions for easy installation
Cons:
- Only compatible with specific model years and engine type
- Higher initial investment compared to aftermarket alternatives
- Requires routine replacement to maintain optimal performance
The Mopar Genuine OEM Filters Bundle is engineered to provide superior filtration for your truck’s fuel and oil systems. The fuel/water separator filter kit efficiently removes water and contaminants from diesel fuel, preventing damage to the engine’s fuel injectors. Meanwhile, the fuel filter and engine oil filter work together to capture dirt, debris, and impurities, ensuring that only clean fuel and oil circulate through the engine. This results in improved combustion efficiency and reduced wear on engine components.
With precise dimensions (Height: 5.43 Inches, Width: 11.22 Inches, Length: 15.55 Inches) and weighing just under 4 pounds, this filter bundle is designed for hassle-free installation and reliable performance. Using authentic Mopar parts guarantees compatibility and maintains your vehicle’s warranty. Ultimately, investing in this OEM filter set helps maintain the power, efficiency, and longevity of your Dodge Ram 6.7L Cummins Diesel, making it an essential upgrade for diesel truck owners who demand the best.
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6.7 Cummins Fuel Filter Water Separator Set

The 6.7 Cummins Fuel Filter Water Separator Set is an essential purchase for Dodge Ram owners with models from 2019 to 2024 who desire optimal performance from their 6.7L Diesel Turbo Engines. This set is ideal for those looking to maintain their vehicle’s longevity and efficiency, ensuring that their engine remains clean and free from contaminants. Whether you’re a daily commuter or use your truck for heavy-duty tasks, ensuring that your fuel system is protected is crucial for maintaining performance and reliability.
Pros:
- High Compatibility: Perfect fit for multiple Dodge Ram models from 2019 to 2024.
- Effective Filtration: Ensures fuel cleanliness, enhancing engine performance.
- Durable Construction: Made by KOROP AUTO PARTS, ensuring long-lasting use.
Cons:
- Installation Complexity: May require professional installation for some users.
- Initial Cost: Higher initial investment compared to generic filters.
The 6.7 Cummins Fuel Filter Water Separator Set is designed to provide superior filtration for the Dodge Ram’s diesel engine. By effectively separating water and contaminants from the fuel, it ensures that only clean fuel reaches the engine, which is crucial for maintaining high performance and preventing potential damage. The filter’s design is specifically tailored for the 6.7L Diesel Turbo Engines, making it a reliable choice for those who need a dependable solution to protect their vehicles.
One of the key benefits of using this KOROP branded filter set is its durability and precision engineering. The filters are manufactured to meet and exceed OEM standards, which means users can trust in their quality and effectiveness. Regular replacement of the fuel filter using this set can result in smoother engine operation and improved fuel efficiency, which are significant advantages for anyone relying on their truck for work or travel. Overall, investing in this fuel filter set can lead to fewer maintenance issues and a longer lifespan for your vehicle’s engine.
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6.7l Cummins Fuel Filter Water Separator Set

The 6.7L Cummins Fuel Filter Water Separator Set is ideal for owners of 2013-2018 Dodge Ram 2500, 3500, 4500, and 5500 models equipped with 6.7L Cummins Turbo Diesel Engines. If you are looking to maintain optimal engine performance and protect your diesel engine from water contamination and debris, this replacement set is designed specifically for you. It is perfect for those who want a reliable and efficient filtration system to ensure long-lasting engine health.
Pros:
- Direct replacement for OEM parts #68197867AA and #68157291AA ensuring perfect fit and compatibility.
- Effectively separates water from fuel, protecting the engine from potential damage.
- Compact dimensions (6.1 x 4.7 x 4.7 inches) and lightweight design (2.05 pounds) for easy installation and handling.
- Manufactured by ATRACYPART, known for quality and durability in automotive parts.
Cons:
- Specifically designed for certain Dodge Ram models, limiting its use to compatible vehicles only.
- Replacement filters need periodic changing to maintain efficiency, which adds to maintenance costs.
This fuel filter water separator set is engineered to provide superior filtration by removing water and contaminants from diesel fuel before it reaches the engine. This helps prevent rust, corrosion, and damage to fuel injectors, ensuring smoother engine operation and better fuel efficiency. Its compact size and precise manufacturing by ATRACYPART guarantee a hassle-free installation process without modifications.
Additionally, using this replacement set helps extend the lifespan of your 6.7L Cummins Turbo Diesel Engine by maintaining cleaner fuel flow. This reduces the risk of breakdowns and costly repairs, making it a valuable investment for truck owners who prioritize reliability and performance. Overall, it is a critical component for maintaining the health and efficiency of your diesel engine in demanding driving conditions.
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Doc’s Diesel Fuel/water Separator Dgf430+dgf401

The Doc’s Diesel Fuel/Water Separator DGF430+DGF401 is ideal for owners of RAM 6.7L Cummins 2500, 3500, 4500, and 5500 trucks from 2019 to 2024 who want a reliable and high-quality replacement part to maintain optimal engine performance. If you are looking to replace the fuel/water separator with a component that meets or exceeds OEM standards, this product is designed to fit your needs perfectly.
Pros:
- Compatible with multiple RAM 6.7L Cummins models from 2019-2024
- Replaces OEM part numbers 68157291AA and 68436631AA
- Manufactured by trusted brand Doc’s Diesel and Doc’s Auto Parts
- Helps prevent water contamination in diesel fuel, protecting engine components
- Easy to install with direct OEM fitment
Cons:
- Limited compatibility outside specified RAM 6.7L Cummins models
- Replacement parts can be costly compared to generic alternatives
The Doc’s Diesel Fuel/Water Separator DGF430+DGF401 features precise engineering to ensure seamless compatibility with your RAM 6.7L Cummins diesel engine. This separator efficiently removes water and contaminants from diesel fuel before it reaches the engine, which is crucial for maintaining fuel system integrity and preventing costly damage. By replacing worn or faulty separators with this high-quality component, users can expect improved engine longevity and performance.
Additionally, this fuel/water separator is designed to meet or exceed the specifications of the original equipment manufacturer, providing peace of mind that your truck is protected with trusted parts. The installation process is straightforward due to its direct fit design, reducing downtime and maintenance complexity. Overall, this product delivers significant benefits to diesel truck owners focused on reliability and engine health.
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Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set

The Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM is ideal for truck owners and mechanics who demand reliable and efficient fuel filtration for their diesel engines. If you own a Dodge Ram with a 6.7-liter diesel engine and want to maintain optimal engine performance while preventing fuel contamination, this set is designed specifically for you. It is perfect for those looking to ensure longevity and smooth operation of their vehicle’s fuel system.
Pros:
- Authentic Mopar OEM quality ensures perfect fit and durability.
- Efficiently separates water from diesel fuel, protecting the engine.
- Compact dimensions (7.0 x 6.0 x 7.0 inches) allow easy installation.
- Helps maintain engine performance and fuel efficiency.
- Reduces risk of fuel system damage due to contaminants.
Cons:
- May require professional installation for some users.
- Replacement parts can be costly if not purchased as a set.
The Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set from Mopar is engineered to meet the exact specifications of your Dodge Ram diesel engine. Its primary function is to filter out water and impurities from diesel fuel, which is crucial in preventing corrosion and damage to the fuel injectors and engine components. By maintaining clean fuel flow, this set helps ensure that your engine runs smoothly and efficiently, reducing downtime and costly repairs.
Additionally, the Mopar OEM designation guarantees that this fuel filter water separator set is manufactured to the highest quality standards, providing reliability and peace of mind. Its compact size makes it easier for users to install or replace without taking up excessive space under the hood. Overall, this set is a vital component for anyone serious about maintaining the performance and longevity of their Dodge Ram 6.7-liter diesel engine.
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Doc’s Diesel Fuel/water Separator Dgf401

The Doc’s Diesel Fuel/Water Separator DGF401 is ideal for truck owners and diesel vehicle enthusiasts who drive RAM 6.7L Cummins models from 2010 to 2024, including 2500, 3500, 4500, and 5500 series. If you’re looking to maintain optimal engine performance and protect your fuel system from contaminants, this high-quality replacement part is designed specifically for you.
Pros:
- Compatible with multiple RAM 6.7L Cummins models (2010-2024)
- Effectively separates water from diesel fuel to prevent engine damage
- Direct replacement for OEM part number 68157291AA, ensuring perfect fit
- Manufactured by trusted brand Doc’s Diesel and Doc’s Auto Parts
- Helps improve fuel efficiency and engine longevity
Cons:
- Specific to RAM 6.7L Cummins engines, limiting compatibility with other vehicles
- Requires some mechanical knowledge for installation
The Doc’s Diesel Fuel/Water Separator DGF401 plays a crucial role in maintaining the health of your diesel engine by efficiently removing water and contaminants from the fuel. This prevents rust, corrosion, and damage to the fuel injectors, which can lead to costly repairs. Its design ensures an exact fit for RAM 6.7L Cummins trucks, making installation straightforward and hassle-free.
By investing in this fuel/water separator, users benefit from enhanced engine reliability and smoother operation even under demanding conditions. The quality manufacturing by Doc’s Diesel guarantees durability and consistent performance, ensuring your diesel engine runs cleaner and more efficiently over time.
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Buyer$ Lair Kit For Dodge Ram 6.7l Diesel Cummins Fuel Filter & Fuel/water Separator Set

The Buyer$ Lair Kit for Dodge Ram 6.7L Diesel Cummins Fuel Filter & Fuel/Water Separator Set is ideal for owners of 2013-2018 Dodge Ram models 2500, 3500, 4500, and 5500 who demand reliable and efficient fuel filtration. This kit is perfect for those looking to maintain optimal engine performance and extend the life of their diesel engine by ensuring clean fuel delivery.
Pros:
- Includes high-quality Wix WF10112 & WF10255NP filters specifically designed for Dodge Ram 6.7L Diesel Cummins engines
- Effectively separates fuel and water, protecting the engine from contaminants
- Lightweight design at just 2.63 pounds for easy installation and handling
- Manufactured by Buyer$ Lair, ensuring compatibility and reliability
- Helps improve fuel efficiency and engine longevity
Cons:
- Limited to specific Dodge Ram models and years (2013-2018)
- Requires periodic replacement and maintenance to maintain performance
This fuel filter and water separator set features precision-engineered Wix filters that effectively remove impurities and water from diesel fuel, which is crucial for the 6.7L Cummins engine. Clean fuel prevents injector clogging, reduces engine wear, and promotes smoother operation. The kit’s lightweight design simplifies the installation process, making it accessible for both professional mechanics and DIY enthusiasts.
By investing in the Buyer$ Lair Kit, users benefit from improved engine reliability and enhanced fuel efficiency, translating into cost savings over time. The fuel/water separator function is especially important for diesel engines, as water contamination can cause significant damage. This kit ensures that your Dodge Ram’s engine receives the cleanest fuel possible, supporting optimal performance throughout its lifecycle.
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Doc’s Diesel Fuel/water Separator Dgf410+dgf401

The Doc’s Diesel Fuel/Water Separator DGF410+DGF401 is ideal for truck owners and diesel engine enthusiasts who drive RAM 6.7L Cummins models, specifically the 2500, 3500, 4500, and 5500 series from 2013 to 2018. If you are looking for a reliable replacement part to maintain optimal engine performance and protect your fuel system from water contamination, this product is designed for you. It is especially beneficial for those seeking a high-quality, compatible alternative to factory parts like 68157291AA and 68197867AA.
Pros:
- High compatibility with RAM 6.7L Cummins 2013-2018 models
- Efficient fuel and water separation to protect engine components
- Easy to install as a direct replacement for OEM parts
- Manufactured by the reputable brand Doc’s Diesel
- Durable design ensures long-lasting performance
Cons:
- Limited to specific RAM Cummins engine models and years
- May require periodic maintenance to sustain efficiency
The Doc’s Diesel Fuel/Water Separator DGF410+DGF401 offers an advanced solution to fuel contamination problems by effectively separating water from diesel fuel before it reaches the engine. This feature helps to prevent corrosion and damage to fuel injectors and other critical components. With its design tailored to fit RAM 6.7L Cummins trucks from 2013 to 2018, installation is straightforward, reducing downtime and ensuring your vehicle runs smoothly without complications.
Additionally, the product’s build quality reflects Doc’s Diesel commitment to durability and performance. It stands as a reliable replacement that matches or exceeds OEM standards, ensuring that your engine receives clean fuel consistently. By maintaining the separation of water and fuel, it contributes to enhanced engine longevity, improved fuel efficiency, and reduced repair costs over time. This makes it an excellent investment for diesel truck owners wanting dependable operation under various driving conditions.
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Rarayc 6.7l Cummins Fuel Filter Water Separator Set

The RARAYC 6.7L Cummins Fuel Filter Water Separator set is ideal for owners of 2019 to 2024 Ram Turbo Diesel Engines who demand reliable performance and protection for their diesel engines. This product is especially suited for those who want to maintain optimal fuel system health and prevent costly engine damage caused by water contamination and fuel impurities.
Pros:
- High compatibility with Ram Turbo Diesel Engines from 2019 to 2024
- Effective water separation to protect the fuel system
- Compact dimensions (4.8″ x 4.8″ x 9.6″) and lightweight design (under 1 pound) for easy installation
- Durable construction by trusted brand RARAYC
- Replaces OEM parts 68157291AA and 68436631AA ensuring perfect fit and function
Cons:
- Limited to specific engine models and years, not universal
- Requires periodic maintenance to sustain performance
The RARAYC 6.7L Cummins Fuel Filter Water Separator set features precise engineering to effectively separate water from diesel fuel, which is crucial in preventing corrosion and damage inside the engine. Its compact size allows for straightforward installation and integration with existing fuel systems without taking up excess space. The product’s high compatibility with multiple model years of Ram Turbo Diesel Engines ensures that users receive an OEM-quality replacement part tailored to their vehicle’s specifications.
By using this fuel filter and water separator, diesel engine owners benefit from improved fuel quality and enhanced engine longevity. The reduction of water and contaminants in the fuel system leads to smoother engine performance, better fuel efficiency, and fewer repairs over time. The lightweight yet durable construction by RARAYC guarantees long-lasting service, making this set a smart investment for maintaining your Ram diesel engine’s reliability and power.
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Frequently Asked Questions
What Is The Best Fuel Filter For Cummins 6.7l Diesel Engines?
The Mopar Genuine OEM Fuel Filter Water Separator Set is highly recommended. It fits 2013-2024 Dodge Ram 2500-5500 models and ensures optimal fuel filtration and water separation for Cummins 6. 7L engines.
How Often Should I Replace The Cummins 6.7 Fuel Filter?
It is best to replace the fuel filter every 15,000 to 20,000 miles. Regular replacement prevents clogging and protects the engine from contaminants and water damage.
Are Mopar Oem Filters Compatible With All Ram 6.7l Models?
Yes, Mopar OEM filters fit Dodge Ram 2500, 3500, 4500, and 5500 models from 2013 through 2024. They are designed specifically for Cummins 6. 7L diesel engines.
Can I Use Doc’s Diesel Fuel/water Separator For My Cummins 6.7?
Yes, Doc’s Diesel Fuel/Water Separator sets like DGF430+DGF401 are compatible with Ram 6. 7L Cummins models from 2013 to 2024. They offer reliable filtration and water separation.
What Parts Do Fuel Filter Kits For Cummins 6.7 Include?
Typical kits include a fuel filter, water separator filter, and sometimes an engine oil filter. These parts ensure clean fuel and protect engine components from contaminants.
How Do I Know If My Fuel Filter Needs Replacement?
Signs include engine misfires, reduced power, or rough idling. If you notice these, check the fuel filter and replace it promptly to avoid engine damage.
Conclusion
Choosing the best fuel filter for your Cummins 6. 7 is key to keeping your engine clean and running well. Quality filters like Mopar OEM, Doc’s Diesel, and Buyer$ Lair help remove dirt and water from your fuel. This protects your engine and improves performance over time.
Many filters fit various Dodge Ram models from 2010 to 2024, so check compatibility before buying. Using the right filter also reduces costly repairs and keeps your truck reliable. Regular filter changes mean your diesel engine breathes easier and lasts longer.
Trust filters designed specifically for Cummins 6. 7 engines to get the best results. Your truck deserves parts that match its power and toughness. Don’t overlook the fuel filter’s role in your vehicle’s health. Clean fuel means smooth rides and fewer problems down the road.
Choose well, change often, and keep your Cummins running strong.