10 Best Cummins Fuel Filters 2025 in the United States

The 6.7L Cummins Fuel Filter Water Separator Set is a replacement designed for Dodge Ram models from 2013 to 2018 with 6.7L Cummins Turbo Diesel Engines. Its standout feature is the 98% efficiency in capturing water contaminants, ensuring clean diesel fuel for optimal engine performance. This high filtration level is achieved using high-grade filter medium which balances excellent filtration with minimal flow restriction, crucial for diesel engines demanding increased flow and efficiency.

The filter's durability is assured by an anticaustic housing and superior sealing components, making it resistant to leakage and extreme operating conditions. Compatibility is well-covered, replacing multiple OE parts, making it a versatile choice for the specified Dodge Ram models. However, the product weight (2.05 pounds) and dimensions (4.7 x 4.7 x 6.1 inches) might require some consideration for installation space.

Maintenance intervals aren't explicitly detailed, but the durable construction suggests a long lifespan, which is beneficial for minimizing frequent replacements. This fuel filter set is particularly suitable for owners of Dodge Ram 2500, 3500, 4500, and 5500 models looking for a high-quality, durable replacement that ensures efficient fuel filtration and engine protection.

Doc's Diesel Dodge RAM 6.7L Cummins Fuel/Water Separator is designed to exceed OEM standards, with a three-layer media filter offering high efficiency. This product is compatible with 2019-2023 Ram 6.7L Cummins models, ensuring a good fit for these vehicles.

The filters are built with durable materials, promising a long lifespan and dependable performance. The product's modern design is also noted, aligning well with current truck models. However, it is essential to verify compatibility with your specific vehicle before purchase.

The maintenance and replacement interval is not explicitly mentioned but is expected to align with typical fuel filter intervals, making it a practical choice for regular maintenance routines. This filter set is a good option for those seeking reliable aftermarket replacement parts for their Cummins engine, balancing quality and value effectively.

Doc's Diesel Fuel/Water Separator DGF410+DGF401 is designed specifically for Ram 6.7L Cummins trucks from 2013 to 2018, making it a solid choice for owners of these vehicles who want a direct replacement for their fuel/water separator. One of its strong points is its high filtration efficiency—tested to remove particles as small as 3 microns at nearly 97%, which helps protect your engine by keeping water and contaminants like dirt and rust out of the fuel system. This contributes to better engine performance, fuel economy, and acceleration.

The product includes two separators in the package and comes with necessary O-rings, simplifying installation. Compatibility is clearly defined, fitting a range of Ram 2500 to 5500 models, which is important to ensure it works seamlessly with your specific truck. Its build quality features carbon steel outer material, suggesting solid durability for typical driving conditions.

Maintenance is straightforward, following manufacturer guidelines of replacing every 5,000 to 10,000 miles, or up to 15,000 miles max, which aligns with common industry standards. This filter serves as a dependable, well-made replacement for Ram Cummins owners focused on maintaining clean fuel and engine health without needing complicated upgrades or modifications.