Doc's Diesel Fuel/Water Separator DGF430+DGF401 for RAM 6.7L Cummins (2019-2024)
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Description
xProtect RAM 6.7L Cummins with Doc's DGF430+DGF401 Dual Fuel Filters
Doc's Diesel Fuel Filters are engineered to shield diesel systems by removing free water and filtering out dirt, rust, and debris before they reach critical components. The DGF430 and DGF401 pair expands the filtration media surface area, helping maintain steady fuel flow and stable pressure in everyday driving and under heavier loads. This dual-filter set targets RAM 6.7L Cummins engines from 2019 through 2024 and is designed to install with included o-rings for a reliable seal.
Third-party testing confirms a 3 micron efficiency rating of 96.92%, underscoring a focus on filtration performance while supporting consistent fuel delivery to the engine under varying conditions.
What’s in the kit
- Two fuel/water separator elements: DGF430 and DGF401
- Replacement o-rings included as needed for a proper seal
- Interchange compatibility with Mopar 68157291AA and 68436631AA
- Direct replacement fit for RAM 6.7L Cummins 2019-2024
Compatibility and interchange
The DGF430+DGF401 set is designed to replace specific Mopar parts and to fit 2019-2024 RAM 2500, 3500, 4500, and 5500 configurations. This pairing helps simplify routine maintenance by providing two corresponding filters in one kit, ready to swap in when service is due.
- Replaces Mopar 68157291AA
- Replaces Mopar 68436631AA
Why this matters for your diesel system
The combination of dual separators and a larger filtration surface helps keep the fuel path clear of contaminants, which can contribute to smoother fuel flow and stable pressure across driving scenarios. The 3 micron rating and high-efficiency performance are designed to work with diesel fuel quality encountered in everyday use and during demanding towing or long trips, without promising specific results.
Maintenance guidelines
- Change according to your vehicle manufacturer’s warranty and maintenance schedule
- Typical replacement window is 5,000–10,000 miles, with a 15,000 mile maximum recommendation
FAQ
Q: Which RAM models and years are compatible with the DGF430+DGF401 kit?
A: Fits 2019–2024 RAM 6.7L Cummins 2500, 3500, 4500, and 5500; replaces Mopar 68157291AA and 68436631AA.
Q: How often should these filters be replaced?
A: Follow the vehicle manufacturer guidelines; typical range is 5,000–10,000 miles, with a maximum of 15,000 miles.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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