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🛠️ Keep your Cummins running cleaner, longer — don’t let fuel impurities slow you down!
Doc's Diesel Fuel Water Separator is a precision-engineered, vehicle-specific filtration system designed for 6.7L Cummins RAM trucks (2019-2024). Independently tested to remove over 99% of water and contaminants down to 3 microns, it includes two matched filters for complete fuel system protection, ensuring peak engine performance and longevity with easy maintenance intervals.
| Asin | B08KGSJ964 |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | Doc's Diesel |
| Compatible With Vehicle Type | Truck |
| Customer Reviews | 4.6 4.6 out of 5 stars (620) 4.6 out of 5 stars |
| Included Components | No |
| Item Highlight | Two Matched Filters For A Complete Service, Each Independently Tested To A Published Efficiency Rating |
| Item Weight | 0.48 Kilograms |
| Manufacturer | Doc's Auto Parts |
| Manufacturer Part Number | DGF430+DGF401 |
| Manufacturer Warranty Description | Limited Warranty |
| Model Number | DGF430+DGF401 |
| Number Of Items | 1 |
| Oem Equivalent Part Number | 68157291AA, 68436631AA |
| Outer Material Type | Metal |
| Product Grade | Replacement Part |
| Style Name | In Line |
| Unit Count | 1.0 count |
User
Fit well
Look like the real thing and fit properly. Come in a non-descript cardboard box with a little white label that says Doc's Diesel and part numbers
User
These Fuel Filters Work Harder Than My Ram on a Monday Morning
Installed these DOC diesel fuel filters on my Ram 2500 and immediately felt like my truck judged me for not upgrading sooner.First impression: these filters look serious. Like they clock in early, don’t complain, and silently remove contaminants with blue‑collar dignity. I half expected one of them to ask if I’d checked my tire pressure lately.Installation was smooth no interpretive dance, no blood sacrifice, no muttering words I can’t say in front of my kids. Everything fit exactly how it should, which in the diesel world feels borderline miraculous. Five minutes in and I was already suspicious: Why is this going so well?Once installed, my truck fired up like it had just been reminded it’s a Ram 2500, not some grocery‑getter. Throttle response felt cleaner, idle was smoother, and the engine sounded like it had just had a large, refreshing glass of premium, judgment‑free fuel. I swear it even idled with more confidence.Since installing these filters, my truck:Starts easierRuns smootherSeems personally offended by low-quality dieselGives off big “I can tow that” energyThese filters do exactly what they promise: they stop garbage fuel from ruining my very expensive lifestyle choice. They’re basically bouncers for my fuel system “Sorry, dirt, water, and regrets… not tonight.”Highly recommend DOC diesel fuel filters if you:Love your RamHate injector problemsEnjoy preventative maintenance that doesn’t cause emotional distressFive stars. Will absolutely buy again at the next fuel filter change, assuming my truck doesn’t decide it’s invincible now.
User
Good price great product
Awesome product for the price, doesn’t go as long as MOPAR but is much cheaper if you can change them yourself. 100$ instead 350 to 450 at the dealer.
User
Good price
I've heard a lot about Docs filters. They arrived quickly and fit well
User
🚛 Perfect Fit and Reliable Fuel Filtration!
I’m very satisfied with this fuel and water separator set. It fits perfectly on my RAM 6.7L Cummins and the installation was straightforward. The build quality feels solid, and it gives me confidence that my engine is getting clean, properly filtered fuel. I’ve noticed everything running smoothly since installing it, and it’s a great value compared to more expensive options. Overall, it’s a dependable replacement filter set that does exactly what it’s supposed to do. 👍
Trustpilot
3 weeks ago
1 week ago