--- product_id: 331662952 title: "Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024" brand: "doc's diesel" price: "NT$7902" currency: TWD in_stock: true reviews_count: 5 category: "Doc's Diesel" url: https://www.desertcart.tw/products/331662952-docs-diesel-fuel-water-separator-fits-6-7l-cummins-ram store_origin: TW region: Taiwan --- # Perfect fit for 6.7L Cummins RAM 2500-5500 (2019-2024) 99.1% filtration efficiency @ 3 microns Dual matched filters for complete fuel system protection Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 **Brand:** doc's diesel **Price:** NT$7902 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your Ram running like a boss—because your fuel deserves first-class treatment. ## Quick Answers - **What is this?** Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 by doc's diesel - **How much does it cost?** NT$7902 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/331662952-docs-diesel-fuel-water-separator-fits-6-7l-cummins-ram) ## Best For - doc's diesel enthusiasts ## Why This Product - Trusted doc's diesel brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Filter Duo:** Includes two perfectly matched filters (DGF430 + DGF401) for a full-service upgrade in one purchase—no guesswork needed. - • **Tailored for Your RAM:** Engineered specifically for 6.7L Cummins RAM 2500-5500 (2019-2024) to guarantee seamless fit and peak performance. - • **Effortless Installation:** Designed for a smooth, no-fuss swap that gets you back on the road faster—no interpretive dance required. - • **Maximized Engine Longevity:** Stops water, dirt, rust, and debris from wrecking your fuel system, ensuring smoother starts, cleaner throttle response, and confident idling. - • **Precision Filtration Power:** Independently tested to remove 99.1% of water & contaminants down to 3 microns—your engine’s new best friend. ## Overview Doc's Diesel Fuel Water Separator is a high-efficiency, vehicle-specific filtration system designed for 2019-2024 6.7L Cummins RAM 2500-5500 trucks. Independently tested to remove over 99% of water and contaminants down to 3 microns, it includes two matched filters for complete fuel system protection. Engineered for easy installation and optimal engine performance, it prevents injector damage and maintains smooth operation, making it an essential upgrade for diesel enthusiasts committed to reliability and longevity. ## Description This premium quality diesel filter is made to 2019 - 2020 6.7 CUMMINS. * for OEM 68436631AA, 68157291AA. Review: 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 Review: 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 easier Runs smoother Seems personally offended by low-quality diesel Gives off big “I can tow that” energy These 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 Ram Hate injector problems Enjoy preventative maintenance that doesn’t cause emotional distress Five stars. Will absolutely buy again at the next fuel filter change, assuming my truck doesn’t decide it’s invincible now. ## Features - Every Component Tested: Independent testing rates fuel water separator 99.1 percent efficiency down to 3 microns, fuel water separator 96.92 percent efficiency down to 3 microns. - Confirms Your Fit: Built for RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024. Use the fitment card on this page to confirm your exact year and configuration before ordering. - How It Works: Doc's Fuel/Water Separators separate water from fuel and remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. - What Is Included: DGF430 fuel water separator, DGF401 fuel water separator. Every piece is matched to the same application so one order covers the service. - Service Interval: Change according to your vehicle’s manufacturer warranty. Fuel/Water Separators should be changed every 5,000 to 10,000 miles, or 15,000 maximum. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08KGSJ964 | | Automotive Fit Type | Vehicle Specific Fit | | Brand | Doc's Diesel | | Brand Name | Doc's Diesel | | Compatible with Vehicle Type | Truck | | Customer Reviews | 4.6 out of 5 stars 621 Reviews | | 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 | | 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 | | Outer material | Metal | | Product Grade | Replacement Part | | Product grade | Replacement Part | | Style | In Line | | Style Name | In Line | | Unit Count | 1.0 count | | Vehicle service type | Truck | ## Product Details - **Brand:** Doc's Diesel - **Item weight:** 0.48 Kilograms - **Outer material:** Metal - **Product grade:** Replacement Part - **Vehicle service type:** Truck ## Images ![Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 - Image 1](https://m.media-amazon.com/images/I/61Qac+Pr2bL.jpg) ![Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 - Image 2](https://m.media-amazon.com/images/I/610-Oyas-7L.jpg) ![Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 - Image 3](https://m.media-amazon.com/images/I/71IfzFY5m8L.jpg) ![Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 - Image 4](https://m.media-amazon.com/images/I/61AAq-aIjwL.jpg) ![Doc's Diesel Fuel Water Separator, Fits 6.7L Cummins RAM 2500 2019-2024 - Image 5](https://m.media-amazon.com/images/I/61gsAj4N5FL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is this set direct replacements for the front and rear fuel filters on a 2019 Ram 2500 6.7 Cummins?** A: Yes **Q: Are the O-ring seals provided for this 2 different sizes?** A: Yes they are. **Q: What manufacturer makes the rear chassis filter 68536631aa?** A: Mopar makes the original, our aftermarket is Doc's Brand! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fit well *by J***K on 20 October 2025* 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 ### ⭐⭐⭐⭐⭐ These Fuel Filters Work Harder Than My Ram on a Monday Morning *by A***R on 18 April 2026* 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 easier Runs smoother Seems personally offended by low-quality diesel Gives off big “I can tow that” energy These 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 Ram Hate injector problems Enjoy preventative maintenance that doesn’t cause emotional distress Five stars. Will absolutely buy again at the next fuel filter change, assuming my truck doesn’t decide it’s invincible now. ### ⭐⭐⭐⭐⭐ Good price great product *by R***P on 19 June 2026* 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. ## Frequently Bought Together - Doc's Diesel Fuel/Water Separator DGF430+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68157291AA, 68436631AA - Mopar Engine Oil Filter - 5083285AA - Doc's Diesel Engine Air Filter | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2007+ | Replaces 53034051AB --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/331662952-docs-diesel-fuel-water-separator-fits-6-7l-cummins-ram](https://www.desertcart.tw/products/331662952-docs-diesel-fuel-water-separator-fits-6-7l-cummins-ram) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-09-17*