{"product_id":"docs-diesel-fuel-water-separator-dgf430-dgf401-ram-6-7l-cummins","title":"Doc's Diesel Fuel\/Water Separator DGF430+DGF401 - RAM 6.7L Cummins","description":"\u003cp\u003eIn this review of Doc's Diesel Fuel\/Water Separator DGF430+DGF401 the bottom line is simple: this two-piece replacement kit is best for owners of 2019-2024 RAM 6.7L Cummins trucks who want OEM-level filtration at a lower cost. The reviewer found the set effective at removing water, dirt and rust, and appreciated the included o-rings when present. Performance gains are practical rather than dramatic - the main reason to buy is reliable fuel-system protection that preserves injectors and maintains fuel pressure and engine response over long duty cycles.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel and water separation:\u003c\/strong\u003e The filters are designed to trap water and particulate before they reach fuel system components, helping prevent injector damage and premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable fit:\u003c\/strong\u003e The DGF430 and DGF401 match common OEM and aftermarket cross references, so they fit 2019-2024 RAM 6.7L Cummins applications without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh filtration efficiency:\u003c\/strong\u003e Third-party testing shows a 3 micron media with about 96.92% efficiency, which targets fine contaminants that can affect fuel metering and combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit approach:\u003c\/strong\u003e The packaged set contains the two fuel\/water separators needed for the replacement, reducing the chance of missing parts during service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves drivability:\u003c\/strong\u003e By optimizing fuel flow and pressure, the filters can help maintain acceleration response and steady fuel economy under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for RAM 2500, 3500, 4500 and 5500 owners with the 6.7L Cummins from model years 2019 through 2024 who want a direct replacement for Mopar part numbers 68157291AA and 68436631AA without paying OEM pricing. It suits fleet trucks and heavy users who change filters on a routine 5,000 to 10,000 mile schedule or sooner under severe conditions.\u003c\/p\u003e\n\u003cp\u003eOwners seeking OEM branding or a manufacturer warranty tied to dealer parts should look elsewhere; additionally, anyone who demands exact-match packaging or guaranteed included accessories should verify the presence of o-rings on arrival, as some customers reported missing plastic rings.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid construction and good fit that matches OEM dimensions for easy installation.\u003c\/li\u003e\n\u003cli\u003eHigh filtration efficiency at 3 micron helps protect injectors and maintain performance.\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to OEM parts with included separators to complete the job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOccasional reports of missing o-rings require buyers to double-check the kit before installation or keep spares on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDoc's Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003eRAM 6.7L Cummins 2019-2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Parts\u003c\/td\u003e\n\u003ctd\u003e(2) Fuel\/Water Separators DGF430 + DGF401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Cross References\u003c\/td\u003e\n\u003ctd\u003eReplaces Mopar 68157291AA and 68436631AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Rating\u003c\/td\u003e\n\u003ctd\u003e3 micron @ 96.92% efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Change Interval\u003c\/td\u003e\n\u003ctd\u003eEvery 5,000 to 10,000 miles (15,000 max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eDoc's Diesel DGF430+DGF401 is a practical, value-oriented replacement for the RAM 6.7L Cummins fuel\/water separators that provides near-OEM fit and strong particulate and water removal. It is a good buy for owners who perform regular maintenance and want reliable protection for fuel system components, though buyers should verify o-rings on delivery to avoid installation delays.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these fit my 2020 RAM 3500 with the 6.7L Cummins?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is specified for 2019-2024 RAM 6.7L Cummins 2500, 3500, 4500, and 5500 models and replaces the listed Mopar part numbers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I change these filters?\u003c\/strong\u003e\u003cbr\u003eFollow manufacturer warranty guidance, with a practical schedule of every 5,000 to 10,000 miles and no more than 15,000 miles between changes under typical conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the filters come with o-rings?\u003c\/strong\u003e\u003cbr\u003eThe product is supplied with o-rings as needed, but some customers reported missing plastic rings, so inspect the kit on arrival and keep spares if uncertain.\u003c\/p\u003e","brand":"Doc's Diesel","offers":[{"title":"Default Title","offer_id":48245717074139,"sku":"B08KGSJ964","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61Qac_Pr2bL._AC_SL1000.jpg?v=1771000816","url":"https:\/\/gearmusthave.com\/products\/docs-diesel-fuel-water-separator-dgf430-dgf401-ram-6-7l-cummins","provider":"GearMustHave","version":"1.0","type":"link"}