{"product_id":"valtrix-powertrain-genuine-mopar-68436631aa-fuel-water-separator-filter-kit-mo-631-oem-6-7l-cummins-diesel","title":"Genuine Mopar 68436631AA Fuel Water Separator Filter | OEM MO-631 for Ram 6.7L Cummins \u0026 3.0L EcoDiesel","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\" id=\"model-response-message-contentr_ae4980d7f2c94326\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"4\"\u003eOne filter, two elite engines, zero room for error.\u003c\/b\u003e Whether you’re hauling heavy with a 2019+ Ram 6.7L Cummins or navigating trails in a 3.0L EcoDiesel Jeep, your fuel system demands absolute purity. The \u003cb data-index-in-node=\"204\" data-path-to-node=\"4\"\u003eGenuine Mopar 68436631AA (MO-631)\u003c\/b\u003e is the factory-specified frame-mounted separator engineered to stop water and debris in their tracks before they reach your high-pressure injectors.\u003chr data-path-to-node=\"5\"\u003e\n\u003ch2 data-path-to-node=\"6\"\u003e🧠 WHY THIS MATTERS\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eAt \u003cb data-index-in-node=\"3\" data-path-to-node=\"7\"\u003eValtrix Powertrain\u003c\/b\u003e, we know that modern diesel systems operate at pressures exceeding 30,000 PSI. At these levels, even a single drop of water can cause \"tip-blowout\" in an injector. The MO-631 is built with proprietary filtration media that specifically targets emulsified water—the kind that budget aftermarket filters often miss. Using this OEM kit isn't just maintenance; it’s protecting your engine's warranty and its long-term reliability.\u003c\/p\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch2 data-path-to-node=\"9\"\u003e🆚 OEM vs AFTERMARKET\u003c\/h2\u003e\n\u003cdiv class=\"horizontal-scroll-wrapper\"\u003e\n\u003cdiv class=\"table-block-component\"\u003e\n\u003cdiv class=\"table-block has-export-button new-table-style is-at-scroll-start is-at-scroll-end\"\u003e\n\u003cdiv class=\"table-content not-end-of-paragraph\"\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,0,0,0\"\u003eFeature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,0,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,1,0\"\u003eGenuine Mopar 68436631AA\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,0,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,2,0\"\u003eGeneric Aftermarket Filters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0,0\"\u003eMedia Technology\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eOEM High-Capacity Synthetic\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,2,0\"\u003eStandard low-grade cellulose (paper)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0,0\"\u003eWater Separation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003eOptimized for 2019+ High-Flow Pumps\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,2,0\"\u003eProne to \"bypass\" under high pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,3,0,0\"\u003eSeal Precision\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eFactory-measured O-ring thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,2,0\"\u003eRisk of \"air-in-fuel\" due to poor seals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,4,0,0\"\u003eCold Performance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eAnti-gel properties built into media\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,2,0\"\u003eHigher risk of fuel starvation in winter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"table-footer hide-from-message-actions\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch2 data-path-to-node=\"12\"\u003e📦 WHAT’S INCLUDED\u003c\/h2\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,0,0\"\u003e(1) Genuine Mopar Fuel Water Separator Filter\u003c\/b\u003e (P\/N 68436631AA \/ MO-631)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,1,0\"\u003e(1) Factory-Spec Sealing O-Ring\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"13,2,0\"\u003eMopar Official Protective Packaging\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch2 data-path-to-node=\"15\"\u003e⚙️ COMPATIBILITY\u003c\/h2\u003e\n\u003cp data-path-to-node=\"15\"\u003eThis is the \u003cb data-index-in-node=\"12\" data-path-to-node=\"16\"\u003eframe-mounted\u003c\/b\u003e (rear) fuel filter for 2019+ Heavy Duty trucks and 2020+ EcoDiesel models.\u003c\/p\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,0,0\"\u003eRam 2500\/3500\/4500\/5500:\u003c\/b\u003e 2019, 2020, 2021, 2022, 2023, 2024+ (6.7L Cummins)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,1,0\"\u003eRam 1500:\u003c\/b\u003e 2020, 2021, 2022, 2023 (3.0L EcoDiesel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,2,0\"\u003eJeep Wrangler JL:\u003c\/b\u003e 2020, 2021, 2022, 2023 (3.0L EcoDiesel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,3,0\"\u003eJeep Gladiator JT:\u003c\/b\u003e 2021, 2022, 2023 (3.0L EcoDiesel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,4,0\"\u003eInterchange:\u003c\/b\u003e MO-631, 68436631AB.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"18\"\u003e\n\u003ch2 data-path-to-node=\"19\"\u003e🚨 SIGNS YOU NEED THIS\u003c\/h2\u003e\n\u003cp data-path-to-node=\"19\"\u003eReplace your MO-631 immediately if you experience:\u003c\/p\u003e\n\u003cul data-path-to-node=\"21\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"21,0,0\"\u003eDashboard Warning:\u003c\/b\u003e \"Water in Fuel\" light is active.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"21,1,0\"\u003eFuel Starvation:\u003c\/b\u003e Engine stutters under heavy acceleration or towing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"21,2,0\"\u003eMilestone Service:\u003c\/b\u003e You have reached \u003cb data-index-in-node=\"36\" data-path-to-node=\"21,2,0\"\u003e15,000 miles\u003c\/b\u003e (standard) or \u003cb data-index-in-node=\"63\" data-path-to-node=\"21,2,0\"\u003e10,000 miles\u003c\/b\u003e (severe duty).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"21,3,0\"\u003eRough Idle:\u003c\/b\u003e Inconsistent RPMs at stoplights after a recent fill-up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"22\"\u003e\n\u003ch2 data-path-to-node=\"23\"\u003e🛒 WHY BUY FROM VALTRIX\u003c\/h2\u003e\n\u003cul data-path-to-node=\"24\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"24,0,0\"\u003eVerified Authenticity:\u003c\/b\u003e Don't gamble with \"Amazon Fakes.\" We ship 100% genuine Mopar parts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"24,1,0\"\u003eIn-Stock \u0026amp; Ready:\u003c\/b\u003e We keep our inventory live so your truck isn't sitting on jack stands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"24,2,0\"\u003eExpert Knowledge:\u003c\/b\u003e We specialize in Cummins and EcoDiesel powertrain components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"24,3,0\"\u003eSecure Logistics:\u003c\/b\u003e Fast, tracked shipping across the USA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"25\"\u003e\n\u003cp data-path-to-node=\"27\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"27\"\u003eKeep your diesel system pure.\u003c\/b\u003e Ensure your high-pressure fuel pump stays lubricated and water-free with the factory's own solution. 👉 \u003cb data-index-in-node=\"134\" data-path-to-node=\"27\"\u003e[ADD TO CART]\u003c\/b\u003e and maintain the peak performance of your Ram or Jeep.\u003c\/p\u003e\n\u003chr data-path-to-node=\"28\"\u003e\n\u003ch2 data-path-to-node=\"29\"\u003e❓ FAQ\u003c\/h2\u003e\n\u003cp data-path-to-node=\"30\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"30\"\u003eQ: Is this the same as the 68197867AB?\u003c\/b\u003e A: No. The 68436631AA (MO-631) is for \u003cb data-index-in-node=\"77\" data-path-to-node=\"30\"\u003e2019 and newer\u003c\/b\u003e Ram trucks. If your truck is a 2013–2018 model, you likely need the 68197867AB. Always check your model year!\u003c\/p\u003e\n\u003cp data-path-to-node=\"31\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"31\"\u003eQ: Where is this filter located?\u003c\/b\u003e A: On Ram trucks, this is the frame-mounted filter located in the rear, near the fuel tank. On Jeep EcoDiesel models, it is located near the middle of the chassis.\u003c\/p\u003e\n\u003cp data-path-to-node=\"32\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"32\"\u003eQ: Should I change the engine-mounted filter at the same time?\u003c\/b\u003e A: Absolutely. To ensure 100% fuel system integrity, Mopar recommends changing both the engine-mounted filter and this frame-mounted separator at every service interval.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e","brand":"Valtrix Powertrain","offers":[{"title":"Default Title","offer_id":51721475850551,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/3428\/7927\/files\/Mopar68436631AAFuelWaterSeparatorFilterKit_c213f3a3-c9fc-4fd9-951c-70c491639c6c.jpg?v=1774879034","url":"https:\/\/valtrixpowertrain.com\/products\/valtrix-powertrain-genuine-mopar-68436631aa-fuel-water-separator-filter-kit-mo-631-oem-6-7l-cummins-diesel","provider":"Valtrix Powertrain","version":"1.0","type":"link"}