{"product_id":"drop-in-series-fuel-system-for-25-27-ram-2500-3500-cummins-6-7l-fass","title":"Drop-In Series Fuel System for 25-27 Ram 2500\/3500 Cummins 6.7L FASS","description":"\u003cp\u003eThe FASS Drop-In Series DIFSRAM5001 fits 2025-2027 Ram 2500 and 3500 trucks with the 6.7L Cummins diesel. It installs in the factory location and works with the Ram OEM in-tank lift pump.\u003c\/p\u003e\n\u003cp\u003eNot compatible with the FASS Fuel Sump Kit. May not fit aftermarket high-capacity fuel tanks; verify clearance before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This is not a lift pump! This is an air separation and filtration system that utilizes your factory in-tank lift pump. Installation of this kit on a cab and chassis may require modifications.\u003c\/p\u003e\n\u003cp\u003eDrop-In Fuel Systems are a plug-and-play filtration upgrade and are not compatible with our Fuel Sump Kit. The system mounts in the factory location and may not fit aftermarket high-capacity fuel tanks; verify clearance before ordering.\u003c\/p\u003e\n\u003cp\u003eNo additional items are needed for installation. This drop-in filtration system retains the Ram OEM in-tank fuel pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFASS Drop-In Technology:\u003c\/strong\u003e The FASS Drop-In Series Diesel Fuel System is engineered to be the most cost-effective and easiest solution for removing air\/vapor from diesel fuel in your diesel fuel injection system. By implementing the extreme water separator (XWS3002) filter our system will provide 2 microns absolute filtration.\u003c\/p\u003e\n\u003cp\u003eRemoving entrained air and vapor, Extreme Water Separation, and 2 micron absolute filtration with a Micro-Glass filter element all work together in the FASS Drop-In for Ram to optimize fuel efficiency, restore horsepower, and improve performance across the entire fuel system and engine. And that's only scratching the surface of the benefits FASS brings to your Cummins.\u003c\/p\u003e\n\u003cp\u003eImagine being able to improve MPG (fuel efficiency), horsepower, increase fuel injection system life, truly balance the engine (smoother operation) with other benefits listed below with an installation time in about 1 hour!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFASS Drop-In Series System Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRemove the entrained air and vapor from your diesel fuel and a chain reaction follows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePatented Air and Vapor Separation - Times 2:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncreases Lubricity to Fuel Injection Components:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAt least a 10 percent gain in fuel lubricity under stationary conditions - and that's the floor. Agitation begins the moment the engine does, and vehicle motion compounds it. Restricting filters, higher elevation, heated fuel, and lower fuel levels drive air\/vapor higher yet.\u003c\/p\u003e\n\u003cp\u003eThe field calls it fuel starvation. Physics calls it entrained air\/vapor. Strip it out, and lubricity gains travel well north of 10 percent.\u003c\/p\u003e\n\u003cp\u003eFASS will Triple the life of your fuel injection system - and keep thousands of dollars in your pocket over the long haul.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptimizes Fuel Efficiency \/ Horsepower:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause air and vapor are compressible and fuel is not, they delay fuel entry into the cylinder. Combustion starts late, the burn rate suffers, and the power stroke produces fewer BTUs than it should.\u003c\/p\u003e\n\u003cp\u003eFrom the Field - FASS optimizes fuel efficiency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustomers consistently reporting gains of 6-11 percent, coupled with horsepower gains.\u003c\/li\u003e\n\u003cli\u003eCustomer consistently report the following:\u003c\/li\u003e\n\u003cli\u003eTruck Only: 1 - 2.5mpg increase\u003c\/li\u003e\n\u003cli\u003eLoaded: .5 - 1.5mpg increase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTrue Engine Balancing - Smoother and Quieter Operation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAir\/vapor delays fuel delivery, and it does so inconsistently and unpredictably - throwing the engine out of time. Strip it out, and every cylinder hits its true contribution on every power stroke.\u003c\/p\u003e\n\u003cp\u003eCustomers hear it first, then feel it - in the mirrors, in the steering wheel. The engine runs smoother, and less vibration reaches the cab. Less vibration means less stress, and less stress means a longer life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConsistent Engine Performance with HP Gains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDiesel engine output depends on precise fuel injection timing, and air\/vapor undermines that precision.\u003c\/p\u003e\n\u003cp\u003eYour Cummins engine was rated in a Test Cell - clean, non-agitated fuel, positive flow, roughly 10 percent air in solution. FASS delivers those same conditions in the Real World with the air removed, edging performance just past the Test Cell rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReduces: Regens, Soot\/Emissions, EGT's (Turbo Temps), Water\/Oil Temps, Oil Consumption:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShift the fuel timing and you shift the BTUs produced by every power stroke. That single shift ripples outward: how much soot is created, how and when combustion occurs, and how fast heat exits the cylinder as valve and combustion timing drift apart.\u003c\/p\u003e\n\u003cp\u003eEven ring seating depends on it.\u003c\/p\u003e\n\u003cp\u003eEvery one of these benefits leads to the same place: Cost. FASS reduces maintenance spending across the board, and while that may sound too good to be true, the physics and the customer reports say otherwise.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoot\/Emissions: down 18-76.8 percent - plus reductions across CO, CO2, and Oxides of Nitrogen.\u003c\/li\u003e\n\u003cli\u003eRegens: Many customers report their regen frequency drops by about half.\u003c\/li\u003e\n\u003cli\u003eEGT's (Turbo Temps): typical stock applications 50-100 degrees F; modified applications 150 degrees F and up, over 200 degrees F.\u003c\/li\u003e\n\u003cli\u003eWater\/Oil Temps: reported 15-25 degrees F.\u003c\/li\u003e\n\u003cli\u003eOil Consumption: customers have reported reduced oil consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePeace of Mind - Real Water Separation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigher Volume Water Conditions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThird-party proven to remove over 99 percent of water. In a major contamination event, traditional and OEM cellulose filters pass water straight through to the fuel injection system - and the damage is catastrophic. The FASS Extreme Water Separator dams the flow instead, stopping that water cold.\u003c\/p\u003e\n\u003cp\u003eThe benefit, simply put: competitors' filters fill with water, pass that water to the fuel injection system, and you're looking at catastrophic damage and downtime.\u003c\/p\u003e\n\u003cp\u003eConventional cellulose filters (OEM\/direct competitors) - costly when it counts:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRepair or replace the fuel system - are the parts even available?\u003c\/li\u003e\n\u003cli\u003eReplace filters and replace fuel - more shop time, more cost.\u003c\/li\u003e\n\u003cli\u003eVehicle sits idle, producing nothing - and where are you, loaded or on vacation?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFASS Extreme Water Separator - engineered exclusively for FASS. Cheap insurance against the alternative:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo fuel system repair or replacement.\u003c\/li\u003e\n\u003cli\u003eReplace filters and service fuel with FASS filters - that's it.\u003c\/li\u003e\n\u003cli\u003eVehicle stays working.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2-Micron Absolute Microglass Filter - 30,000-Mile \/ 5,000-Gallon Life Expectancy:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompetitors and OEMs use cheap cellulose filters with large micron ratings. Ours is 2-micron absolute microglass - 400 percent more efficient and much higher quality, rated at 1,500 GPH.\u003c\/p\u003e\n\u003cp\u003eTo match a cellulose filter to the capability\/efficiency of a microglass element you will need a filter four times the size of filter. Our filter has four times the effective filtration, and catches finer debris along the way.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCold Weather and Fuel Conditioning:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Cold Weather Operations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePair our high-efficiency Micro-Glass fuel filter, rated at 1,500 GPH, with the optional FASS Heater Kit for your climate, and leave traditional OEM gelling and cold-start problems behind.\u003c\/p\u003e\n\u003cp\u003eDrop-In plus FASS Heater Kit. This set up takes 2nd only to it's brother the FASS Titanium Series Plus Fuel System.\u003c\/p\u003e\n\u003cp\u003eLet's take it one step further: want to preheat your FASS System with your phone from the warmth of your home? If you're within about 250 feet, just add FASS Connect to your FASS Heater Kit.\u003c\/p\u003e\n\u003cp\u003eDependable starts and smooth operation in extreme cold, with no extra modifications. Install the FASS Drop-In System with heater kit about an hour and head into winter with confidence. To Install the FASS Drop-In System with heater kit and head into winter with confidence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMass Flow Return (MFR):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFASS keeps positive pressure on the fuel going to your engine and sends the fuel your engine doesn't use back to the tank. That returning fuel has already passed through the FASS filters, with air\/vapor, water, and debris removed, so the fuel in your tank is constantly moving and being cleaned.\u003c\/p\u003e\n\u003cp\u003eEvery pass makes your fuel cleaner. Your tank holds progressively Polished fuel, and your fuel injection system always sees the cleanest fuel possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included In The DIFSRAM5001:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) FASS Drop-In Series Air Separation\/Filtration System\u003c\/li\u003e\n\u003cli\u003e(1) FASS XWS3002XL Extreme Water Separator\u003c\/li\u003e\n\u003cli\u003e(1) FASS CWS1010 Coalescing Water Separator\u003c\/li\u003e\n\u003cli\u003e(1) Installation Kit Including all necessary Fittings, Bracketry and Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose FASS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOEM filtration was validated in a Test Cell. It was never designed to deliver that same Performance, Productivity, and Protection in the Real World working conditions. That's why the people who build this Great country turn to FASS.\u003c\/p\u003e\n\u003cp\u003eBrad Ekstam, Founder and President\u003c\/p\u003e\n\u003cp\u003eAt FASS, we don't rush products to market, we are Striving for Perfection Settling for Excellence. That's why our systems have a failure rate of less than 0.5 percent, and why diesel owners across the country trust us to protect their investments.\u003c\/p\u003e\n\u003cp\u003eWhether you're daily driving your diesel truck or building horsepower, the FASS Drop-In Series Fuel System gives you peace of mind and performance you can feel. Register your system with FASS to activate the limited lifetime warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2025, 2026 and 2027 Ram 2500 and Ram 3500 trucks with the 6.7L Cummins diesel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Cab and chassis models may require modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits: 2025-2027 Ram 2500\/2025-2027 Ram 3500\u003c\/li\u003e\n\u003cli\u003eSeries: Drop-In Series\u003c\/li\u003e\n\u003cli\u003eLiter: 6.7 Liter\u003c\/li\u003e\n\u003cli\u003eFuel Type: Diesel\u003c\/li\u003e\n\u003cli\u003eEngine: 6.7L Cummins\u003c\/li\u003e\n\u003cli\u003eEngine Years: 2025-2027\u003c\/li\u003e\n\u003cli\u003eEngine Manufacturer: Cummins\u003c\/li\u003e\n\u003cli\u003eWarranty: Limited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2025-2027 Ram 2500 6.7L Cummins\u003c\/li\u003e\n\u003cli\u003e2025-2027 Ram 3500 6.7L Cummins\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FASS","offers":[{"title":"Default Title","offer_id":67833973375050,"sku":"DIFSRAM5001","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/3146\/8874\/files\/DIFSRAM5001-FKRH.png?v=1793161911","url":"https:\/\/dieselpartdeals.com\/products\/drop-in-series-fuel-system-for-25-27-ram-2500-3500-cummins-6-7l-fass","provider":"Diesel Part Deals","version":"1.0","type":"link"}