{"product_id":"pff61653-genuine-paccar®-fuel-filter-depth-coalescer-system-for-peterbilt-kenworth","title":"PFF61653 | Genuine Paccar® Fuel Filter - Depth Coalescer System (for Peterbilt, Kenworth)","description":"\u003cp\u003e\u003cstrong\u003eDescription: \u003c\/strong\u003eFuel Filter - Depth Coalescer System\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eCondition: \u003c\/strong\u003eNew\u003cstrong\u003e\u003cbr\u003eBrand: \u003ca href=\"https:\/\/firsttruckparts.com\/search?type=product\u0026amp;q=Paccar%2C*+Peterbilt%C2%AE*\"\u003e \u003c\/a\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/firsttruckparts.com\/search?type=product\u0026amp;q=Paccar%2C*+Peterbilt%C2%AE*\"\u003ePaccar\u003cspan style=\"font-size: 0.875rem;\"\u003e®\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PFF61653\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"dc76b8c6-1949-49ad-8642-4c43e2c81605\" dir=\"auto\" class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003cspan\u003eVehicle Fitment PFF61653:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-path-to-node=\"2\"\u003eThis system is the standard for PACCAR engines manufactured from \u003cb data-path-to-node=\"2\" data-index-in-node=\"65\"\u003e2010 to the present\u003c\/b\u003e (EPA10, EPA13, EPA17, and EPA21).\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eEngine Platforms:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,1,0,0\"\u003e\u003cb data-path-to-node=\"3,0,1,0,0\" data-index-in-node=\"0\"\u003ePACCAR:\u003c\/b\u003e MX-11 and MX-13.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,1,1,0\"\u003e\u003cb data-path-to-node=\"3,0,1,1,0\" data-index-in-node=\"0\"\u003eCummins:\u003c\/b\u003e ISX15 and X15 (when equipped with the PACCAR chassis-mounted fuel module).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eCommon Part Numbers:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,1,0,0\"\u003e\u003cb data-path-to-node=\"3,1,1,0,0\" data-index-in-node=\"0\"\u003ePF46145 \/ K37-1029:\u003c\/b\u003e The primary filter element for many MX engine configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,1,1,0\"\u003e\u003cb data-path-to-node=\"3,1,1,1,0\" data-index-in-node=\"0\"\u003eK37-1004 \/ K37-1011:\u003c\/b\u003e Used in the PACCAR\/Kenworth\/Peterbilt fuel-water separator assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003ePrimary Vehicle Applications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,1,0,0\"\u003e\u003cb data-path-to-node=\"3,2,1,0,0\" data-index-in-node=\"0\"\u003eKenworth:\u003c\/b\u003e T680, T880, W900, T2000.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,1,1,0\"\u003e\u003cb data-path-to-node=\"3,2,1,1,0\" data-index-in-node=\"0\"\u003ePeterbilt:\u003c\/b\u003e 579, 567, 389, 587.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Fuel Filter - Depth Coalescer System\u003cstrong\u003e PFF61653 \u003c\/strong\u003eis an advanced fuel-water separation technology used in modern PACCAR-powered trucks (Peterbilt and Kenworth). It represents a significant upgrade over traditional pleated paper filters.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eDepth Filtration:\u003c\/b\u003e Unlike a standard filter that traps dirt on its surface, the \"Depth\" media is thick and multi-layered. It captures contaminants throughout the entire thickness of the material, allowing it to hold more debris without restricting fuel flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eCoalescing Technology:\u003c\/b\u003e This is the \"magic\" of the system. As diesel fuel passes through the coalescer layer, tiny, microscopic water molecules are forced to collide and join together (\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"184\"\u003ecoalesce\u003c\/b\u003e) into large droplets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eSeparation:\u003c\/b\u003e Once the water droplets become heavy enough, they fall out of the fuel stream and settle into the collection bowl at the bottom of the filter housing, where they can be drained.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eEngine Protection:\u003c\/b\u003e Modern high-pressure common rail (HPCR) injectors are extremely sensitive. Even a tiny amount of water can cause them to explode or corrode. This system ensures the fuel reaching the engine is \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"212\"\u003e99% water-free\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eSigns of Faulty PFF61653:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,0,0\"\u003e\u003cb data-path-to-node=\"2,0,0\" data-index-in-node=\"0\"\u003eWater in Fuel Light:\u003c\/b\u003e This is the most obvious sign. If the \"Water in Fuel\" (WIF) dashboard icon illuminates frequently, the coalescer has reached its capacity or the collection bowl is full.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,1,0\"\u003e\u003cb data-path-to-node=\"2,1,0\" data-index-in-node=\"0\"\u003eLow Fuel Rail Pressure:\u003c\/b\u003e When the \"Depth\" media becomes saturated with contaminants, it restricts flow. You will experience a loss of power, especially under load or when climbing hills, often accompanied by fault codes for low rail pressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,2,0\"\u003e\u003cb data-path-to-node=\"2,2,0\" data-index-in-node=\"0\"\u003eRough Idle and Surging:\u003c\/b\u003e If the filter is partially clogged or has air leaks (often through a cracked filter bowl or a worn O-ring), the engine will hunt for a steady RPM at idle or \"stumble\" during acceleration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,3,0\"\u003e\u003cb data-path-to-node=\"2,3,0\" data-index-in-node=\"0\"\u003eHard Starting:\u003c\/b\u003e If the coalescer is blocked, the engine has to crank longer to build the necessary pressure to start. In cold weather, trapped water in the filter can freeze, completely blocking fuel flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,4,0\"\u003e\u003cb data-path-to-node=\"2,4,0\" data-index-in-node=\"0\"\u003eCloudy or Discolored Fuel:\u003c\/b\u003e If you drain the fuel-water separator and the fuel looks milky or \"cloudy\" even after draining the water, the coalescing media has likely broken down and is no longer effectively separating the water from the fuel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eManufacturer information\u003c\/strong\u003e:\u003cbr\u003eHeadquartered in Bellevue, WA,\u003cstrong\u003e PACCAR®\u003c\/strong\u003e is a Fortune 500 company specializing in heavy duty commercial vehicles. Founded in 1915 as the Pacific Car and Railway Company, PACCAR Inc grew from a small railway equipment supplier to one of the world's largest manufacturers of light, medium, and heavy duty trucks. It is a major designer and manufacturer of diesel engines and powertrain components through dealer networks in over 2,200 locations around the world. The company also operates parts distribution centers for aftermarket support that includes customer call centers operating 24 hours a day and state-of-the-art inventory management systems that speed up order processing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Paccar®","offers":[{"title":"Default Title","offer_id":48045076152564,"sku":"PFF61653","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/K37-1032.jpg?v=1734863848","url":"https:\/\/firsttruckparts.com\/products\/pff61653-genuine-paccar%c2%ae-fuel-filter-depth-coalescer-system-for-peterbilt-kenworth","provider":"First Truck Parts","version":"1.0","type":"link"}