{"product_id":"gxfcy-fuel-oil-filter-kit-pf9908-lf17511-fs19915-3-piece-diesel-replacement-for-isx-dd13-dd15","title":"GXFCY Fuel \u0026 Oil Filter Kit PF9908\/LF17511\/FS19915 — 3‑Piece Diesel Replacement for ISX\/DD13\/DD15","description":"\u003cp\u003e\u003cstrong\u003eGXFCY PF9908 \/ LF17511 \/ FS19915 is a replacement fuel, oil, and fuel-water-separator filter kit engineered to match common OEM references for ISX and Detroit Diesel engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis three-piece filter set combines a fuel filter (PF9908), an oil filter (LF17511), and a fuel-water-separator (FS19915) to help keep fuel and lubrication systems cleaner and running reliably. Each element is built as a compatible aftermarket replacement (not original OEM) and cross-references numerous part numbers so you can confirm fitment with your engine service manual. The kit is intended for heavy-duty diesel applications such as ISX, DD13, DD15 and DD16 engines where scheduled filtration maintenance is critical.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know these filters fit my engine?\u003c\/h3\u003e\n\u003cp\u003eEach filter in the kit lists multiple cross-reference numbers used by common manufacturers, making it easier to match the part you need. Verify the listed reference numbers against your vehicle’s current filters, parts manual, or dealer confirmation before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with ISX, DD13, DD15 and DD16 Detroit Diesel engines.\u003c\/li\u003e\n  \u003cli\u003eCross-references include P551063, A4720921205, LF17474 and others.\u003c\/li\u003e\n  \u003cli\u003eDesigned as replacement parts—confirm against your OEM part number.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I do during installation to ensure proper operation?\u003c\/h3\u003e\n\u003cp\u003eFollow standard filter-installation practices: remove the old element, clean the mounting surface, install the new filter, prime the fuel system if applicable, and check for leaks after startup. Never reuse the old filter element, and allow the engine to run briefly to verify proper sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDispose of used filters responsibly; do not reuse old elements.\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system after installing the new filter before full operation.\u003c\/li\u003e\n  \u003cli\u003eStart the engine, wait a few minutes, then inspect for leaks or abnormal noises.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should these filters be replaced?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on operating conditions, fuel quality, and manufacturer maintenance schedules. Regular replacement prevents accelerated wear—neglecting filtration can lead to increased mechanical wear and reduced fuel system performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow your engine manufacturer’s recommended service intervals.\u003c\/li\u003e\n  \u003cli\u003eShorten intervals under dusty, wet, or poor-fuel conditions.\u003c\/li\u003e\n  \u003cli\u003eMonitor fuel-water separator bowl and drain water as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat support and warranty come with the kit?\u003c\/h3\u003e\n\u003cp\u003eGXFCY provides a 12-month warranty and ongoing lifetime support for this replacement filter kit. Contact customer service with product questions or fitment concerns; keep proof of purchase handy for warranty claims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12-month limited warranty included.\u003c\/li\u003e\n  \u003cli\u003eLifetime technical support from GXFCY for fitment or installation questions.\u003c\/li\u003e\n  \u003cli\u003eNote: these are replacement parts, not OEM originals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This filter kit is intended for fleet operators, mechanics, and owner-operators who service heavy-duty diesel trucks powered by Cummins ISX or Detroit Diesel DD13\/15\/16 series engines and who need dependable, aftermarket replacement filter elements. It’s a practical choice when you want broad cross-reference compatibility, clear installation guidance, and warranty-backed aftermarket support.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these GXFCY filters OEM parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These are aftermarket replacement parts with cross-reference numbers, not original OEM components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these filters fit Detroit DD15 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is listed compatible with ISX, DD13, DD15, and DD16 Detroit Diesel engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GXFCY","offers":[{"title":"Default Title","offer_id":48080899670174,"sku":"B0BVV6CC4K","price":85.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gx-fcy-pf9908-front-view.jpg?v=1785791847","url":"https:\/\/northtrailauto.ca\/products\/gxfcy-fuel-oil-filter-kit-pf9908-lf17511-fs19915-3-piece-diesel-replacement-for-isx-dd13-dd15","provider":"North Trail Auto","version":"1.0","type":"link"}