{"product_id":"fleetguard-fuel-filter-ff5776-for-cummins-isx15-2010-2019-5-micron-secondary-spin-on-oem-replacement","title":"Fleetguard Fuel Filter FF5776 for Cummins ISX15 (2010–2019) — 5‑Micron Secondary Spin‑On, OEM Replacement","description":"\u003cstrong\u003eFleetguard FF5776 is a genuine OEM secondary spin-on fuel filter engineered to protect Cummins ISX 15 and related engines by delivering 5-micron absolute filtration for cleaner fuel.\u003c\/strong\u003e\n\n\u003cp\u003eIf you run a 2010–2019 Cummins ISX 15L (or compatible 12L) engine, the Fleetguard FF5776 provides straightforward, factory-grade secondary filtration to help keep injectors and fuel-system components free of damaging particulates. Built by Atmus Filtration Technologies (formerly Cummins Filtration) to meet or exceed OEM specifications, this spin-on unit replaces several Cummins part numbers and installs using existing mounting hardware for convenient maintenance. It’s a direct replacement option when the goal is reliable, predictable fuel filtration on highway trucks and heavy-duty equipment.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the FF5776 protect my fuel system?\u003c\/h3\u003e\n\u003cp\u003eThe FF5776 traps contaminants down to 5 microns with 98.7% efficiency (SAE J 1985), reducing the load on fuel injectors and pumps. Cleaner fuel lowers the risk of premature wear and maintains consistent fuel delivery under varied operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5-micron absolute media captures fine particles and debris.\u003c\/li\u003e\n  \u003cli\u003eHigh-efficiency construction minimizes flow restriction while filtering.\u003c\/li\u003e\n  \u003cli\u003eSpin-on design enables quick replacement during scheduled service.\u003c\/li\u003e\n  \u003cli\u003eMeets OEM fit and sealing requirements to prevent bypass and leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work on my Cummins ISX engine model?\u003c\/h3\u003e\n\u003cp\u003eThe FF5776 is specified for a range of Cummins ISX engines, covering 2010–2019 ISX 15L and compatible 12L models. It’s a direct replacement for several Cummins part numbers, making it suitable where the factory secondary spin-on filter was originally specified.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 2010–2019 Cummins ISX 15L and select 12L engines.\u003c\/li\u003e\n  \u003cli\u003eInterchanges with Cummins part numbers such as 2864993, 2893612, 3685306, 4331007.\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit original mount points and sealing surfaces for straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the FF5776 and are there longer-life options?\u003c\/h3\u003e\n\u003cp\u003eReplacement intervals depend on operating conditions, fuel quality, and manufacturer recommendations; typical service is during scheduled maintenance or when fuel-system diagnostics indicate restriction. For extended service intervals or harsher fuel environments, Fleetguard offers alternatives with advanced media technology.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow truck OEM or fleet maintenance schedules for filter change frequency.\u003c\/li\u003e\n  \u003cli\u003eConsider FF5686 or FF5825NN (NanoNet media) for longer life or finer protection needs.\u003c\/li\u003e\n  \u003cli\u003eReplace immediately if signs of fuel delivery problems or contamination appear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits of choosing the genuine Fleetguard filter?\u003c\/h3\u003e\n\u003cp\u003eUsing an OEM-grade Fleetguard filter helps preserve fuel-system performance by maintaining designed flow rates and filtration efficiency. Genuine units reduce the likelihood of premature injector wear and simplify parts sourcing with known interchange numbers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory-grade manufacturing quality and materials for consistent performance.\u003c\/li\u003e\n  \u003cli\u003eKnown interchange numbers ease ordering and fleet inventory management.\u003c\/li\u003e\n  \u003cli\u003eSpin-on format keeps installation and disposal straightforward during service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Fleetguard FF5776 is aimed at truck owners, fleet managers, and maintenance technicians running 2010–2019 Cummins ISX engines who need a reliable OEM secondary fuel filter. It’s suited to fleets prioritizing predictable filtration performance, mechanics seeking a direct replacement part with familiar fitment, and operators who prefer genuine-brand components to help protect fuel injectors, pumps, and overall engine longevity.\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: Is the FF5776 an OEM Cummins part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Fleetguard (Atmus Filtration Technologies) manufactures the FF5776 to meet or exceed OEM specifications for Cummins engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What micron rating does the FF5776 provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The FF5776 uses a 5-micron absolute media with 98.7% efficiency per SAE J 1985.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fleetguard","offers":[{"title":"Default Title","offer_id":55171064660311,"sku":"B0FCCL5WH6","price":103.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/fleetguard-ff5776-front-view_8bfade36-82da-4459-b909-84a8d421e8ae.jpg?v=1790437414","url":"https:\/\/britishgarage.co.uk\/products\/fleetguard-fuel-filter-ff5776-for-cummins-isx15-2010-2019-5-micron-secondary-spin-on-oem-replacement","provider":"British Garage","version":"1.0","type":"link"}