{"product_id":"fleetguard-ff5776-fuel-filter-for-cummins-isx-15l-2010-2019-5-micron-spin-on-secondary-oem-replacement","title":"Fleetguard FF5776 Fuel Filter for Cummins ISX 15L (2010–2019) - 5 Micron Spin-On Secondary OEM Replacement","description":"\u003cp\u003e\u003cstrong\u003eFleetguard FF5776 is a genuine OEM secondary spin-on fuel filter engineered to protect Cummins ISX engines by removing fine contaminants and maintaining clean fuel delivery.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you operate a Cummins ISX 15L (or compatible 12L) from model years 2010–2019, the FF5776 is the factory-grade secondary fuel filter designed to keep the fuel system free of particles that can harm injectors and pumps. Made by Fleetguard (Atmus Filtration Technologies), this spin-on replacement meets or exceeds OEM fit and filtration performance expectations so you can service your fuel system with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the FF5776 improve fuel system reliability?\u003c\/h3\u003e\n\u003cp\u003eThe FF5776 captures very small particulates before they reach fuel injectors and high-pressure pumps, reducing the risk of clogging and premature wear. Its media and construction are certified to deliver consistent performance under heavy-duty operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5 micron absolute rating for fine-particle removal\u003c\/li\u003e\n  \u003cli\u003e98.7% efficiency (SAE J1985) for reliable contaminant capture\u003c\/li\u003e\n  \u003cli\u003eSpin-on design for straightforward replacement and seal integrity\u003c\/li\u003e\n  \u003cli\u003eOEM-compatible materials to withstand diesel system pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and model years fit this filter?\u003c\/h3\u003e\n\u003cp\u003eThis FF5776 secondary filter is specified for a range of Cummins ISX engines, commonly installed in heavy-duty trucks and industrial applications. Always verify fitment with your engine serial number or parts manual before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for Cummins ISX 15L engines and compatible ISX 12L variants\u003c\/li\u003e\n  \u003cli\u003eCommonly used on 2010–2019 model year applications\u003c\/li\u003e\n  \u003cli\u003eDirect OEM replacement for part numbers such as Cummins 2864993, 2893612, 3685306, and 4331007\u003c\/li\u003e\n  \u003cli\u003eSuitable where original secondary spin-on filtration is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the performance specifications and maintenance tips?\u003c\/h3\u003e\n\u003cp\u003eThe FF5776 provides a high level of particulate control while keeping fuel flow adequate for modern high-pressure injection systems. Replace the filter at the intervals recommended by Cummins or your vehicle’s service schedule, and inspect for contamination or fuel system anomalies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAbsolute filtration: 5 microns for injector protection\u003c\/li\u003e\n  \u003cli\u003eEfficiency: 98.7% per SAE J1985 testing standard\u003c\/li\u003e\n  \u003cli\u003eSpin-on format simplifies removal and installation during service\u003c\/li\u003e\n  \u003cli\u003eConsider NanoNet options (FF5825NN) or extended-life FF5686 for longer service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this filter be used as a direct OEM replacement?\u003c\/h3\u003e\n\u003cp\u003eYes—Fleetguard FF5776 is manufactured to meet OEM specifications and replaces several equivalent Cummins part numbers. Using a genuine Fleetguard filter helps maintain original equipment fitment and filtration characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatches Cummins replacement numbers including 2864993 and 2893612\u003c\/li\u003e\n  \u003cli\u003eMeets material and sealing requirements for factory fuel systems\u003c\/li\u003e\n  \u003cli\u003eSold as a single-pack spin-on secondary filter for convenient inventory management\u003c\/li\u003e\n  \u003cli\u003eCompatible with service procedures for secondary fuel filter replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Fleetguard FF5776 is aimed at fleet managers, owner-operators, and maintenance technicians who service 2010–2019 Cummins ISX 15L (and compatible 12L) engines and want a dependable OEM-grade secondary fuel filter. Choose this part when you need proven filtration performance, straightforward installation, and compatibility with Cummins-specified service intervals. If your application requires extended-life or NanoNet media, consider Fleetguard alternatives such as FF5686 or FF5825NN.\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 compatible with Cummins ISX 15 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The FF5776 is designed for Cummins ISX 15L (and compatible 12L) engines, typically covering 2010–2019 model years.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What filtration rating does the FF5776 use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses a 5 micron absolute rating with 98.7% efficiency per SAE J1985 for fine particle removal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fleetguard","offers":[{"title":"Default Title","offer_id":67585117356217,"sku":"B0FCCL5WH6","price":171.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/fleetguard-ff5776-front-view.jpg?v=1790467876","url":"https:\/\/redleafauto.ca\/products\/fleetguard-ff5776-fuel-filter-for-cummins-isx-15l-2010-2019-5-micron-spin-on-secondary-oem-replacement","provider":"Redleaf Auto","version":"1.0","type":"link"}