{"product_id":"grend-fuel-water-separator-filter-element-fs20081-for-cummins-isb-isl-2017-2021-high-efficiency-water-separation-direct-fit","title":"GREND Fuel Water Separator Filter Element FS20081 for Cummins ISB\/ISL (2017–2021) — High-Efficiency Water Separation, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eGREND FS20081 is a direct-fit fuel water separator filter element designed to trap water and fine contaminants, protecting 2017–2021 Cummins ISB\/ISL and many International\/Detroit diesel engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you operate medium- and heavy-duty trucks or buses with Cummins ISB\/ISL or compatible Detroit engines, a reliable fuel water separator is critical to keep fuel dry and filtration efficient. The GREND FS20081 replaces OEM references A0000904851, PF46171 and L20081 and is built with high-efficiency media to remove water and smaller particulates that accelerate wear and cause poor combustion.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the GREND FS20081 protect my engine from fuel contamination?\u003c\/h3\u003e\n\u003cp\u003eThe FS20081 combines a water-separating chamber with fine filtration media to reduce water and microscopic debris in the fuel stream. Cleaner fuel lowers injector wear and maintains consistent fuel delivery under varied operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-efficiency filter media captures finer particles than basic filters.\u003c\/li\u003e\n  \u003cli\u003eIntegrated water separation reduces corrosion and injector fouling.\u003c\/li\u003e\n  \u003cli\u003eStable flow characteristics help preserve pump and injector performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and engines is this element compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis element fits a broad range of Cummins, International and Detroit diesel platforms from model years cited by OEM cross-references. It’s suitable as a replacement for several manufacturer part numbers, simplifying maintenance across mixed fleets.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OEM A0000904851, PF46171, L20081 and listed cross-references.\u003c\/li\u003e\n  \u003cli\u003eCompatible with 2017–2021 Cummins ISB and ISL applications and DD5\/DD8 engines.\u003c\/li\u003e\n  \u003cli\u003eUsed in International Trucks (Durastar, Workstar, MV607, 4300, M2 series), Freightliner\/other chassis listed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and routine service with the FS20081?\u003c\/h3\u003e\n\u003cp\u003eGREND designs the FS20081 as a drop-in replacement—installation follows the OEM’s filter change procedure with no special tools required. Each filter is inspected before shipment to ensure reliable fit and function.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design requires standard filter change steps—no modifications.\u003c\/li\u003e\n  \u003cli\u003ePre-shipment quality checks minimize risk of defects on arrival.\u003c\/li\u003e\n  \u003cli\u003eSold individually; replace according to vehicle maintenance interval recommendations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance features should I expect from this fuel\/water separator?\u003c\/h3\u003e\n\u003cp\u003eThe FS20081 emphasizes contaminant capture and water removal while maintaining flow stability. These attributes contribute to extended component life and steadier engine operation under real-world duty cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine filtration media captures smaller particulates to reduce mechanical wear.\u003c\/li\u003e\n  \u003cli\u003eEffective water separation helps prevent injector and pump damage.\u003c\/li\u003e\n  \u003cli\u003eDurable construction for consistent performance across service intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: fleet managers, owner-operators and maintenance technicians who service 2016–2021 medium- and heavy-duty trucks, buses and vocational vehicles powered by Cummins ISB\/ISL or compatible Detroit engines. If you need a cost-effective, OEM-referenced replacement to remove water and fine fuel contaminants, the GREND FS20081 is engineered to match fitment and filtration expectations for mixed fleets and single-vehicle owners alike.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePackage contents: 1 x FS20081 fuel filter water separator.\u003c\/li\u003e\n  \u003cli\u003eQuality: factory inspection before shipping; designed for easy installation and reliable operation.\u003c\/li\u003e\n  \u003cli\u003eNote: follow your vehicle manufacturer’s service intervals and procedures when replacing filters.\u003c\/li\u003e\n\u003c\/ul\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: Does the FS20081 fit my 2018 International MV607?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. FS20081 is compatible with 2019–2021 MV607 L9 and multiple International Durastar\/MV\/Workstar models listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does this filter replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces OEM A0000904851, PF46171 and L20081 and fits many Cummins ISB\/ISL, DD5 and DD8 applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GREND","offers":[{"title":"Default Title","offer_id":48085886173342,"sku":"B0CR4FRNJK","price":48.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/grend-fs20081-front-view.jpg?v=1785879494","url":"https:\/\/northtrailauto.ca\/products\/grend-fuel-water-separator-filter-element-fs20081-for-cummins-isb-isl-2017-2021-high-efficiency-water-separation-direct-fit","provider":"North Trail Auto","version":"1.0","type":"link"}