{"product_id":"hastings-ff949-fuel-filter-secondary","title":"Hastings FF949 Fuel Filter - Secondary","description":"\u003ch2\u003eFuel Filter for Heavy-Duty Applications\u003c\/h2\u003e\u003cp\u003eThe Hastings FF949 is a fuel filter for select heavy-duty trucks that use a secondary element configuration. It is built for applications that call for OE number 6436719 or 6437284, depending on the vehicle, and it supports clean fuel delivery in older Freightliner and White platforms.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSecondary fuel filter element for select commercial truck applications\u003c\/li\u003e\n\u003cli\u003eApplication-specific fitment for Freightliner and White models\u003c\/li\u003e\n\u003cli\u003eMatches OE references 6436719 and 6437284 for listed vehicles\u003c\/li\u003e\n\u003cli\u003eFits select Autocar, Freightliner, and White trucks from 1981-1987\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eHastings FF949 is a replacement fuel filter for heavy-duty fuel systems that use a secondary element. Fitment includes 1987 Freightliner FLC112, 1981 Freightliner FLT086, 1983 Autocar C \/ DC, 1985-1986 Autocar ACL, and select White WCM, WIM, WHS, and WIL models. This part number, FF949, is listed with OE cross references 6436719 and 6437284 for the applications shown, making it a direct reference point when matching the correct filter to the vehicle.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or restricted secondary fuel filter element\u003c\/li\u003e\n\u003cli\u003eRestoring proper fuel filtration in listed heavy-duty trucks\u003c\/li\u003e\n\u003cli\u003eAddressing fuel delivery issues caused by contamination buildup\u003c\/li\u003e\n\u003cli\u003eSupporting maintenance on older commercial diesel fuel systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle's OE filter number and confirm the secondary element configuration before ordering. Match the application details exactly, including the listed model and year, because FF949 is not a universal filter. For fitment-specific service work on Freightliner and White trucks, compare the existing filter dimensions and OE reference before installation.\u003c\/p\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":53721555206325,"sku":"BBTS-FF949","price":34.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HA_FF949_Fro.jpg?v=1794120440","url":"https:\/\/www.partcatalog.com\/products\/hastings-ff949-fuel-filter-secondary","provider":"PartCatalog","version":"1.0","type":"link"}