{"product_id":"skp-sk89474-accessory-drive-belt-tensioner-assembly-fan-or-alternator-and-air-conditioning","title":"SKP SK89474 Accessory Drive Belt Tensioner Assembly - Fan or  Alternator and Air Conditioning","description":"\u003ch2\u003eAccessory Drive Belt Tensioner Overview\u003c\/h2\u003e\u003cp\u003eThe SKP SK89474 accessory drive belt tensioner assembly is built to maintain proper belt tension for consistent engine accessory operation. It is a direct-fit replacement for a range of medium- and heavy-duty applications, including Ford F-650 and Freightliner M2 106 models.\u003c\/p\u003e\u003cp\u003eThis tensioner helps support quieter operation and steady belt control in systems that drive the fan, alternator, and air conditioning. The SK89474 part number is also a useful reference when matching the correct replacement for your application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAccessory drive belt tensioner assembly for engine belt system service\u003c\/li\u003e\n\u003cli\u003eBuilt with high-quality materials for dependable replacement use\u003c\/li\u003e\n\u003cli\u003eRigorously tested for fit and function\u003c\/li\u003e\n\u003cli\u003eSupports stable belt tension for accessory drive operation\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford F-650, Freightliner M2 106, and other listed applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe SKP SK89474 is an accessory drive belt tensioner assembly designed for vehicles that rely on a properly tensioned belt to drive critical accessories. By maintaining consistent belt load, it helps reduce belt noise and supports efficient operation of the fan, alternator, and air conditioning system. This part cross-references Dayco 89474 for the same application.\u003c\/p\u003e\u003cp\u003eFitment includes 2002 Sterling Truck L8500, L9500, and LT8500\/LT9500; 2007-2011 Freightliner M2 106; 2007-2008 Kenworth T300; 2008-2011 Ford F-650; and 2008-2011 Peterbilt 330. Additional coverage includes Ford F-750, Freightliner MT45 and MT55, Kenworth T170, T270, and T370, Sterling Truck Acterra, Peterbilt 325, 335, and 337, plus Blue Bird All American FE, All American RE, and Vision School Bus applications. The SK89474 part number should be matched against the vehicle listing before installation.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part May Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBelt squeal caused by weak or inconsistent tension\u003c\/li\u003e\n\u003cli\u003eAccessory drive belt slack or poor tracking\u003c\/li\u003e\n\u003cli\u003eNoisy operation from a worn tensioner assembly\u003c\/li\u003e\n\u003cli\u003eReduced belt control in fan, alternator, and air conditioning drive systems\u003c\/li\u003e\n\u003cli\u003eReplacement needs for a failed belt tensioner assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the year, make, model, and belt-drive configuration before ordering. This application includes both fan, alternator, and air conditioning positions and one N\/A listing, so verify the exact vehicle setup against the fitment data. Inspect the belt and related pulleys during service to avoid repeat failures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKP states that this tensioner assembly is built from high-quality materials and tested for fit and function. The design is intended to support proper belt tension and quieter engine operation in the listed applications.\u003c\/p\u003e","brand":"SKP","offers":[{"title":"Default Title","offer_id":53370437238965,"sku":"GQLW-SK89474","price":71.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/5K_SK89474_Fro.jpg?v=1790145225","url":"https:\/\/www.partcatalog.com\/products\/skp-sk89474-accessory-drive-belt-tensioner-assembly-fan-or-alternator-and-air-conditioning","provider":"PartCatalog","version":"1.0","type":"link"}