{"product_id":"dayco-89104-accessory-drive-belt-tensioner-pulley-main-drive","title":"Dayco 89104 Accessory Drive Belt Tensioner Pulley - Main Drive","description":"\u003ch2\u003eAccessory Drive Belt Tensioner Pulley for Serpentine Systems\u003c\/h2\u003e\u003cp\u003eThe Dayco 89104 accessory drive belt tensioner pulley is built for serpentine belt systems that rely on smooth pulley rotation and stable belt tracking. With a polymer pulley body and dual bearings, it supports consistent accessory drive operation in applications such as Ford F-150 and Chevrolet Silverado service needs where belt noise or tensioner wear is a concern.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAccessory drive belt tensioner pulley for serpentine belt systems\u003c\/li\u003e\n\u003cli\u003ePolymer pulley construction for reduced mass\u003c\/li\u003e\n\u003cli\u003eDual bearings for smooth rotation\u003c\/li\u003e\n\u003cli\u003eBearing inner diameter: 17 mm on both bearings\u003c\/li\u003e\n\u003cli\u003eBearing width: 24 mm\u003c\/li\u003e\n\u003cli\u003eFlat pulley profile\u003c\/li\u003e\n\u003cli\u003eMaximum belt width: 8-rib\u003c\/li\u003e\n\u003cli\u003eDayco part number 89104\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eDayco 89104 is an accessory drive belt tensioner pulley engineered for serpentine belt routing where a flat pulley surface and 8-rib belt support are required. The pulley uses two bearings with a 17 mm inner diameter and 24 mm bearing width, helping maintain steady belt movement across the accessory drive system. This makes it a practical replacement choice for Ford F-150 and Chevrolet Silverado owners addressing belt drive service on the front accessory drive.\u003c\/p\u003e\u003cp\u003eThis part cross-references Gates 36094 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSquealing or chirping from the serpentine belt area\u003c\/li\u003e\n\u003cli\u003eRough or noisy pulley rotation\u003c\/li\u003e\n\u003cli\u003eVisible pulley wear or bearing play\u003c\/li\u003e\n\u003cli\u003eUneven belt tracking across the accessory drive system\u003c\/li\u003e\n\u003cli\u003eTensioner pulley replacement during belt service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify pulley style, belt width, and bearing dimensions before installation. Confirm the serpentine belt routing and inspect the belt, tensioner arm, and adjacent pulleys for wear at the same time. For fitment-based searches, this Dayco 89104 pulley is the type of part used in Ford F-150 and Chevrolet Silverado accessory drive belt service where an 8-rib flat pulley is specified.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco is a recognized name in belt drive components, and this pulley is built to match the dimensional requirements listed above for accessory drive service.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52396007129269,"sku":"BCWL-89104","price":36.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89104_Fro.jpg?v=1777757502","url":"https:\/\/www.partcatalog.com\/products\/dayco-89104-accessory-drive-belt-tensioner-pulley-main-drive","provider":"PartCatalog","version":"1.0","type":"link"}