{"product_id":"dayco-89472-accessory-drive-belt-tensioner-assembly-air-conditioning-fan-or-fan-and-air-conditioning","title":"Dayco 89472 Accessory Drive Belt Tensioner Assembly - Air Conditioning, Fan or Fan and Air Conditioning","description":"\u003ch2\u003eAccessory Drive Belt Tensioner Assembly\u003c\/h2\u003e\u003cp\u003eThe Dayco 89472 accessory drive belt tensioner assembly is an automatic serpentine belt tensioner built for consistent belt control in the accessory drive system. It uses a single 74 mm flat pulley with a 42.6 mm width and counter clockwise rotation to maintain proper belt tension and help keep the serpentine belt tracking correctly.\u003c\/p\u003e\u003cp\u003eFor drivers searching for a Dayco 89472 serpentine belt tensioner assembly or an OE-style replacement for accessory drive belt service, this part is built around the key dimensions and rotation needed for the application. It is also a direct cross-reference to ACDelco 38646 for the same application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dayco\u003c\/li\u003e\n\u003cli\u003ePart number: 89472\u003c\/li\u003e\n\u003cli\u003eAccessory drive belt tensioner assembly\u003c\/li\u003e\n\u003cli\u003eSerpentine belt type\u003c\/li\u003e\n\u003cli\u003eAutomatic tensioner design\u003c\/li\u003e\n\u003cli\u003eCounter clockwise rotation\u003c\/li\u003e\n\u003cli\u003e1 pulley with 74 mm diameter\u003c\/li\u003e\n\u003cli\u003eFlat pulley profile with 42.6 mm width\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis Dayco 89472 tensioner assembly is intended for vehicles that use a serpentine accessory drive belt system and require automatic belt tension control. The pulley dimensions, flat profile, and counter clockwise direction are important for proper belt routing and stable operation. When replacing a worn tensioner on a Dayco 89472 application, matching the belt type and rotation is essential for correct installation and performance.\u003c\/p\u003e\u003cp\u003eSearches for accessory drive belt tensioner assembly, serpentine belt tensioner, and Dayco 89472 often relate to belt noise, belt tracking, or tension loss in the engine accessory drive. This part is a practical replacement choice for those service needs on the correct vehicle application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSerpentine belt squeal caused by weak belt tension\u003c\/li\u003e\n\u003cli\u003eBelt flutter or inconsistent belt tracking\u003c\/li\u003e\n\u003cli\u003eAccessory drive noise from a worn tensioner pulley\u003c\/li\u003e\n\u003cli\u003eLoss of proper automatic belt tension control\u003c\/li\u003e\n\u003cli\u003eWear related to an aging belt tensioner assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the belt type, pulley diameter, pulley width, and counter clockwise rotation before installation. Compare the original tensioner to the Dayco 89472 and confirm the serpentine belt routing matches the vehicle’s accessory drive layout. For best results, inspect the belt and adjacent pulleys during service and replace any worn components at the same time.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco is a recognized name in belts and cooling and accessory drive components. This tensioner assembly is built to match the listed application details and cross-references ACDelco 38646, CARQUEST 38646, Gates 38646, NAPA 38646, and Duralast 89472 for the same application.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52396007325877,"sku":"BCWL-89472","price":167.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89472_Fro.jpg?v=1777757538","url":"https:\/\/www.partcatalog.com\/products\/dayco-89472-accessory-drive-belt-tensioner-assembly-air-conditioning-fan-or-fan-and-air-conditioning","provider":"PartCatalog","version":"1.0","type":"link"}