{"product_id":"dayco-89452-accessory-drive-belt-tensioner-assembly-fan-or-alternator-and-air-conditioning","title":"Dayco 89452 Accessory Drive Belt Tensioner Assembly - Fan or  Alternator and Air Conditioning","description":"\u003ch2\u003eOverview of Dayco Accessory Drive Belt Tensioner Assembly 89452\u003c\/h2\u003e\u003cp\u003eThe Dayco 89452 accessory drive belt tensioner assembly is designed to maintain optimal tension on serpentine belts in automotive engines. Featuring an automatic tensioner with a single pulley, this component supports smooth operation and longevity of the belt system in various vehicle applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSerpentine belt type compatibility\u003c\/li\u003e\n\u003cli\u003eCounter clockwise rotation direction\u003c\/li\u003e\n\u003cli\u003eSingle pulley design with 86.5 mm diameter\u003c\/li\u003e\n\u003cli\u003ePulley width of 39.4 mm with a flat surface\u003c\/li\u003e\n\u003cli\u003eAutomatic tensioner for consistent belt tension\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Dayco accessory drive belt tensioner assembly (part number 89452) is engineered for vehicles requiring a serpentine belt system with a counter clockwise tensioner rotation. The assembly includes one pulley measuring 86.5 mm in diameter and 39.4 mm in width, featuring a flat pulley surface to ensure proper belt alignment and reduce wear. The automatic tensioner mechanism adjusts belt tension dynamically, helping to prevent slippage and maintain engine accessory performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis tensioner assembly is compatible with a range of vehicles that utilize serpentine belt systems with similar specifications. It is commonly used in automotive makes and models requiring a counter clockwise tensioner rotation and a single flat pulley design. The Dayco 89452 tensioner assembly addresses issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive belt slack causing noise or slipping\u003c\/li\u003e\n\u003cli\u003ePremature belt wear due to improper tension\u003c\/li\u003e\n\u003cli\u003eVibration or misalignment in the accessory drive system\u003c\/li\u003e\n\u003cli\u003eFailure of manual tensioners leading to inconsistent belt tension\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco 89452 tensioner assembly, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Verify the tensioner rotates counter clockwise and that the pulley aligns with the belt path. Use appropriate tools to relieve tension safely during removal and installation. Double-check pulley alignment to avoid belt damage and ensure optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 89452 accessory drive belt tensioner assembly to meet OEM standards for durability and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to Dayco’s official documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52149212971189,"sku":"BCWL-89452","price":140.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89452_Fro.jpg?v=1775588032","url":"https:\/\/www.partcatalog.com\/products\/dayco-89452-accessory-drive-belt-tensioner-assembly-fan-or-alternator-and-air-conditioning","provider":"PartCatalog","version":"1.0","type":"link"}