{"product_id":"dayco-89947-accessory-drive-belt-tensioner-assembly-main-drive","title":"Dayco 89947 Accessory Drive Belt Tensioner Assembly - Main Drive","description":"\u003ch2\u003eAccessory Drive Belt Tensioner Assembly for Serpentine Systems\u003c\/h2\u003e\u003cp\u003eDayco 89947 is an automatic accessory drive belt tensioner assembly for serpentine belt systems. It is built with a clockwise operating direction and a 3-pulley layout to maintain proper belt tension and routing in the accessory drive system.\u003c\/p\u003e\u003cp\u003eReplaces 89498 and 89498A, making Dayco 89947 a direct-reference option for service work on select vehicle applications, including Honda Civic and Acura Integra fitments where this tensioner assembly is specified.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAccessory drive belt tensioner assembly for serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eAutomatic tensioning design for consistent belt load control\u003c\/li\u003e\n\u003cli\u003eClockwise direction\u003c\/li\u003e\n\u003cli\u003e3-pulley configuration\u003c\/li\u003e\n\u003cli\u003ePulley 1: 74 mm diameter, 40.5 mm width, flat surface\u003c\/li\u003e\n\u003cli\u003ePulley 2: 74 mm diameter, 32.9 mm width, flat surface\u003c\/li\u003e\n\u003cli\u003eDayco 89947 replaces 89498 and 89498A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dayco accessory drive belt tensioner assembly is engineered for serpentine belt routing in the accessory drive belt system. The automatic design helps maintain belt tension as engine speed and accessory load change, while the clockwise rotation and dual flat pulleys support proper alignment in the belt path. For buyers searching for a Dayco 89947 tensioner assembly, this part number is tied to replacement applications that include Honda Civic and Acura Integra service needs.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoose or inconsistent serpentine belt tension\u003c\/li\u003e\n\u003cli\u003eBelt squeal caused by worn tensioner components\u003c\/li\u003e\n\u003cli\u003eImproper belt tracking in the accessory drive system\u003c\/li\u003e\n\u003cli\u003eNoise from a failing automatic tensioner assembly\u003c\/li\u003e\n\u003cli\u003eReduced accessory drive belt stability under changing engine load\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify belt routing, pulley alignment, and rotation direction before installation. Inspect the serpentine belt, idler pulleys, and related accessory drive components for wear at the same time, since a worn belt or damaged pulley can shorten the service life of the new tensioner. Confirm the replacement matches the original part number and application details for your vehicle before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco is a recognized name in accessory drive belt system components, and this tensioner assembly is built to replace the specified OE-style references 89498 and 89498A. Use the confirmed vehicle application data for Honda Civic and Acura Integra fitments when selecting the correct Dayco 89947 part.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52412236234933,"sku":"BCWL-89947","price":181.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89947_Fro.jpg?v=1777786421","url":"https:\/\/www.partcatalog.com\/products\/dayco-89947-accessory-drive-belt-tensioner-assembly-main-drive","provider":"PartCatalog","version":"1.0","type":"link"}