{"product_id":"dayco-89004-accessory-drive-belt-tensioner-pulley","title":"Dayco 89004 Accessory Drive Belt Tensioner Pulley - Right","description":"\u003ch2\u003eReliable Accessory Drive Belt Tensioner Pulley for Chevrolet and Ford\u003c\/h2\u003e\u003cp\u003eThe Dayco 89004 accessory drive belt tensioner pulley is engineered to maintain optimal tension on serpentine belts in select Chevrolet, Ford, GMC, and Lincoln vehicles. Designed with durable polymer material and precise specifications, this pulley supports smooth belt operation and helps prevent premature wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality polymer for durability and reduced noise\u003c\/li\u003e\n\u003cli\u003eFeatures 6 grooves compatible with serpentine belts up to 6 ribs wide\u003c\/li\u003e\n\u003cli\u003eSingle bearing design with a 17mm inner diameter and 12mm bearing width\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet C2500, C2500 Suburban, C3500, GMC K2500, K2500 Suburban, K3500, and Ford Mustang, Thunderbird, Lincoln LS models\u003c\/li\u003e\n\u003cli\u003ePart number 89004 ensures exact fit and reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe Dayco 89004 tensioner pulley is designed with a polymer construction that balances strength and noise reduction. It features six grooves to accommodate serpentine belts with up to six ribs, ensuring proper belt alignment and tension. The pulley includes a single bearing with a 17mm inner diameter and 12mm width, providing smooth rotation and long service life. This component is engineered specifically for accessory drive belt systems in medium to heavy-duty trucks and passenger vehicles, including Chevrolet C2500 and Ford Mustang models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner pulley is compatible with a range of Chevrolet, Ford, GMC, and Lincoln vehicles. It is designed for use in models such as Chevrolet C2500, C2500 Suburban, C3500, GMC K2500, K2500 Suburban, K3500, as well as Ford Mustang, Thunderbird, and Lincoln LS. The part number 89004 ensures precise fitment and reliable operation within these specific applications.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Dayco 89004 Pulley\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt slippage caused by worn or damaged tensioner pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents premature serpentine belt wear due to improper tension\u003c\/li\u003e\n\u003cli\u003eReduces noise and vibration from failing pulley bearings\u003c\/li\u003e\n\u003cli\u003eMaintains proper accessory drive system function for engine components\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine overheating and electrical system failures linked to belt issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco 89004 tensioner pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Inspect the belt for wear and replace if necessary to maximize pulley performance. Use appropriate tools to remove and install the pulley without damaging the bearing or polymer surface. Verify belt tension after installation to confirm correct operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 89004 pulley to meet strict quality standards, using durable polymer materials and precision bearings. This part undergoes rigorous testing to ensure reliable performance in demanding automotive environments. While specific warranty details may vary, Dayco products typically include coverage against manufacturing defects to provide confidence in long-term use.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391576572085,"sku":"BCWL-89004","price":26.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89004_Fro_0a1b69e7-082c-4aaf-af13-7d5be62f7002.jpg?v=1774728832","url":"https:\/\/www.partcatalog.com\/products\/dayco-89004-accessory-drive-belt-tensioner-pulley","provider":"PartCatalog","version":"1.0","type":"link"}