{"product_id":"dayco-89159-accessory-drive-belt-idler-pulley-main-drive","title":"Dayco 89159 Accessory Drive Belt Idler Pulley - Main Drive","description":"\u003ch2\u003eReliable Accessory Drive Belt Idler Pulley for Select GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dayco 89159 accessory drive belt idler pulley is engineered to maintain proper tension and alignment of serpentine belts in various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable steel construction, this pulley supports efficient belt operation and helps prevent premature wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from robust steel for long-lasting durability\u003c\/li\u003e\n\u003cli\u003eCompatible with serpentine belt systems up to 6 ribs wide\u003c\/li\u003e\n\u003cli\u003eSingle bearing design with a 17mm inner diameter and 17mm bearing width\u003c\/li\u003e\n\u003cli\u003eFlat pulley profile suitable for specific accessory drive configurations\u003c\/li\u003e\n\u003cli\u003eFits multiple GM models including Buick Aurora, Cadillac DeVille, Chevrolet Camaro, and Pontiac GTO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dayco 89159 idler pulley features a steel body that ensures strength and resistance to wear under continuous engine operation. It is designed for serpentine belt systems with a maximum belt width of 6 ribs, making it suitable for a wide range of accessory drive applications. The pulley incorporates a single bearing with a 17mm inner diameter and 17mm width, providing smooth rotation and reliable belt tension. Its flat design supports proper belt tracking and reduces the risk of belt slippage or misalignment.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt idler pulley is compatible with several General Motors vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Aurora and Lucerne\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille, DTS, Eldorado, and Seville\u003c\/li\u003e\n\u003cli\u003eChevrolet Camaro and G8\u003c\/li\u003e\n\u003cli\u003eOldsmobile Intrigue\u003c\/li\u003e\n\u003cli\u003ePontiac Bonneville, Firebird, GTO, and Grand Prix\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by the Dayco 89159 Idler Pulley\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt misalignment and slipping in serpentine belt systems\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear caused by faulty or worn pulleys\u003c\/li\u003e\n\u003cli\u003eReduces noise and vibration from accessory drive components\u003c\/li\u003e\n\u003cli\u003eMaintains proper belt tension for optimal engine accessory performance\u003c\/li\u003e\n\u003cli\u003eSupports smooth operation of alternator, power steering, and air conditioning belts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco 89159 idler pulley, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Verify that the pulley bearing rotates smoothly without resistance or noise before installation. Use appropriate tools to torque the pulley bolt to manufacturer specifications to avoid over-tightening or damage. Regular inspection of the pulley and belt system is recommended to maintain optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 89159 idler pulley to meet or exceed OEM standards for fit, form, and function. The steel construction and precision bearing design contribute to reliable service life. While specific warranty details are not provided, Dayco products typically come with a limited warranty against defects in materials and workmanship. Refer to Dayco’s official documentation for complete warranty information.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51847583826101,"sku":"BCWL-89159","price":52.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89159_Fro.jpg?v=1774728860","url":"https:\/\/www.partcatalog.com\/products\/dayco-89159-accessory-drive-belt-idler-pulley-main-drive","provider":"PartCatalog","version":"1.0","type":"link"}