{"product_id":"skp-sk89101-accessory-drive-belt-idler-pulley","title":"SKP SK89101 Accessory Drive Belt Idler Pulley","description":"\u003ch2\u003eAccessory Drive Idler Pulley Overview\u003c\/h2\u003e\u003cp\u003eThe SKP SK89101 accessory drive belt idler pulley is a direct replacement for a wide range of heavy-duty truck and bus applications. It helps maintain proper belt routing and tension so engine-driven accessories can operate smoothly.\u003c\/p\u003e\u003cp\u003eCompatible With Freightliner, International, and Peterbilt applications, this idler pulley is built for service in accessory drive systems where belt stability matters. The SK89101 part number is a useful reference when matching the correct pulley for the application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAccessory drive belt idler pulley for belt routing and tension control\u003c\/li\u003e\n\u003cli\u003eDurable construction for wear resistance in demanding service\u003c\/li\u003e\n\u003cli\u003e74mm x 39.5mm notes listed across confirmed applications\u003c\/li\u003e\n\u003cli\u003eFits multiple positions including air conditioning, fan, alternator, and water pump drive systems\u003c\/li\u003e\n\u003cli\u003eCross-references Dayco 89101 and Febi-Bilstein 36091 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eThis pulley is confirmed for a broad range of commercial vehicles, including Fits 2002-2009 International 5500i, air conditioning; Fits 2004-2008 Kenworth W900, smooth pulley; and Fits 2004-2007 Freightliner Columbia, smooth pulley. It also appears in applications for Peterbilt 379, Freightliner FLD120, and International 9400i SBA. The SK89101 part number should be matched to the exact belt system configuration shown in the fitment data.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBelt noise caused by a worn pulley surface\u003c\/li\u003e\n\u003cli\u003eUneven belt tracking in accessory drive systems\u003c\/li\u003e\n\u003cli\u003eLoss of proper belt tension from pulley wear\u003c\/li\u003e\n\u003cli\u003eAccessory drive vibration related to pulley condition\u003c\/li\u003e\n\u003cli\u003ePremature belt wear from a damaged idler pulley\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify pulley diameter, width, and belt system configuration before installation. Confirm the listed position and notes for the vehicle, since this part is used in multiple accessory drive layouts across Freightliner, International, and Peterbilt models. Match the SK89101 part number to the original application data before service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKP describes this pulley as a durable replacement built to resist wear in accessory drive service. The SK89101 is intended for long-term operation in heavy-duty belt systems where consistent tension and alignment are required.\u003c\/p\u003e","brand":"SKP","offers":[{"title":"Default Title","offer_id":53262744256693,"sku":"GQLW-SK89101","price":23.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/5K_SK89101_Fro.jpg?v=1789364671","url":"https:\/\/www.partcatalog.com\/products\/skp-sk89101-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}