{"product_id":"dayco-89586-accessory-drive-belt-idler-pulley","title":"Dayco 89586 Accessory Drive Belt Idler Pulley - Right","description":"\u003ch2\u003eDayco 89586 Accessory Drive Belt Idler Pulley\u003c\/h2\u003e\u003cp\u003eDayco 89586 is an accessory drive belt idler pulley built for serpentine belt systems. It is a polymer pulley with two bearings, a flat running surface, and a maximum belt width of 7 rib, making it a direct-fit service part for select BMW applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAccessory drive belt idler pulley for serpentine belt routing\u003c\/li\u003e\n\u003cli\u003ePolymer pulley construction\u003c\/li\u003e\n\u003cli\u003eFlat belt surface\u003c\/li\u003e\n\u003cli\u003eTwo-bearing design for smooth belt tracking\u003c\/li\u003e\n\u003cli\u003eBearing inner diameter: 24.97 mm\u003c\/li\u003e\n\u003cli\u003eBearing width: 24 mm\u003c\/li\u003e\n\u003cli\u003eMaximum belt width: 7 rib\u003c\/li\u003e\n\u003cli\u003eFits right-side applications on select BMW models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2013-2015 BMW X1, right.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2013 BMW 135i, right.\u003c\/li\u003e\n\u003cli\u003eFits 2013 BMW 135is, right.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2012 BMW 335i, right.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2012 BMW 335i xDrive, right.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDayco 89586 is an accessory drive belt idler pulley for serpentine belt systems used on select BMW X1, BMW 135i, BMW 135is, BMW 335i, and BMW 335i xDrive applications. The polymer pulley and dual-bearing layout are specified to maintain belt alignment and provide a stable running surface for the accessory drive belt. This part number, 89586, is a fitment-specific replacement for right-side service on the listed vehicles.\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 Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or noisy idler pulley on a serpentine belt system\u003c\/li\u003e\n\u003cli\u003eRestoring proper belt routing on BMW accessory drive systems\u003c\/li\u003e\n\u003cli\u003eAddressing belt squeal caused by pulley wear or bearing roughness\u003c\/li\u003e\n\u003cli\u003eCorrecting belt tracking issues on the right-side pulley position\u003c\/li\u003e\n\u003cli\u003eServicing a damaged pulley surface on BMW X1, 135i, 135is, or 335i applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the right-side position and confirm the pulley matches the vehicle’s serpentine belt configuration before installation. Inspect the belt, tensioner, and adjacent accessory drive components for wear while servicing the pulley. Confirm bearing dimensions and belt width requirements against the original part to ensure proper fitment.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco manufactures accessory drive components for service replacement applications, and this pulley is built to match the listed BMW fitments and dimensional requirements.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391606554805,"sku":"BCWL-89586","price":56.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89586_Fro_c465b4fd-213e-4dda-9816-045c107f84e3.jpg?v=1774728939","url":"https:\/\/www.partcatalog.com\/products\/dayco-89586-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}