{"product_id":"gates-36479-accessory-drive-belt-idler-pulley","title":"Gates 36479 Accessory Drive Belt Idler Pulley - Lower","description":"\u003ch2\u003eOE-Style Accessory Drive Belt Idler Pulley\u003c\/h2\u003e\u003cp\u003eThe Gates DriveAlign Premium OE Pulley 36479 is an accessory drive belt idler pulley built for OE-quality fit and function. It is used on select BMW applications where a smooth backside pulley is required for proper belt routing and tension control.\u003c\/p\u003e\u003cp\u003eCompatible with 2007-2010 BMW 335i, 2009-2010 BMW 335i xDrive, 2007-2008 BMW 335xi, 2008-2010 BMW 535i, 2009-2010 BMW 535i xDrive, 2010 BMW 535i GT, 2008 BMW 535xi, 2008-2010 BMW 135i, 2011 BMW 1 Series M, and 2011-2013 BMW 335is in the lower position.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGates DriveAlign Premium OE Pulley line for OE-style replacement fit\u003c\/li\u003e\n\u003cli\u003eAccessory drive belt idler pulley for the lower belt path\u003c\/li\u003e\n\u003cli\u003eSmooth\/backside contact surface with no grooves\u003c\/li\u003e\n\u003cli\u003eThermoplastic pulley construction\u003c\/li\u003e\n\u003cli\u003eOE Exact comparison rating for application matching\u003c\/li\u003e\n\u003cli\u003eIncludes pulley, bolt, and retainer in the listed contents\u003c\/li\u003e\n\u003cli\u003eCross-references Continental 50053 and Dayco 89518 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003ePart number 36479 is engineered as a single-pulley solution for accessory drive belt systems. The pulley measures 90 mm outside diameter, 30 mm width, and uses 10 mm and 18 mm bearing bore inside diameters. Its smooth backside contact surface supports belt tracking where a non-grooved idler is specified. The DriveAlign Premium OE Pulley line focuses on OE-quality fit for passenger cars and light trucks, and this unit is listed as an exact OE comparison match.\u003c\/p\u003e\u003cp\u003eFor BMW 335i, BMW 535i, BMW 135i, and related models, Gates 36479 is a direct-fit lower idler pulley option for restoring proper belt path operation. The part number 36479 is also referenced by other aftermarket catalogs for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn or noisy accessory belt idler pulley\u003c\/li\u003e\n\u003cli\u003eBelt misalignment at the lower pulley location\u003c\/li\u003e\n\u003cli\u003eRough pulley rotation that can affect belt operation\u003c\/li\u003e\n\u003cli\u003eVisible pulley wear on the smooth backside contact surface\u003c\/li\u003e\n\u003cli\u003eReplacement need during accessory drive belt service on BMW applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the lower pulley location and compare the existing pulley dimensions before installation. Confirm the belt routing matches the vehicle’s accessory drive layout and inspect the belt, tensioner, and adjacent pulleys for wear at the same time. Use the included bolt and retainer only if they match the vehicle’s service requirements and follow the manufacturer service procedure for torque and alignment.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates positions the DriveAlign Premium OE Pulley line as an OE-quality replacement series for passenger cars and light trucks. This pulley is built to OE Exact comparison standards for the listed BMW fitments, including 2007-2010 BMW 335i and 2008-2010 BMW 535i applications.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45311351914677,"sku":"BBSC-36479","price":57.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_36479_Top.jpg?v=1775146702","url":"https:\/\/www.partcatalog.com\/products\/gates-36479-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}