{"product_id":"dorman-419-036-accessory-drive-belt-tensioner-assembly","title":"Dorman 419-036 Accessory Drive Belt Tensioner Assembly - Alternator and Water Pump","description":"\u003ch2\u003eOverview of Dorman Accessory Drive Belt Tensioner Assembly 419-036\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-036 accessory drive belt tensioner assembly is engineered for reliable performance in various BMW models. Designed to maintain proper tension on V-belts, this tensioner assembly supports smooth operation of your vehicle's accessory drive system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 320i, 323Ci, 323i, 325i, 325is, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, 525i, 525iT, 528i, 530i, M3, X3, X5, Z3, and Z4 models\u003c\/li\u003e\n\u003cli\u003ePart number 419-036 ensures precise fit and function\u003c\/li\u003e\n\u003cli\u003eFeatures a single polyamide 6.6 pulley reinforced with 30% glass fiber for durability\u003c\/li\u003e\n\u003cli\u003eIncludes one pulley bearing with a 40 mm diameter for smooth rotation\u003c\/li\u003e\n\u003cli\u003eDesigned for V-belt systems with a 16 mm inside diameter and 26 mm width\u003c\/li\u003e\n\u003cli\u003eCounterclockwise tensioner rotation for proper belt alignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner assembly by Dorman is built to exacting standards to meet the demands of BMW vehicles listed in the fitment. The pulley has an outside diameter of 70 mm and is constructed from polyamide 6.6 with 30% glass fiber fill, providing a balance of strength and lightweight performance. The assembly includes one pulley with no grooves, optimized for V-belt applications. The single bearing incorporated has a 40 mm diameter, ensuring smooth and consistent rotation. The tensioner rotates counterclockwise, matching the original equipment specifications for proper belt tension and alignment.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis tensioner assembly is used to maintain correct tension on the accessory drive belt, which is critical for the operation of components such as the alternator, power steering pump, and air conditioning compressor. It addresses common issues including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive belt slack causing slipping or noise\u003c\/li\u003e\n\u003cli\u003ePremature belt wear due to improper tension\u003c\/li\u003e\n\u003cli\u003eVibration or misalignment in the accessory drive system\u003c\/li\u003e\n\u003cli\u003eFailure of pulley bearings leading to rough operation\u003c\/li\u003e\n\u003cli\u003eReduced accessory component performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 419-036 tensioner assembly, ensure the belt type matches the V-belt specifications (16 mm inside diameter, 26 mm width). Verify the tensioner rotation direction is counterclockwise to align with the vehicle’s original setup. Inspect the accessory drive belt for wear and replace if necessary to ensure optimal performance. Proper torque specifications should be followed during installation to avoid damage to the tensioner or mounting points.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this accessory drive belt tensioner assembly to meet or exceed OEM standards for fit, form, and function. The use of durable materials such as polyamide 6.6 with glass fiber reinforcement and precision bearings contributes to long service life. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610952761525,"sku":"BKLB-419-036","price":65.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419036_Fro.jpg?v=1774983435","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-036-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}