{"product_id":"dorman-419-119-accessory-drive-belt-tensioner-assembly","title":"Dorman 419-119 Accessory Drive Belt Tensioner Assembly","description":"\u003ch2\u003eReliable Accessory Drive Belt Tensioner for Chevrolet, Oldsmobile, Pontiac\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-119 accessory drive belt tensioner assembly is engineered to maintain optimal serpentine belt tension for select Chevrolet, Oldsmobile, and Pontiac vehicles. Designed for durability and precise fitment, this tensioner supports smooth engine operation and accessory performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Alero, Cavalier, Malibu; Oldsmobile Alero; Pontiac Grand Am, Sunfire\u003c\/li\u003e\n\u003cli\u003eSerpentine belt type tensioner with a single pulley\u003c\/li\u003e\n\u003cli\u003ePulley diameter: 76.5 mm outside, 17 mm inside diameter\u003c\/li\u003e\n\u003cli\u003ePolyamide 6.6 pulley reinforced with 30% glass fiber for strength\u003c\/li\u003e\n\u003cli\u003eCounterclockwise rotation for proper belt alignment\u003c\/li\u003e\n\u003cli\u003eIncludes one pulley bearing with a 40 mm diameter\u003c\/li\u003e\n\u003cli\u003ePart number 419-119 ensures exact replacement fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-119 accessory drive belt tensioner assembly is designed to provide consistent tension on the serpentine belt system, preventing slippage and ensuring efficient power transfer to engine accessories. The tensioner features a single pulley constructed from polyamide 6.6 reinforced with 30% glass fiber, offering enhanced durability and resistance to wear. The pulley measures 76.5 mm in outside diameter and 17 mm inside diameter, with a 40 mm bearing diameter to support smooth rotation. This assembly rotates counterclockwise, matching the original equipment specifications for proper belt routing and tension.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt squealing caused by improper tension\u003c\/li\u003e\n\u003cli\u003ePrevents premature serpentine belt wear and damage\u003c\/li\u003e\n\u003cli\u003eResolves accessory drive noise related to pulley bearing failure\u003c\/li\u003e\n\u003cli\u003eMaintains consistent belt tension to avoid engine accessory malfunction\u003c\/li\u003e\n\u003cli\u003eAddresses tensioner arm misalignment or failure issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 419-119 tensioner, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Use appropriate tools to relieve tension safely before removal. Verify the tensioner rotates counterclockwise and that the pulley spins freely without noise or resistance. Inspect the serpentine belt for wear and replace if necessary to ensure optimal system performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 419-119 accessory drive belt tensioner assembly undergoes rigorous quality control to ensure durability and reliable operation. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610955022517,"sku":"BKLB-419-119","price":70.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419119_Fro.jpg?v=1774983442","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-119-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}