{"product_id":"dorman-419-122-accessory-drive-belt-tensioner-assembly","title":"Dorman 419-122 Accessory Drive Belt Tensioner Assembly - Water Pump","description":"\u003ch2\u003eOverview of Dorman Accessory Drive Belt Tensioner Assembly 419-122\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-122 accessory drive belt tensioner assembly is engineered for reliable serpentine belt tension in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed to maintain optimal belt tension, this component supports smooth operation of engine accessories in models such as the Aurora, Bonneville, DeVille, DTS, Eldorado, Lucerne, and Seville.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with serpentine belt systems on Buick, Cadillac, Oldsmobile, and Pontiac vehicles\u003c\/li\u003e\n\u003cli\u003eFeatures a composite pulley with a 40 mm bearing diameter for durability\u003c\/li\u003e\n\u003cli\u003eSingle pulley design with three grooves to match belt profile\u003c\/li\u003e\n\u003cli\u003eClockwise (CW) tensioner rotation for proper belt alignment\u003c\/li\u003e\n\u003cli\u003eDimensions: 17 mm inside diameter, 15 mm width, 53.5 mm outside diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-122 tensioner assembly includes a composite pulley constructed to withstand wear while reducing weight. The pulley contains one bearing with a 40 mm diameter, ensuring smooth rotation and extended service life. Its three-groove design aligns precisely with serpentine belts used in the specified vehicle models. The tensioner rotates clockwise, which is critical for maintaining correct belt tension and preventing slippage or premature wear. With an inside diameter of 17 mm, width of 15 mm, and outside diameter of 53.5 mm, this tensioner fits the accessory drive belt system components of the listed vehicles accurately.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner assembly is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Aurora and Lucerne\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille, DTS, Seville\u003c\/li\u003e\n\u003cli\u003eOldsmobile Aurora\u003c\/li\u003e\n\u003cli\u003ePontiac Bonneville and Eldorado\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed specifically for serpentine belt systems in these vehicles, ensuring proper tension and alignment for accessory components such as the alternator, power steering pump, and air conditioning compressor.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Tensioner Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt slippage caused by insufficient tension\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and cracking\u003c\/li\u003e\n\u003cli\u003eReduces noise from loose or misaligned belts\u003c\/li\u003e\n\u003cli\u003eMaintains consistent accessory drive performance\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine overheating due to accessory failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the serpentine belt is properly routed before installing the tensioner\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to apply tension and secure the assembly\u003c\/li\u003e\n\u003cli\u003eVerify clockwise rotation direction during installation\u003c\/li\u003e\n\u003cli\u003eInspect the belt and pulleys for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific service manual instructions for torque specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 419-122 accessory drive belt tensioner assembly to meet or exceed OEM standards for fit, form, and function. The composite pulley and bearing are tested for durability and performance under typical operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty policy for detailed terms and conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610955120821,"sku":"BKLB-419-122","price":68.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419122_Fro.jpg?v=1774983442","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-122-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}