{"product_id":"dorman-419-632-accessory-drive-belt-tensioner-pulley","title":"Dorman 419-632 Accessory Drive Belt Tensioner Pulley - Water Pump","description":"\u003ch2\u003eOverview of Dorman Accessory Drive Belt Tensioner Pulley 419-632\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-632 accessory drive belt tensioner pulley is engineered for specific fitment on select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed with durable polyamide material, this pulley ensures reliable performance in the accessory drive belt system of vehicles like the Buick Aurora and Cadillac DeVille.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality polyamide for durability\u003c\/li\u003e\n\u003cli\u003eInside diameter of 17 mm and outside diameter of 53 mm\u003c\/li\u003e\n\u003cli\u003eFeatures 3 grooves compatible with grooved belt types\u003c\/li\u003e\n\u003cli\u003eWidth dimensions of 15 mm and 9 mm for precise fit\u003c\/li\u003e\n\u003cli\u003eIncludes one pulley bearing with a 12 mm bearing width\u003c\/li\u003e\n\u003cli\u003eSpecific fit for models including Cadillac DTS, Eldorado, Lucerne, Seville, and STS\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-632 accessory drive belt tensioner pulley is designed to maintain proper tension on the grooved accessory drive belt, ensuring smooth operation of engine components. Its polyamide construction offers resistance to wear and heat, which is critical for maintaining belt alignment and reducing noise. The pulley’s 3-groove design matches the belt profile used in various GM vehicles, including the Pontiac Bonneville and Oldsmobile models. With an inside diameter of 17 mm and an outside diameter of 53 mm, this pulley fits precisely within the tensioner assembly, supported by a single bearing with a 12 mm width to provide stable rotation under load.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner pulley is specifically compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Aurora\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille, DTS, Eldorado, Lucerne, Seville, STS\u003c\/li\u003e\n\u003cli\u003eOldsmobile (specific models)\u003c\/li\u003e\n\u003cli\u003ePontiac Bonneville\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace worn or damaged pulleys that can cause belt slippage, noise, or improper tension in the accessory drive system.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Pulley\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt slippage caused by worn tensioner pulleys\u003c\/li\u003e\n\u003cli\u003eReduces noise from misaligned or damaged pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear due to improper tension\u003c\/li\u003e\n\u003cli\u003eRestores proper accessory drive belt routing and tension\u003c\/li\u003e\n\u003cli\u003eImproves overall engine accessory performance and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 419-632 pulley requires removal of the existing tensioner pulley. Since mounting hardware is not included, reuse of original fasteners is necessary unless replacements are sourced separately. Ensure the pulley grooves align correctly with the belt profile and verify the bearing rotates smoothly before final assembly. Proper torque specifications should be followed according to vehicle service manuals for Buick, Cadillac, Oldsmobile, and Pontiac models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this accessory drive belt tensioner pulley to meet or exceed OEM specifications for fit and function. The polyamide material and bearing quality are selected to provide consistent performance under normal operating conditions. While mounting hardware is not included, the pulley itself is backed by Dorman’s standard warranty coverage, ensuring reliability and customer confidence in replacement parts for Buick Aurora, Cadillac DeVille, and other compatible vehicles.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610979238069,"sku":"BKLB-419-632","price":48.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419632_Fro.jpg?v=1774983470","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-632-accessory-drive-belt-tensioner-pulley","provider":"PartCatalog","version":"1.0","type":"link"}