{"product_id":"dorman-419-647-accessory-drive-belt-tensioner-pulley","title":"Dorman 419-647 Accessory Drive Belt Tensioner Pulley","description":"\u003ch2\u003eOverview of Dorman Accessory Drive Belt Tensioner Pulley 419-647\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-647 accessory drive belt tensioner pulley is designed specifically for Ford Cougar and Mercury Thunderbird models. Engineered with durable polyamide material, this pulley ensures reliable performance in your vehicle's accessory drive belt system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality polyamide for durability\u003c\/li\u003e\n\u003cli\u003eInside diameter: 17 mm for precise fitment\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 78 mm to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eWidth options: 20 mm and 33 mm for compatibility\u003c\/li\u003e\n\u003cli\u003eIncludes two pulley bearings with 24 mm bearing width\u003c\/li\u003e\n\u003cli\u003eDesigned for grooved belt types\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Ford Cougar and Mercury Thunderbird\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 419-647 accessory drive belt tensioner pulley is a critical component in maintaining proper tension on the grooved accessory drive belt of your Ford Cougar or Mercury Thunderbird. Manufactured from polyamide, this pulley offers resistance to wear and heat, contributing to the longevity of the belt system. The pulley features an inside diameter of 17 mm and an outside diameter of 78 mm, ensuring a precise fit and smooth operation. With two high-quality bearings measuring 24 mm in width, the pulley supports consistent rotation and reduces friction. This part is designed specifically for grooved belt types and is tailored to fit the accessory drive belt system components of the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper belt tension to prevent slipping\u003c\/li\u003e\n\u003cli\u003eEliminates noise caused by worn or damaged pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and extends belt life\u003c\/li\u003e\n\u003cli\u003eMaintains alignment of accessory drive belt system\u003c\/li\u003e\n\u003cli\u003eReduces risk of accessory component failure due to belt issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 419-647 accessory drive belt tensioner pulley, ensure the pulley aligns correctly with the belt path on your Ford Cougar or Mercury Thunderbird. Since mounting hardware is not included, reuse the original fasteners or acquire compatible hardware. Verify the pulley bearings rotate smoothly before installation. Proper torque specifications should be followed to avoid damage to the pulley or mounting points. It is recommended to inspect the accessory drive belt for wear and replace it if necessary during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 419-647 pulley to meet or exceed OEM standards for fit, form, and function. The use of polyamide material and dual bearings supports durability and reliable performance. While mounting hardware is not included, the pulley is engineered for specific fitment on Ford Cougar and Mercury Thunderbird models. Please refer to Dorman's warranty policy for coverage details on this accessory drive belt tensioner pulley.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610980384949,"sku":"BKLB-419-647","price":30.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419647_Ang_854566d1-b47d-4766-bb02-2ede3dd1c88c.jpg?v=1774983474","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-647-accessory-drive-belt-tensioner-pulley","provider":"PartCatalog","version":"1.0","type":"link"}