{"product_id":"dorman-419-001-accessory-drive-belt-tensioner-assembly","title":"Dorman 419-001 Accessory Drive Belt Tensioner Assembly - Main Drive","description":"\u003ch2\u003eReliable Accessory Drive Belt Tensioner for Ford Super Duty Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-001 accessory drive belt tensioner assembly is engineered to maintain optimal tension on serpentine belts in select Ford trucks and vans. Designed specifically for Ford E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty models, this tensioner ensures consistent belt performance and longevity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty\u003c\/li\u003e\n\u003cli\u003ePart number 419-001 for precise identification\u003c\/li\u003e\n\u003cli\u003eSteel pulley with a 40 mm bearing diameter for durability\u003c\/li\u003e\n\u003cli\u003eSingle pulley design with one pulley bearing\u003c\/li\u003e\n\u003cli\u003eSerpentine belt type tensioner with counterclockwise and clockwise rotation\u003c\/li\u003e\n\u003cli\u003eDimensions: 76 mm outside diameter, 20 mm inside diameter, 30-31 mm width\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-001 tensioner assembly features a robust steel pulley constructed to withstand the rigors of heavy-duty use. The pulley diameter measures 76 mm externally with a 40 mm bearing diameter, supporting smooth rotation and reducing wear on the serpentine belt. This assembly includes one pulley with a single bearing, designed for serpentine belt systems commonly found in Ford Super Duty trucks and vans. The tensioner supports both counterclockwise and clockwise rotation, accommodating various engine configurations. With widths ranging from 30 to 31 mm and an inside diameter of 20 mm, this tensioner fits precisely within the accessory drive belt system.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner assembly is used to maintain proper tension on the serpentine belt, preventing slippage and ensuring efficient operation of engine accessories.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt slippage and squealing noises\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and damage\u003c\/li\u003e\n\u003cli\u003eReduces risk of accessory drive system failure\u003c\/li\u003e\n\u003cli\u003eMaintains consistent tension for optimal engine performance\u003c\/li\u003e\n\u003cli\u003eAddresses issues related to pulley bearing wear or failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 419-001 tensioner, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Verify the tensioner rotation direction matches the engine setup, as this model supports both counterclockwise and clockwise rotation. Use appropriate tools to relieve tension safely and avoid damage to the tensioner or belt. Inspect the belt and other drive components for wear during installation to ensure overall system reliability.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this accessory drive belt tensioner assembly to meet or exceed OEM specifications for fit, form, and function. The steel pulley and bearing components are designed for durability under heavy-duty conditions typical of Ford Super Duty trucks and vans. This part is backed by Dorman’s standard warranty, providing coverage against defects in materials and workmanship for a specified period, ensuring confidence in your replacement part.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610950434997,"sku":"BKLB-419-001","price":112.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419001_Fro.jpg?v=1774983428","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-001-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}