{"product_id":"dorman-419-203-accessory-drive-belt-tensioner-assembly","title":"Dorman 419-203 Accessory Drive Belt Tensioner Assembly","description":"\u003ch2\u003eOverview of Dorman Accessory Drive Belt Tensioner Assembly\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-203 accessory drive belt tensioner assembly is designed for reliable serpentine belt tension in select Ford vehicles. Engineered to maintain optimal belt tension, this component supports smooth operation of your vehicle's accessory drive system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford Bronco, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, F-150, F-250, and F-350 models\u003c\/li\u003e\n\u003cli\u003eSerpentine belt type tensioner with a single pulley\u003c\/li\u003e\n\u003cli\u003ePulley constructed from durable Polyamide 6.6 with 30% glass fiber fill\u003c\/li\u003e\n\u003cli\u003ePulley diameter: 77 mm outside, 17 mm inside\u003c\/li\u003e\n\u003cli\u003eSingle pulley bearing with a 40 mm diameter\u003c\/li\u003e\n\u003cli\u003eCounterclockwise tensioner rotation for proper belt alignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-203 accessory drive belt tensioner assembly is a critical component in the belt drive system of various Ford trucks and vans. It features a single pulley design with no grooves, optimized for serpentine belts. The pulley is made from reinforced polyamide material, providing strength and resistance to wear. With an outside diameter of 77 mm and an inside diameter of 17 mm, the tensioner ensures precise belt positioning. The single bearing with a 40 mm diameter supports smooth rotation and reduces friction, contributing to the longevity of the belt system. The tensioner rotates counterclockwise, matching the original equipment specifications for proper belt tension and alignment.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaintains proper tension on serpentine belts to prevent slipping\u003c\/li\u003e\n\u003cli\u003eReduces belt noise caused by misalignment or wear\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and extends belt life\u003c\/li\u003e\n\u003cli\u003eEliminates vibration and improves accessory drive performance\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged tensioners in Ford Bronco, F-150, and Econoline series vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific Ford model and engine configuration before installation\u003c\/li\u003e\n\u003cli\u003eInspect the serpentine belt for wear and replace if necessary during tensioner installation\u003c\/li\u003e\n\u003cli\u003eUse proper tools to release tension safely and avoid damage to the tensioner or belt\u003c\/li\u003e\n\u003cli\u003eVerify counterclockwise rotation direction during installation to match factory setup\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications for mounting bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 419-203 accessory drive belt tensioner assembly to meet or exceed OEM standards for fit, form, and function. The pulley material and bearing quality are selected to provide durability under typical operating conditions. This part is backed by Dorman's limited warranty, ensuring coverage against defects in material and workmanship for a specified period. Always refer to Dorman's warranty documentation for detailed terms and conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610955907253,"sku":"BKLB-419-203","price":66.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419203_Fro.jpg?v=1774983445","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-203-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}