{"product_id":"dorman-419-378-accessory-drive-belt-tensioner-assembly","title":"Dorman 419-378 Accessory Drive Belt Tensioner Assembly","description":"\u003ch2\u003eReliable Accessory Drive Belt Tensioner for Ford Trucks\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-378 Accessory Drive Belt Tensioner Assembly is engineered to maintain optimal belt tension in Ford trucks, including the E-350 Super Duty, F-150, F-250 Super Duty, and F-350 models. Constructed with durable aluminum, this tensioner ensures consistent performance and longevity under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality aluminum for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHexagonal bolt head type for secure and easy installation\u003c\/li\u003e\n\u003cli\u003eFlanged pulley design enhances belt alignment and reduces slippage\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford E-350 Super Duty, F-150, F-250 Super Duty, and F-350 models\u003c\/li\u003e\n\u003cli\u003ePart number 419-378 ensures precise fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Aluminum Construction and Design Features\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner assembly features an aluminum body and pulley, providing a lightweight yet robust component that resists wear and corrosion. The pulley has a flanged design to help maintain proper belt tracking, reducing the risk of belt misalignment or premature wear. The tensioner’s hexagonal bolt head type allows for straightforward installation using standard tools. With an outside diameter and width of 73.66 mm, it fits precisely within the accessory drive system of compatible Ford trucks.\u003c\/p\u003e\u003ch2\u003eCompatible Ford Models and Part Number Details\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-378 tensioner assembly is specifically designed for use with Ford E-350 Super Duty, F-150, F-250 Super Duty, and F-350 trucks. Using the correct part number ensures compatibility and reliable operation within the accessory drive belt system. This part is engineered to maintain proper belt tension, which is critical for the performance of engine-driven accessories such as the alternator, power steering pump, and air conditioning compressor.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Tensioner\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt slippage caused by worn or weak tensioners\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear due to misalignment\u003c\/li\u003e\n\u003cli\u003eReduces noise from loose or failing belt tension components\u003c\/li\u003e\n\u003cli\u003eMaintains consistent belt tension for optimal accessory performance\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine overheating by ensuring proper operation of the water pump belt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires standard hand tools compatible with hexagonal bolt heads. Ensure the belt is properly routed before tensioner installation. Rotate the tensioner clockwise or counter-clockwise as needed to relieve belt tension during replacement. Verify pulley alignment and belt tension after installation to prevent premature wear or noise.\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. The aluminum construction provides durability and corrosion resistance for extended service life. While specific warranty details are not provided, Dorman parts typically come with a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52123109720245,"sku":"BKLB-419-378","price":151.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419378_Fro.jpg?v=1775162847","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-378-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}