{"product_id":"dorman-43-721hd-leaf-spring-assembly-rear","title":"Dorman 43-721HD Leaf Spring Assembly - Rear","description":"\u003ch2\u003eDurable Leaf Spring Assembly for Ford F-350 Rear Suspension\u003c\/h2\u003e\u003cp\u003eThe Dorman 43-721HD leaf spring assembly is engineered to provide reliable heavy-duty suspension support for Ford F-350 trucks. Designed with high-quality steel and a robust 12-leaf configuration, this rear axle leaf spring assembly offers consistent load handling and durability for demanding applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable steel material for strength and longevity\u003c\/li\u003e\n\u003cli\u003eHeavy-duty suspension grade with a 4500 lb load rate capacity\u003c\/li\u003e\n\u003cli\u003e12 leaves with 2.25-inch width for enhanced support and stability\u003c\/li\u003e\n\u003cli\u003eBlack finish with black bushings included for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for rear axle orientation with no axle modification required\u003c\/li\u003e\n\u003cli\u003eIncludes bushings but does not include mounting hardware\u003c\/li\u003e\n\u003cli\u003eLeaf spring arch length of 4.75 inches and pack thickness of 4.812 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 43-721HD leaf spring assembly is specifically designed for the rear suspension of Ford F-350 trucks. It features a 12-leaf pack made from high-grade steel, providing a load rate of 4500 pounds suitable for heavy-duty use. The assembly comes with black bushings pre-installed, ensuring smooth operation and reducing wear. With a leaf width of 2.25 inches and an arch length of 4.75 inches, this leaf spring maintains proper ride height and suspension performance without requiring any axle modifications. The black finish helps protect against rust and environmental damage, extending the service life of the component.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores rear suspension support for Ford F-350 trucks under heavy loads\u003c\/li\u003e\n\u003cli\u003eReplaces worn or broken leaf springs causing sagging or uneven ride height\u003c\/li\u003e\n\u003cli\u003eImproves vehicle stability and load handling for towing and hauling\u003c\/li\u003e\n\u003cli\u003eAddresses suspension noise or bushing wear with included bushings\u003c\/li\u003e\n\u003cli\u003eMaintains proper axle alignment and suspension geometry without modifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 43-721HD leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, ensure you have the correct bolts and U-bolts for your Ford F-350 model year. No axle modifications are necessary, simplifying the replacement process. It is recommended to inspect related suspension components such as shackles and bushings during installation to ensure optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this leaf spring assembly to meet or exceed OEM specifications for durability and performance. The product includes bushings to reduce maintenance needs and improve ride quality. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51895355769013,"sku":"BKKY-43-721HD","price":383.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_43721HD_Fro.jpg?v=1774983566","url":"https:\/\/www.partcatalog.com\/products\/dorman-43-721hd-leaf-spring-assembly-rear","provider":"PartCatalog","version":"1.0","type":"link"}