{"product_id":"dorman-43-1583-leaf-helper-spring-rear","title":"Dorman 43-1583 Leaf Helper Spring - Rear","description":"\u003ch2\u003eLeaf Helper Spring Overview\u003c\/h2\u003e\u003cp\u003eDorman 43-1583 is a steel leaf helper spring built to match the fit and function of the original spring on specified applications. It is engineered for durable service and reliable load support in rear suspension use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction for strength and consistent support.\u003c\/li\u003e\n\u003cli\u003e600 lb. load increase strength for added rear suspension support.\u003c\/li\u003e\n\u003cli\u003eBlack finish for a clean, corrosion-resistant appearance.\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for the original helper spring on listed applications.\u003c\/li\u003e\n\u003cli\u003ePart number 43-1583 for easy identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman leaf helper spring is intended for rear suspension service on the Ford F-350 Super Duty. It measures 43.75 inches long, 3 inches wide, and 0.558 inches thick, with a full-taper design and a 600 lb. average capacity noted in fitment. For buyers searching for a Ford F-350 Super Duty rear leaf helper spring or a Dorman 43-1583 replacement, this part provides a direct match to the original spring’s fit and function on the listed single rear wheel application. The Dorman 43-1583 is a practical choice when restoring rear spring support and maintaining consistent suspension performance.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring rear suspension support when the original helper spring is worn.\u003c\/li\u003e\n\u003cli\u003eAddressing sagging rear ride height under load.\u003c\/li\u003e\n\u003cli\u003eImproving load-carrying support in the rear suspension.\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged or fatigued helper spring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2005-2016 Ford F-350 Super Duty, rear. Fitment notes specify single rear wheel (SRW) applications with a full-taper, 1-leaf design and 9\/16 in. leaf thickness. Verify the existing spring dimensions and rear suspension configuration before installation. Mounting hardware is not included.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this helper spring to match original fit and function on specified vehicles, with durability and reliable performance as the stated engineering focus.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53417953362101,"sku":"BKKY-43-1583","price":220.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_431583_Fro.jpg?v=1791003815","url":"https:\/\/www.partcatalog.com\/products\/dorman-43-1583-leaf-helper-spring-rear","provider":"PartCatalog","version":"1.0","type":"link"}