{"product_id":"dorman-43-1855-leaf-spring-assembly-rear","title":"Dorman 43-1855 Leaf Spring Assembly - Rear","description":"\u003ch2\u003eDorman 43-1855 Rear Leaf Spring Assembly\u003c\/h2\u003e\u003cp\u003eDorman 43-1855 is a rear leaf spring assembly built for suspension restoration on select Ford Super Duty trucks. It supports vehicle weight and payload while helping restore ride height, stability, and passenger comfort on the rear suspension.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSteel leaf spring construction for rear suspension service\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for direct repair work\u003c\/li\u003e\n\u003cli\u003e3-leaf design with a 3-inch leaf width\u003c\/li\u003e\n\u003cli\u003eLoad rate: 2700\u003c\/li\u003e\n\u003cli\u003eBlack bushings included\u003c\/li\u003e\n\u003cli\u003eRear axle application\u003c\/li\u003e\n\u003cli\u003eEnd 1 and End 2 use Berlin eye attachment type\u003c\/li\u003e\n\u003cli\u003eLength B: 33.188 in; pack thickness: 2.126 in; arch length: 6.875 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application\u003c\/h2\u003e\u003cp\u003eCompatible with 2011-2016 Ford F-250 Super Duty, rear, with helper springs. Compatible with 2011-2016 Ford F-350 Super Duty, rear, single rear wheel (SRW). If you are replacing a worn rear leaf spring on a Ford F-250 Super Duty or Ford F-350 Super Duty, Dorman 43-1855 matches the listed rear suspension applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Dorman - OE Solutions 43-1855 for the same application.\u003c\/p\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eLeaf springs carry rear axle load and help control suspension movement under towing, hauling, and everyday driving. On Ford F-250 Super Duty and Ford F-350 Super Duty trucks, a worn spring can affect ride height, handling balance, and the way the rear suspension responds to payload changes. Dorman 43-1855 restores the rear spring assembly with the listed dimensions and attachment style for the specified applications.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSagging rear ride height\u003c\/li\u003e\n\u003cli\u003eReduced load support at the rear axle\u003c\/li\u003e\n\u003cli\u003eUneven stance from a fatigued spring pack\u003c\/li\u003e\n\u003cli\u003eExcessive rear suspension movement under load\u003c\/li\u003e\n\u003cli\u003eRide quality changes caused by worn leaf spring components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify axle orientation, spring dimensions, and attachment style before installation. This rear leaf spring assembly is listed with bushings included and no mounting hardware included. Confirm the vehicle is a 2011-2016 Ford F-250 Super Duty with helper springs or a 2011-2016 Ford F-350 Super Duty SRW before ordering. Compare the existing spring pack thickness, arch length, and eye-to-eye measurements to the specifications shown for Dorman 43-1855.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman OE Solutions parts are built as replacement components for service repairs where matching the original application matters. This leaf spring assembly is identified by part number 43-1855 and Spring Research Institute number 43-1855 for accurate cataloging and fitment verification.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52752754540725,"sku":"BKKY-43-1855","price":375.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_431855_Fro.jpg?v=1782886253","url":"https:\/\/www.partcatalog.com\/products\/dorman-43-1855-leaf-spring-assembly-rear","provider":"PartCatalog","version":"1.0","type":"link"}