{"product_id":"dorman-43-1499-leaf-helper-spring-rear","title":"Dorman 43-1499 Leaf Helper Spring - Rear","description":"\u003ch2\u003eLeaf Helper Spring Overview\u003c\/h2\u003e\u003cp\u003eDorman 43-1499 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 performance in suspension use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction for suspension strength and support.\u003c\/li\u003e\n\u003cli\u003eBlack finish for a clean, corrosion-conscious appearance.\u003c\/li\u003e\n\u003cli\u003e600 lb load increase strength and 600 maximum load rating.\u003c\/li\u003e\n\u003cli\u003eMeasures 44 inches long, 3 inches wide, and 0.558 inches thick.\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement part number 43-1499 for specified applications.\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 compatible heavy-duty truck applications. It is a fit-and-function replacement for the original spring and is built to restore load support characteristics where the factory helper spring has worn, weakened, or lost effectiveness. Fits 2002-2004 Ford F-350 Super Duty, rear, with single rear wheel (SRW) and the listed leaf spring configuration. The part number 43-1499 is also referenced for cross-checking against related replacement listings, and 43-1499 should be verified against the vehicle’s spring setup before installation.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSagging rear ride height from a weakened helper spring.\u003c\/li\u003e\n\u003cli\u003eReduced load support under towing or hauling conditions.\u003c\/li\u003e\n\u003cli\u003eLoss of original spring rate and suspension assist.\u003c\/li\u003e\n\u003cli\u003eUneven rear suspension response caused by worn spring components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle’s rear spring configuration, including single rear wheel fitment and leaf thickness details, before ordering. This part does not include mounting hardware. Professional installation is recommended, and the existing suspension hardware should be inspected for wear during replacement.\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 core engineering targets.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53721542131893,"sku":"BKKY-43-1499","price":124.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_431499_Fro.jpg?v=1794117896","url":"https:\/\/www.partcatalog.com\/products\/dorman-43-1499-leaf-helper-spring-rear","provider":"PartCatalog","version":"1.0","type":"link"}