{"product_id":"mardarth-rear-leaf-spring-bracket-kit-for-silverado-sierra-1500-1999-2015-direct-fit-hangers-shackles-steel","title":"Mardarth Rear Leaf Spring Bracket Kit for Silverado\/Sierra 1500 (1999–2015) — Direct-Fit Hangers \u0026 Shackles, Steel","description":"\u003cp\u003e\u003cstrong\u003eMardarth 12474021 rear leaf spring bracket kit is a direct-fit replacement hangers and shackles designed to restore proper rear suspension alignment and load support on 1999–2015 Silverado and Sierra 1500 trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your truck shows sagging at the rear, uneven tire wear, or noises from the leaf spring area, worn or damaged leaf spring hangers and shackles are often the cause. This kit replaces OEM part numbers 12474021, 722032, M22421, and 338-2163 with durable components built to match factory fit and function. It’s offered with a one-year guarantee and engineered for a straightforward swap using standard tools.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit affect ride stability and rear alignment?\u003c\/h3\u003e\n\u003cp\u003eReplacing bent or worn hangers and shackles returns the leaf spring mounting geometry to specification, which helps the axle track correctly under load and during cornering. Improved alignment reduces abnormal tire wear and restores predictable handling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores factory spring mounting points for correct axle location\u003c\/li\u003e\n  \u003cli\u003eMinimizes lateral and fore-aft axle movement\u003c\/li\u003e\n  \u003cli\u003eReduces unusual tire wear and steering pull caused by shifted suspension\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this the correct kit for my vehicle model and year?\u003c\/h3\u003e\n\u003cp\u003eThis Mardarth bracket kit is compatible with Chevrolet Silverado and GMC Sierra 1500 models from 1999 through 2015, and fits several full-size GM SUVs and trucks that use the same suspension parts. Always compare your vehicle’s current part number or mounting pattern to the listed replacements before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 1999–2015 Silverado \u0026amp; Sierra 1500\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with select 2007–2009 Escalade, Avalanche, Suburban, Tahoe, Yukon models\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM numbers 12474021, 722032, M22421, 338-2163\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe kit is a direct replacement designed for bolt-on installation using common garage tools; no major frame modifications are required. Expect to remove the old hanger and shackle, clean the mounting area, and torque the new hardware to factory specifications. After installation, inspect fasteners and bushings periodically and re-torque as recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit parts for faster, less complicated installation\u003c\/li\u003e\n  \u003cli\u003eUse proper torque values and anti-seize where specified\u003c\/li\u003e\n  \u003cli\u003ePeriodic inspections help prolong service life and safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and warranty coverage come with the kit?\u003c\/h3\u003e\n\u003cp\u003eMardarth manufactures the hangers and shackles from high-quality steel with corrosion-resistant finishes to withstand road conditions and load cycles. The kit includes a one-year guarantee; contact customer service for assistance if you experience defects or fitment issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable steel construction with protective coating\u003c\/li\u003e\n  \u003cli\u003eTested for safety and performance to meet replacement standards\u003c\/li\u003e\n  \u003cli\u003e1-year guarantee backed by Mardarth customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This rear leaf spring bracket kit is intended for Silverado and Sierra 1500 owners, fleet managers, and DIY mechanics who need a dependable, direct-fit replacement for worn or damaged rear spring hangers and shackles. It’s well suited for trucks used in hauling, towing, or daily driving where restored suspension geometry and reliability are priorities.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit a 2005 Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Mardarth 12474021 kit fits Silverado\/Sierra 1500 models from 1999–2015, including 2005, when the truck uses the listed hanger pattern.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include bolts and bushings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit comes with the brackets and hardware shown; confirm included items in the product listing or contact Mardarth for full contents.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mardarth","offers":[{"title":"Default Title","offer_id":67590741065913,"sku":"B09JMSRDX4","price":100.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/mardarth-rear-leaf-spring-bracket-front-view.jpg?v=1790537168","url":"https:\/\/redleafauto.ca\/products\/mardarth-rear-leaf-spring-bracket-kit-for-silverado-sierra-1500-1999-2015-direct-fit-hangers-shackles-steel","provider":"Redleaf Auto","version":"1.0","type":"link"}