{"product_id":"dorman-929-129-leaf-spring","title":"Dorman 929-129 Leaf Spring - Rear","description":"\u003ch2\u003eDurable Leaf Spring Assembly for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Dorman 929-129 leaf spring assembly is engineered to provide reliable suspension support for Chevrolet Silverado 3500 and GMC Sierra 3500 models. Constructed from high-quality steel with a standard suspension grade, this leaf spring assembly ensures consistent performance and durability.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman 929-129 Leaf Spring Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Heavy-duty steel construction for strength and longevity\u003c\/li\u003e\n\u003cli\u003eColor: Black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eLeaf Quantity: 4 leaves with a 2.5-inch width each\u003c\/li\u003e\n\u003cli\u003eStandard suspension grade designed for everyday use\u003c\/li\u003e\n\u003cli\u003eIncludes bushings for smooth operation and reduced wear\u003c\/li\u003e\n\u003cli\u003eBerlin eye attachments on both ends for secure mounting\u003c\/li\u003e\n\u003cli\u003eNo axle modification required for installation\u003c\/li\u003e\n\u003cli\u003ePack thickness of 2.89 inches and leaf spring arch length of 7.25 inches\u003c\/li\u003e\n\u003cli\u003eLength: 32 inches on both axis 1 and axis 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Dorman 929-129 Leaf Spring Assembly\u003c\/h2\u003e\u003cp\u003eThis leaf spring assembly is designed specifically for the Chevrolet Silverado 3500 and GMC Sierra 3500, providing a direct replacement that maintains the original suspension geometry. The four-leaf design with a 2.5-inch width balances load capacity and ride comfort. Finished in black, the steel construction resists corrosion and wear over time. The inclusion of bushings helps reduce noise and vibration, while the Berlin eye attachments on both ends ensure a secure fit without the need for axle modifications. With a pack thickness of 2.89 inches and a spring arch length of 7.25 inches, this assembly meets the specifications required for standard suspension performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper suspension height and alignment on Chevrolet Silverado 3500 and GMC Sierra 3500 trucks\u003c\/li\u003e\n\u003cli\u003eReplaces worn or broken leaf springs causing sagging or uneven ride height\u003c\/li\u003e\n\u003cli\u003eImproves load carrying capacity and vehicle stability under heavy loads\u003c\/li\u003e\n\u003cli\u003eEliminates excessive noise and vibration from damaged or degraded springs\u003c\/li\u003e\n\u003cli\u003eAddresses suspension issues without requiring axle modifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eThe Dorman 929-129 leaf spring assembly is designed for straightforward installation on compatible Chevrolet Silverado 3500 and GMC Sierra 3500 models. Since no axle modification is needed, it can be installed using existing mounting points. Bushings are included to facilitate smooth operation, but mounting hardware is not included and should be sourced separately. It is recommended to inspect all suspension components during installation and replace any worn hardware to ensure optimal performance and safety.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this leaf spring assembly to meet or exceed OEM standards for durability and fitment. The steel construction and corrosion-resistant finish contribute to long service life. While specific warranty details are not provided here, Dorman typically offers limited warranties on suspension components. For exact warranty terms, consult the product documentation or manufacturer resources.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44335068643509,"sku":"BKKY-929-129","price":436.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_929129_Fro.jpg?v=1775012929","url":"https:\/\/www.partcatalog.com\/products\/dorman-929-129-leaf-spring","provider":"PartCatalog","version":"1.0","type":"link"}