{"product_id":"dorman-929-821-leaf-spring-axle-u-bolt-kit-rear","title":"Dorman 929-821 Leaf Spring Axle U-Bolt Kit - Rear","description":"\u003ch2\u003eDorman 929-821 Leaf Spring Axle U-Bolt Kit\u003c\/h2\u003e\u003cp\u003eDorman 929-821 is a specific-fit leaf spring axle U-bolt kit for rear suspension applications. It secures the leaf spring or leaf spring bundle to the underside of the axle on select heavy-duty Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction with a semi-gloss black finish\u003c\/li\u003e\n\u003cli\u003eGrade 8 bolt specification for demanding suspension service\u003c\/li\u003e\n\u003cli\u003eFine 3\/4 in thread diameter with 5.5 in thread length\u003c\/li\u003e\n\u003cli\u003eInside dimensions: 13.25 in length and 3.25 in width\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for rear square-bend applications\u003c\/li\u003e\n\u003cli\u003eNuts included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman leaf spring axle U-bolt kit is built to clamp the leaf spring assembly securely to the axle housing, helping maintain proper suspension location and clamping force. The Dorman 929-821 is a standard replacement part made from steel with a semi-gloss black coating, and it uses fine-thread 3\/4 in hardware with Grade 8 strength. It cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application. Compatible With 2011-2018 Chevrolet Silverado 2500 HD rear square bend, 2011-2018 Chevrolet Silverado 3500 HD rear square bend, 2011-2018 GMC Sierra 2500 HD rear square bend, and 2011-2018 GMC Sierra 3500 HD rear square bend. For buyers searching for a rear leaf spring U-bolt kit for Chevrolet Silverado 2500 HD or GMC Sierra 3500 HD, this part number 929-821 matches the listed fitment details.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoose or weakened leaf spring-to-axle clamping\u003c\/li\u003e\n\u003cli\u003eCorroded or damaged U-bolts during suspension service\u003c\/li\u003e\n\u003cli\u003eIncorrect hardware size during rear spring repair\u003c\/li\u003e\n\u003cli\u003eReplacement needs after axle or leaf spring maintenance\u003c\/li\u003e\n\u003cli\u003eFitment concerns on square-bend rear suspension setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify leaf spring dimensions, axle configuration, and square-bend application details before installation. Match the inside length, inside width, thread diameter, and thread type to the vehicle’s suspension requirements. Follow the vehicle manufacturer’s torque specifications and recheck fastener torque after initial use.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures replacement suspension hardware to match specific application requirements. Part number 929-821 is built as a standard replacement for the listed rear heavy-duty truck fitments.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52793349275829,"sku":"BKKY-929-821","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_929821_Fro.jpg?v=1783838255","url":"https:\/\/www.partcatalog.com\/products\/dorman-929-821-leaf-spring-axle-u-bolt-kit-rear","provider":"PartCatalog","version":"1.0","type":"link"}