Dorman 929-704 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-704 Leaf Spring Axle U-Bolt Kit

Dorman 929-704 is a standard replacement leaf spring axle U-bolt kit for rear suspension applications that use a square-bend design. It secures the leaf spring or leaf spring bundle to the underside of the axle on select Chevrolet, GMC, and Ford vehicles, including Silverado 1500, Sierra 1500, and Ranger rear suspension setups.

• Steel construction with a semi-gloss black finish
• Grade 5 bolt specification
• Fine 9/16 in thread diameter
• 3 in thread length
• Inside dimensions: 7.625 in length and 2.563 in width
• Nuts included
• Specific fit for square-bend rear applications

Fitment and application details

This leaf spring axle U-bolt kit is built around the dimensions and application details needed for a proper rear suspension match. It is used on rear square-bend setups for vehicles such as Chevrolet Silverado 1500, GMC Sierra 1500, and Ford Ranger, and it also covers a wide range of Chevrolet Express, GMC Savana, Colorado, Canyon, Suburban, Yukon XL, Avalanche, and heavy-duty Silverado/Sierra models. Dorman 929-704 cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

• Fits 1999-2021 Chevrolet Silverado 1500, rear, Square Bend
• Fits 1999-2021 GMC Sierra 1500, rear, Square Bend
• Fits 1996-2020 Chevrolet Express 2500, rear, Square Bend
• Fits 1996-2020 Chevrolet Express 3500, rear, Square Bend
• Fits 2019-2020 Ford Ranger, rear, Square Bend
• Fits 1996-2020 GMC Savana 2500, rear, Square Bend
• Fits 1996-2020 GMC Savana 3500, rear, Square Bend
• Fits 2019 Chevrolet Silverado 1500 LD, rear, Square Bend
• Fits 2016-2019 Chevrolet Suburban 3500 HD, rear, Square Bend
• Fits 2019 GMC Sierra 1500 Limited, rear, Square Bend
• Fits 2015-2018 Chevrolet Colorado, rear, Square Bend
• Fits 2015-2018 GMC Canyon, rear, Square Bend
• Fits 1996-2014 Chevrolet Express 1500, rear, Square Bend
• Fits 1996-2014 GMC Savana 1500, rear, Square Bend
• Fits 2000-2013 Chevrolet Suburban 2500, rear, Square Bend
• Fits 2000-2013 GMC Yukon XL 2500, rear, Square Bend
• Fits 1999-2010 Chevrolet Silverado 2500, rear, Square Bend
• Fits 2001-2010 Chevrolet Silverado 2500 HD, rear, Square Bend
• Fits 2001-2010 Chevrolet Silverado 3500, rear, Square Bend
• Fits 2007-2010 Chevrolet Silverado 3500 HD, rear, Square Bend
• Fits 2001-2010 GMC Sierra 2500 HD, rear, Square Bend
• Fits 2007-2010 GMC Sierra 3500 HD, rear, Square Bend
• Fits 2007 Chevrolet Silverado 1500 Classic, rear, Square Bend
• Fits 2007 Chevrolet Silverado 1500 HD Classic, rear, Square Bend
• Fits 2007 Chevrolet Silverado 2500 HD Classic, rear, Square Bend
• Fits 2007 Chevrolet Silverado 3500 Classic, rear, Square Bend
• Fits 2007 GMC Sierra 1500 Classic, rear, Square Bend
• Fits 2007 GMC Sierra 1500 HD Classic, rear, Square Bend
• Fits 2007 GMC Sierra 2500 HD Classic, rear, Square Bend
• Fits 2007 GMC Sierra 3500 Classic, rear, Square Bend
• Fits 2002-2006 Chevrolet Avalanche 2500, rear, Square Bend
• Fits 2005-2006 Chevrolet Silverado 1500 HD, rear, Square Bend
• Fits 2001-2003 Chevrolet Silverado 1500 HD, rear, Square Bend
• Fits 2005-2006 GMC Sierra 1500 HD, rear, Square Bend
• Fits 2001-2003 GMC Sierra 1500 HD, rear, Square Bend
• Fits 2001-2006 GMC Sierra 3500, rear, Square Bend
• Fits 1999-2004 GMC Sierra 2500, rear, Square Bend
• Fits 1988-2000 Chevrolet C3500, rear, Square Bend
• Fits 1988-2000 Chevrolet K3500, rear, Square Bend
• Fits 1988-2000 GMC C3500, rear, Square Bend
• Fits 1988-2000 GMC K3500, rear, Square Bend

Common repair uses

• Replacing corroded or damaged rear leaf spring U-bolts
• Restoring clamping force between the axle and leaf spring pack
• Addressing loose or uneven rear suspension hardware
• Repairing square-bend rear spring mounting points on Silverado and Sierra trucks
• Servicing rear suspension hardware on Express, Savana, Colorado, Canyon, and Ranger applications

Installation notes and quality

Verify leaf spring dimensions, axle configuration, thread size, and square-bend application details before installation. Use the listed inside length, inside width, and thread specifications to confirm the correct rear suspension match for your vehicle. Dorman 929-704 is a steel, standard replacement part built for specific-fit applications and supplied with nuts.

Dorman 929-704 is a direct-fit suspension hardware solution for rear leaf spring axle mounting on select Chevrolet Silverado 1500, GMC Sierra 1500, and related truck and van platforms.