HomeSuspension > Suspension, Springs and Related ComponentsDorman 929-820 Leaf Spring Axle U-Bolt Kit - Rear
Part #: 929-820

Dorman 929-820 Leaf Spring Axle U-Bolt Kit - Rear

Rear
32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
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Dorman 929-820 Leaf Spring Axle U-Bolt Kit

Dorman 929-820 is a leaf spring axle U-bolt kit for rear suspension applications that secure the leaf spring or leaf spring pack to the underside of the axle. It is built from steel with a semi-gloss black finish and uses Grade 8 hardware with fine threads for a specific-fit replacement.

Key Features

  • Steel construction with semi-gloss black finish
  • Grade 8 bolt specification for demanding suspension service
  • Fine-thread 3/4 in. diameter U-bolt design
  • Inside length: 12.25 in.; inside width: 3.25 in.
  • Specific-fit replacement for selected rear leaf spring axle applications
  • Nuts included

Application Details

This Dorman 929-820 kit is built for rear suspension use on 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. It cross-references Monroe Shocks & Struts 172286 and 182286 for the same application. For buyers searching for a rear leaf spring U-bolt kit for Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, or GMC Sierra 3500 HD, part number 929-820 provides the listed fitment and dimensions needed for selection.

What It Is Used For

  • Loose or worn U-bolts at the rear leaf spring mount
  • Corrosion-damaged suspension fasteners
  • Incorrect U-bolt dimensions during leaf spring service
  • Axle-to-spring clamping issues after suspension repair
  • Replacement of square-bend rear leaf spring axle hardware

Installation Notes

Verify leaf spring dimensions, inside length, inside width, thread diameter, and thread length before ordering. Confirm the rear square-bend application on the vehicle and match the axle and spring configuration to the listed fitment. Use the correct torque procedure for Grade 8 suspension fasteners and inspect related leaf spring hardware during installation.

Quality Assurance

Dorman suspension hardware is built as a standard replacement part for the specified application. Part number 929-820 is engineered to match the listed fitment and dimensional requirements for rear leaf spring axle service.

BrandDorman
Part Number929-820
MaterialAcero
MaterialSteel
ColorNegro semibrillante
ColorSemi-gloss black
Bolt Grade8
Thread Length5.5
Nuts IncludedOui
Nuts Included
Nuts IncludedYes
Universal Or Specific FitEspecífico
Universal Or Specific FitSpecific
Grade TypeReemplazo estándar
Grade TypeStandard replacement
Inside Length12.25
Inside Width3.25
Thread TypeFine
Thread TypeFino
Contenidos del paquete2 tornillos tipo “u”
Diámetro de la rosca3/4in
Package Contents2 u-bolts
Thread Diameter3/4 in

This part fits 32 vehicles. Search below:

YearMakeModelPositionNotes
2018ChevroletSilverado 2500 HDRearSquare Bend
2018ChevroletSilverado 3500 HDRearSquare Bend
2018GMCSierra 2500 HDRearSquare Bend
2018GMCSierra 3500 HDRearSquare Bend
2017ChevroletSilverado 2500 HDRearSquare Bend
2017ChevroletSilverado 3500 HDRearSquare Bend
2017GMCSierra 2500 HDRearSquare Bend
2017GMCSierra 3500 HDRearSquare Bend
2016ChevroletSilverado 2500 HDRearSquare Bend
2016ChevroletSilverado 3500 HDRearSquare Bend
2016GMCSierra 2500 HDRearSquare Bend
2016GMCSierra 3500 HDRearSquare Bend
2015ChevroletSilverado 2500 HDRearSquare Bend
2015ChevroletSilverado 3500 HDRearSquare Bend
2015GMCSierra 2500 HDRearSquare Bend
2015GMCSierra 3500 HDRearSquare Bend
2014ChevroletSilverado 2500 HDRearSquare Bend
2014ChevroletSilverado 3500 HDRearSquare Bend
2014GMCSierra 2500 HDRearSquare Bend
2014GMCSierra 3500 HDRearSquare Bend
2013ChevroletSilverado 2500 HDRearSquare Bend
2013ChevroletSilverado 3500 HDRearSquare Bend
2013GMCSierra 2500 HDRearSquare Bend
2013GMCSierra 3500 HDRearSquare Bend
2012ChevroletSilverado 2500 HDRearSquare Bend
2012ChevroletSilverado 3500 HDRearSquare Bend
2012GMCSierra 2500 HDRearSquare Bend
2012GMCSierra 3500 HDRearSquare Bend
2011ChevroletSilverado 2500 HDRearSquare Bend
2011ChevroletSilverado 3500 HDRearSquare Bend
2011GMCSierra 2500 HDRearSquare Bend
2011GMCSierra 3500 HDRearSquare Bend

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

361-772

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.