Keep the rear leaf spring pack firmly clamped where it belongs with the Dorman - OE Solutions Leaf Spring Axle U-Bolt Kit, part number 929-821, a U-bolt repair kit whose hardware is designed to hold the leaf spring or leaf spring bundle securely to the underside of the axle. It fits many vehicles, among them the 2011-2018 Chevrolet Silverado 2500 HD, 2011-2018 Chevrolet Silverado 3500 HD and 2011-2018 GMC Sierra 2500 HD, as a direct-fit replacement for the listed rear applications.
- Reliable hardware: The components in this kit are designed to hold the leaf spring or spring bundle securely to the underside of the axle.
- Check fit: Review the dimensions of the leaf springs being used, along with other application details, to choose the right type and size of U-bolt kit.
- Durable construction: The kit's components are engineered from quality materials for reliable performance and long service life.
- Trustworthy quality: Backed by a team of product experts in the United States and more than a century of automotive experience.
U-bolts clamp the spring to the axle, so corroded, stretched, loose or damaged U-bolts can allow the spring to shift on the axle. If worn U-bolts are part of your rear suspension repair, this kit replaces them. Consult the vehicle service information for the correct installation procedure and tightening specifications. See the "Vehicles it fits" section for the full fitment list.
Interchange: 361-773
361773
Frequently Asked Questions
What does the Dorman 929-821 U-bolt kit do?
Its components are designed to securely hold the leaf spring or leaf spring bundle to the underside of the axle, keeping the spring clamped in place at the rear suspension.
Which trucks does the Dorman 929-821 fit?
It fits many trucks, among them the 2011-2018 Chevrolet Silverado 2500 HD, 2011-2018 Chevrolet Silverado 3500 HD and 2011-2018 GMC Sierra 2500 HD. See the "Vehicles it fits" section for the full list.
Is this U-bolt kit for the front or rear?
It is cataloged for the rear position on the listed applications, where the leaf springs are clamped to the axle.
What are signs the leaf spring U-bolts may need replacing?
Signs include heavy corrosion, damaged threads, loose or stretched U-bolts, or a leaf spring that has shifted on the axle. Inspect the hardware whenever the rear leaf springs are serviced.
How should this U-bolt kit be installed?
Check your leaf spring dimensions and application details first, then follow the vehicle service information for the installation procedure and the correct tightening specifications.
