Dorman 929-839 Leaf Spring Axle U-Bolt Kit - Front

Dorman 929-839 Leaf Spring Axle U-Bolt Kit

Dorman 929-839 is a standard replacement leaf spring axle U-bolt kit built for secure axle-to-spring attachment on select Chevrolet and GMC front suspension applications. It uses steel construction with a semi-gloss black finish and fine 5/8 in threads for a direct-fit service part.

Key Features

• Steel construction for suspension service applications
• Semi-gloss black finish
• 5/8 in fine-thread design
• Bolt grade 8 for demanding axle clamping needs
• Specific-fit replacement for select front applications
• Nuts included
• Inside length options: 6.75 in and 7.625 in
• Inside width options: 2.875 in and 3.5 in

Application Details

This Dorman leaf spring axle U-bolt kit is used to secure the leaf spring or leaf spring pack to the underside of the axle on vehicles and trailers. It is a direct replacement-style solution for front suspension service on classic Chevrolet Blazer, K10, K20, K30, K5 Blazer, V10, V20, V30, and GMC Jimmy, K1500, K2500, and K3500 applications. Part number 929-839 is also cross-referenced as 362-104 for the same application.

Common Problems It Can Address

• Loose axle-to-spring clamping at the front suspension
• Corroded or fatigued U-bolts during leaf spring service
• Incorrect fitment when replacing worn suspension hardware
• Noise or movement caused by degraded spring mounting hardware
• Service replacement needs on Chevrolet and GMC leaf spring front setups

Installation Notes

Verify leaf spring dimensions, inside length, inside width, thread diameter, and thread length before ordering. Confirm the front suspension configuration and round-bend application details for your vehicle. Proper torque procedure is important after installation, and suspension hardware should be rechecked after initial road use.

Quality Assurance

Dorman manufactures this part as a standard replacement suspension component for specific applications. Part number 929-839 is built from steel with Grade 8 bolt specification and fine threads to match the listed fitment requirements.