Dorman 929-837 Leaf Spring Axle U-Bolt Kit - Front

Dorman 929-837 Leaf Spring Axle U-Bolt Kit

Dorman 929-837 is a leaf spring axle U-bolt kit built for securing the leaf spring or leaf spring bundle to the underside of the axle. It is a specific-fit, standard replacement part with a 5/8 in fine thread, Grade 8 bolt construction, and a semi-gloss black steel finish.

Use this kit when servicing front suspension leaf spring mounting points on classic Chevrolet and GMC trucks and SUVs, including Chevrolet Blazer, K5 Blazer, K10, K20, K30, and GMC Jimmy applications. The Dorman 929-837 is also listed for Chevrolet and GMC Suburban and 4x4 truck fitments with round-bend front applications.

Key Features

• Steel construction with semi-gloss black finish
• Grade 8 U-bolt hardware for suspension mounting
• 5/8 in fine-thread design
• Inside length: 8.375 in
• Inside width: 4.063 in
• Specific fit for listed front suspension applications
• Nuts included

Application Details

This leaf spring axle U-bolt kit is engineered for front suspension use on a wide range of Chevrolet and GMC vehicles, including 1969-1974 Chevrolet Blazer, 1975-1986 Chevrolet K10, 1975-1986 Chevrolet K20, 1977-1986 Chevrolet K30, 1975-1986 Chevrolet K5 Blazer, 1970-1991 GMC Jimmy, and related Suburban and V-series applications with round bend notes where specified. The Dorman 929-837 part number is also a direct reference point for buyers comparing suspension hardware by OE-style dimensions and thread specification.

This part cross-references Monroe Shocks & Struts (e.g., 362-102) for the same application.

Common Problems This Part Can Address

• Loose leaf spring-to-axle attachment
• Corroded or fatigued U-bolts during suspension service
• Incorrect hardware size during front spring replacement
• Worn mounting hardware on lifted or restored classic trucks
• Fitment issues when replacing axle clamp hardware on listed Chevrolet and GMC models

Installation Notes and Tips

Verify leaf spring dimensions, inside length, inside width, thread diameter, and thread type before installation. Confirm the front suspension configuration and any round-bend notes against the vehicle application list before ordering. For best results, replace suspension hardware as a matched set during leaf spring service and torque fasteners to the vehicle manufacturer’s specification.

Quality Assurance

Dorman suspension hardware is cataloged as a standard replacement part for specific vehicle applications. This kit is built from steel with Grade 8 fastener specification and includes nuts for the listed application.