Dorman 929-735 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-735 Leaf Spring Axle U-Bolt Kit

Dorman 929-735 is a leaf spring axle U-bolt kit built for rear suspension mounting on select Chevrolet P30 and GMC P3500 applications. It secures the leaf spring or leaf spring bundle to the underside of the axle and is specified for vehicles with a semi-round bend leaf spring setup.

Key Features

• Steel construction with a semi-gloss black finish
• Grade 8 bolt specification for demanding suspension service
• Fine 3/4 in thread diameter with 5.5 in thread length
• Inside dimensions: 11.625 in length and 2.563 in width
• Specific-fit replacement for select rear suspension applications
• Nuts included

Application Details

This Dorman 929-735 U-bolt kit is a standard replacement for rear leaf spring axle mounting on 1975-1999 Chevrolet P30 and 1979-1999 GMC P3500 models with semi-round bend leaf spring configuration. It is built to match the required dimensions for the axle-to-spring connection, helping maintain proper clamping force and suspension alignment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Loose or worn axle-to-leaf-spring clamping hardware
• Corrosion-damaged suspension fasteners
• Incorrect U-bolt dimensions during leaf spring service
• Rear suspension noise caused by worn mounting hardware
• Loss of secure axle retention at the leaf spring pack

Installation Notes

Verify leaf spring dimensions, axle configuration, and thread specifications before installation. Confirm the inside length, inside width, and thread diameter match the vehicle’s rear suspension requirements. Use the listed fitment details for 1975-1999 Chevrolet P30 and 1979-1999 GMC P3500 rear applications with semi-round bend springs.

Quality Assurance

Dorman supplies standard replacement suspension hardware engineered to meet the listed application requirements. Part number 929-735 is built for specific-fit use on the confirmed Chevrolet P30 and GMC P3500 rear suspension applications.