Dorman 929-783 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-783 Leaf Spring Axle U-Bolt Kit

Dorman 929-783 is a standard replacement leaf spring axle U-bolt kit built for securing the leaf spring pack to the underside of an axle on a vehicle or trailer. It uses steel construction with a semi-gloss black finish and fine 3/4 in. threads for a direct-fit suspension service part.

Key Features

• Steel construction for suspension mounting strength
• Semi-gloss black finish
• 3/4 in. thread diameter with fine thread pitch
• Grade 8 bolt specification
• Inside length: 15.5 in.
• Inside width: 3.063 in.
• Thread length: 5.5 in.
• Nut hardware included
• Specific-fit replacement for the listed application

Product Details

This Dorman leaf spring axle U-bolt kit is built for suspension service where the axle must be clamped securely to the leaf spring assembly. The 929-783 part number is a standard replacement option with steel hardware, fine threads, and Grade 8 bolt construction for the specified application. It cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. For buyers searching for a leaf spring U-bolt kit for axle mounting, Dorman 929-783 provides the dimensions and hardware style needed for a proper suspension repair.

What It Helps Address

• Loose or worn axle-to-leaf-spring clamping hardware
• Suspension noise caused by fatigued U-bolts
• Corrosion-related replacement of mounting hardware
• Leaf spring service on trailer or vehicle suspension assemblies
• Restoration of proper axle retention at the spring pack

Installation Notes and Tips

Verify leaf spring dimensions, inside width, inside length, thread diameter, and thread length before ordering. This part is a specific-fit suspension component, so confirm application details against the vehicle or trailer service requirements before installation. Use the correct torque procedure for Grade 8 suspension hardware and inspect the spring seat, axle perch, and leaf spring pack for wear before reassembly. Search terms such as Dorman 929-783 leaf spring axle U-bolt kit, 3/4 in. fine thread U-bolt kit, and steel axle U-bolt replacement are commonly used for this type of repair.

Quality Assurance

Dorman supplies standard replacement suspension hardware engineered to match the listed dimensions and application requirements. The 929-783 part number is built as a direct replacement-style solution for axle-to-leaf-spring mounting service.