Dorman 929-777 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-777 Leaf Spring Axle U-Bolt Kit

Dorman 929-777 is a universal leaf spring axle U-bolt kit for securing the leaf spring or leaf spring pack to the underside of an axle. Built from steel with a semi-gloss black finish, it is a standard replacement for rear suspension service on select trucks and SUVs, including Nissan Frontier, Nissan Xterra, Suzuki Equator, and Dodge Dakota applications.

Key Features

• Steel construction for suspension mounting strength
• Semi-gloss black finish
• Grade 5 bolt specification
• 1/2 in fine-thread design
• Inside length: 7.75 in
• Inside width: 3.125 in
• Thread length: 3 in
• Nuts included
• Universal fit for rear leaf spring axle applications

Application Details

This leaf spring axle U-bolt kit is used in rear suspension setups where the axle must be clamped securely to the leaf spring assembly. It is a direct-fit style replacement for vehicles such as 2005-2018 Nissan Frontier, rear, round bend; 2005-2015 Nissan Xterra, rear, round bend; 2009-2012 Suzuki Equator, rear, round bend; and 1987-1996 Dodge Dakota, rear, round bend. Part number 929-777 is also referenced as a replacement for 361-623 in the same application family.

Common Problems It Can Address

• Loose axle-to-spring clamping at the rear suspension
• Corrosion or wear on original U-bolts
• Suspension service after leaf spring replacement
• Need for correct U-bolt dimensions during axle reinstallation
• Replacement of damaged or fatigued mounting hardware

Installation Notes

Verify leaf spring dimensions, axle tube shape, inside length, inside width, and thread diameter before ordering. Confirm round-bend application details for the vehicle and compare the existing hardware to the listed measurements. Use the correct torque procedure for the axle and spring assembly, and inspect related suspension components during installation.

Quality Assurance

Dorman suspension hardware is built as a standard replacement part for service work where correct fit and material specification matter. This part number, 929-777, is specified with steel construction, Grade 5 bolt rating, and fine threads for rear leaf spring axle mounting.