Dorman 929-743 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-743 Leaf Spring Axle U-Bolt Kit

Dorman 929-743 is a steel leaf spring axle U-bolt kit for rear suspension applications that use a semi-round bend. It secures the leaf spring or leaf spring bundle to the underside of the axle on select Dodge trucks and SUVs, including Ram 1500, Ram 2500, D150, D250, D350, Ramcharger, W150, W250, W350, D100, W100, D200, D300, W200, and W300 applications.

Built as a standard replacement part with a 9/16 in fine thread, Grade 5 hardware, and a semi-gloss black finish, this kit is specified for direct-fit use on the listed rear axle applications. The part number is 929-743.

Key Features

• Steel construction for suspension clamping strength
• Semi-gloss black finish
• 9/16 in fine-thread design
• Grade 5 bolt specification
• Inside length: 11.75 in
• Inside width: 2.563 in
• Standard replacement fitment
• Nuts included

Application Details

Compatible with rear semi-round bend leaf spring setups on select Dodge Ram 2500 and Ram 1500 models, plus earlier Dodge truck and utility applications. Dorman 929-743 also cross-references 361-428 for the same application. Use the listed dimensions and axle configuration to confirm the correct fit before installation.

What It Helps Address

• Loose leaf spring-to-axle clamping
• Worn or corroded U-bolts on rear suspension assemblies
• Suspension movement caused by fatigued mounting hardware
• Replacement needs after leaf spring service or axle work
• Fitment matching for Dodge Ram 1500, Ram 2500, and related rear applications

Installation Notes

Verify leaf spring dimensions, inside width, inside length, thread diameter, and thread length before installation. This kit is specific to the listed rear applications with semi-round bend configuration, so confirm axle and spring geometry on the vehicle before ordering. Torque fasteners to the vehicle manufacturer’s specification after installation.

Quality Assurance

Dorman supplies this as a standard replacement suspension component for the listed applications. Material, thread size, bolt grade, and dimensions are published to support accurate part selection for rear leaf spring axle mounting service.