Dorman 929-747 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-747 Leaf Spring Axle U-Bolt Kit

Dorman 929-747 is a standard replacement leaf spring axle U-bolt kit built for rear suspension mounting on select Ford vans and club wagons. It secures the leaf spring or leaf spring bundle to the underside of the axle, helping maintain proper axle-to-spring clamping on compatible applications.

• Steel construction with a semi-gloss black finish
• Grade 5 bolt specification
• Fine 9/16 in thread diameter
• 3.5 in thread length
• Inside dimensions: 9.625 in length and 3.625 in width
• Nut hardware included
• Specific fitment for select rear applications

Fitment Details

Compatible With rear suspension applications on select Ford E-Series models, including Fits 1999-2019 Ford E-350 Super Duty, Rear; Fits 2007-2014 Ford E-150, Rear; Fits 2003-2014 Ford E-250, Rear; Fits 2002-2005 Ford E-350 Club Wagon, Rear; Fits 1975-2002 Ford E-250 Econoline, Rear; Fits 1977-2002 Ford E-350 Econoline Club Wagon, Rear; Fits 1975-1998 Ford E-350 Econoline, Rear; and Fits 1975-1991 Ford E-250 Econoline Club Wagon, Rear. This part number, Dorman 929-747, is also listed as a replacement for interchange 361-432.

Common Uses

• Replacing worn or stretched rear leaf spring U-bolts
• Restoring clamping force between the axle and leaf spring pack
• Addressing suspension looseness caused by fatigued fasteners
• Repairing rear suspension hardware on Ford E-150, E-250, and E-350 applications
• Supporting service work after leaf spring or axle-related maintenance

Installation Notes

Verify leaf spring dimensions, axle bend style, thread diameter, and inside width before ordering. This kit is specified for round bend rear applications, so match the vehicle’s suspension configuration to the listed fitment before installation. Use the correct torque procedure for the vehicle and recheck fastener tightness after initial service if required by the repair procedure.

Quality Assurance

Dorman supplies this leaf spring axle U-bolt kit as a standard replacement part for suspension service. The steel construction, Grade 5 hardware specification, and application-specific sizing support consistent fitment on the listed Ford E-Series vehicles.