Dorman 929-748 Leaf Spring Axle U-Bolt Kit - Rear

Leaf Spring Axle U-Bolt Kit for Rear Suspension

Dorman 929-748 is a universal leaf spring axle U-bolt kit for rear suspension service on a wide range of Ford and Mazda applications. It secures the leaf spring or leaf spring pack to the underside of the axle, making it a direct-fit style replacement for round-bend setups where the dimensions match.

• Steel construction for suspension clamping strength
• Semi-gloss black finish
• Grade 5 bolt specification
• Fine 9/16 in thread diameter
• 3 in thread length
• Inside dimensions: 7.75 in length x 3.25 in width
• Standard replacement grade type
• Nuts included

Fitment Details

Compatible With rear suspension applications that require a round-bend U-bolt profile. Fits 2004-2011 Ford Ranger, rear; Fits 2004-2010 Mazda B2300, rear; Fits 2004-2010 Mazda B4000, rear; Fits 2004-2008 Mazda B3000, rear; Fits 2003-2006 Ford E-150, rear; Fits 2003-2005 Ford E-150 Club Wagon, rear; Fits 1992-2002 Ford E-150 Econoline, rear; Fits 1992-2002 Ford E-150 Econoline Club Wagon, rear; Fits 1997 Ford F-250 HD, rear; Fits 1980-1997 Ford F-350, rear; Fits 1980-1996 Ford F-150, rear; Fits 1980-1996 Ford F-250, rear.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Repair

• Loose leaf spring-to-axle attachment
• Corrosion-damaged or fatigued U-bolts
• Rear suspension clamping issues after spring service
• Axle shift caused by worn spring hardware
• Fitment problems when replacing round-bend U-bolt hardware on Ford Ranger and Mazda B-Series rear suspensions

Installation Notes and Tips

Verify leaf spring dimensions, inside width, inside length, thread diameter, and bend style before ordering. This Dorman 929-748 kit is for rear applications and should be matched to the axle and spring pack configuration listed for your vehicle. Confirm thread engagement and torque fasteners to the vehicle manufacturer’s specifications during installation.

Quality Assurance

Dorman supplies this leaf spring axle U-bolt kit as a standard replacement suspension hardware solution built from steel with Grade 5 fasteners and a semi-gloss black finish. Use the confirmed application data and dimensions to select the correct replacement for Ford and Mazda rear leaf spring service.