Dorman 929-809 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-809 Leaf Spring Axle U-Bolt Kit

Dorman 929-809 is a leaf spring axle U-bolt kit built for securing the leaf spring or leaf spring pack to the underside of the axle. It is a specific-fit suspension hardware replacement for rear applications on Ford Super Duty trucks, including Ford F-250 Super Duty and Ford F-350 Super Duty models with semi-round bend axle configuration.

Key Features

• Steel construction with a semi-gloss black finish
• Grade 8 bolt specification for suspension fastening applications
• 5/8 in thread diameter with fine threads
• 13.625 in inside length and 3.219 in inside width
• 5.5 in thread length
• Standard replacement design for specific fitment
• Includes nuts
• Fits rear suspension applications on Ford F-250 Super Duty and Ford F-350 Super Duty

Detailed Description

This Dorman leaf spring axle U-bolt kit, part number 929-809, is engineered for rear suspension use where the leaf spring assembly must be clamped securely to the axle housing. The steel U-bolts feature a 5/8 in fine-thread design, Grade 8 bolt rating, and a semi-gloss black finish for a clean service replacement appearance. With an inside length of 13.625 in and inside width of 3.219 in, this kit is sized for specific applications rather than universal use. It is a direct-fit suspension hardware choice for 2008-2016 Ford F-250 Super Duty and 2008-2016 Ford F-350 Super Duty rear semi-round bend applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

• Fits 2008-2016 Ford F-250 Super Duty, rear, Semi-Round Bend
• Fits 2008-2016 Ford F-350 Super Duty, rear, Semi-Round Bend

Common Uses

• Replacing worn or stretched leaf spring U-bolts
• Restoring secure clamping between the leaf spring pack and axle
• Addressing suspension looseness at the rear axle mounting point
• Repairing corrosion-damaged suspension fasteners
• Servicing rear leaf spring hardware on Ford Super Duty trucks

Installation Notes and Tips

Verify leaf spring dimensions, axle bend style, thread diameter, and inside measurements before installation. Match the rear semi-round bend configuration shown in the fitment data for Ford F-250 Super Duty and Ford F-350 Super Duty models. Replace suspension fasteners in accordance with service procedures and torque specifications for the vehicle.

Quality Assurance

Dorman suspension hardware is built as a standard replacement part for specific vehicle applications. Part number 929-809 is designed around confirmed fitment data for 2008-2016 Ford Super Duty rear leaf spring applications.