Dorman 929-727 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-727 Leaf Spring Axle U-Bolt Kit

Dorman 929-727 is a standard replacement leaf spring axle U-bolt kit for securing the leaf spring or leaf spring bundle to the underside of an axle on a vehicle or trailer. Built from steel with a semi-gloss black finish, it uses Grade 8 hardware and fine 5/8 in threads for a direct-fit suspension service part.

Key Features

• Steel construction for suspension mounting strength
• Semi-gloss black finish
• Grade 8 bolt specification
• 5/8 in thread diameter with fine thread type
• 3 in thread length
• Inside dimensions: 7.75 in length and 2.313 in width
• Specific-fit replacement for selected applications
• Nuts included

Detailed Description

This Dorman leaf spring axle U-bolt kit is built to clamp the leaf spring assembly securely to the axle housing, helping maintain proper suspension location and axle retention. The Dorman 929-727 part number is a standard replacement option for service work where the original U-bolt dimensions, thread size, and fitment details must match the application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

For buyers searching for a leaf spring axle U-bolt kit for trailer suspension repair, axle-to-spring mounting hardware, or a 5/8 inch fine-thread U-bolt replacement, Dorman 929-727 provides the specified dimensions needed for accurate selection. It is a specific-fit part, so checking leaf spring dimensions and application details is essential before installation. Dorman 929-727 is also a relevant search term for suspension service on vehicles such as Ford F-250 and Ford F-350 where the correct axle U-bolt size matters.

What It Helps Address

• Loose or worn leaf spring axle mounting hardware
• Suspension clamping issues at the axle-to-spring connection
• Replacement needs after corrosion or thread damage
• Incorrect U-bolt size during leaf spring service
• Axle retention concerns during suspension repair

Installation Notes

Verify inside length, inside width, thread diameter, thread length, and thread type before installation. Match the leaf spring dimensions and axle mounting configuration to the vehicle or trailer application. Use the correct torque procedure for Grade 8 suspension hardware and inspect the spring plate, axle seat, and nuts for wear before assembly. This part is listed as a specific-fit replacement, so confirm application details rather than relying on universal sizing.

Quality Assurance

Dorman supplies standard replacement suspension hardware engineered to match defined application requirements. Part number 929-727 is built with steel construction, Grade 8 bolt specification, and the listed dimensional profile for accurate service replacement.