Dorman 929-738 Leaf Spring Axle U-Bolt Kit - Rear

Dorman 929-738 Leaf Spring Axle U-Bolt Kit

Dorman 929-738 is a standard replacement leaf spring axle U-bolt kit built for rear suspension mounting on select Chevrolet and GMC applications. It secures the leaf spring or leaf spring bundle to the underside of the axle with a steel, fine-thread design and a semi-gloss black finish.

Key Features

• Steel construction for suspension mounting strength
• Fine-thread 5/8 in. diameter U-bolts
• Inside length: 8.625 in.; inside width: 2.563 in.
• Bolt grade 8 for demanding axle-to-spring clamping
• Semi-gloss black finish
• Specific fit replacement for select rear leaf spring applications
• Thread length: 3.5 in.
• Nuts included

Detailed Description

This Dorman leaf spring axle U-bolt kit is made for rear suspension use where the leaf spring pack must be clamped securely to the axle housing. The 5/8 in. fine-thread, grade 8 steel hardware is sized for specific applications and follows the dimensions needed for proper axle-to-spring retention. Dorman 929-738 is a direct-fit style replacement for vehicles such as Chevrolet P30, Chevrolet P20, Chevrolet P10, Chevrolet Blazer, Chevrolet K5 Blazer, GMC P3500, GMC P2500, GMC P1500, GMC Jimmy, and related rear square-bend applications. This part cross-references Monroe Shocks & Struts (e.g., 361-423, 3753742) for the same application.

Common Problems This Part Can Address

• Loose or worn leaf spring-to-axle clamping hardware
• Corrosion-damaged U-bolts on rear suspension assemblies
• Incorrect clamp fit after suspension service
• Reduced axle retention from stretched or fatigued hardware
• Noise or movement at the rear leaf spring mount

Installation Notes and Tips

Verify leaf spring dimensions, inside width, inside length, thread diameter, and thread length before ordering. This kit is for specific rear applications with square-bend fitment notes, so confirm the axle and spring configuration on the vehicle before installation. Use the correct torque procedure for grade 8 suspension hardware and recheck fasteners after initial service.

Quality Assurance

Dorman supplies standard replacement suspension hardware engineered to match the application requirements of the original mounting setup. Confirm fitment against the vehicle year, make, model, and rear position before installation. Compatible With 1969-1999 Chevrolet and GMC rear leaf spring axle applications, including Chevrolet P30, P20, P10, Blazer, K5 Blazer, and GMC P3500, P2500, P1500, and Jimmy.