Dorman 929-126 Leaf Spring - Rear, Rear Left or Rear Right

Durable Leaf Spring Assembly for Chevrolet and GMC Trucks

The Dorman 929-126 leaf spring assembly is engineered to restore suspension performance for select Chevrolet and GMC heavy-duty trucks. Constructed from steel and finished in black, this standard-grade leaf spring assembly is designed to meet factory specifications without requiring axle modifications.

Key Features of the Dorman 929-126 Leaf Spring Assembly

• Material: High-strength steel for durability and load support
• Color: Black finish for corrosion resistance
• Leaf Quantity: 4 leaves providing balanced suspension support
• Leaf Width: 2.5 inches for consistent load distribution
• Suspension Grade Type: Standard, suitable for typical heavy-duty use
• Includes bushings for proper fit and function
• End Attachments: Berlin eye design on both ends for secure mounting
• No axle modification needed for installation
• Length: 32 inches on both axes for precise fitment
• Pack Thickness: 2.51 inches with a 6.6-inch arch length

Detailed Description of the Dorman 929-126 Leaf Spring Assembly

This leaf spring assembly is specifically designed for Chevrolet and GMC trucks including the Sierra 1500 HD, Sierra 2500 HD, Silverado 1500 HD, and Silverado 2500 HD models, including Classic variants. The assembly features four steel leaves with a 2.5-inch width, providing reliable suspension support for heavy-duty applications. The black finish helps resist corrosion, extending the service life of the spring. Both ends utilize Berlin eye attachments, ensuring compatibility with factory mounting points and eliminating the need for axle modifications. Included bushings help reduce noise and wear, although mounting hardware is not included. The spring’s dimensions and arch length are engineered to match original equipment specifications, maintaining ride height and handling characteristics.

Common Applications and Issues Addressed

• Restores suspension performance on Chevrolet Sierra 1500 HD and Silverado 2500 HD trucks
• Replaces worn or sagging leaf springs causing uneven ride height
• Corrects handling issues related to leaf spring fatigue or damage
• Supports proper load distribution for heavy-duty towing and hauling
• Eliminates noise and vibration caused by deteriorated bushings

Installation Notes and Tips

• No axle modifications are required, simplifying installation
• Ensure bushings are properly seated to avoid premature wear
• Use appropriate tools to safely compress and install the leaf spring
• Verify vehicle ride height and alignment after installation
• Mounting hardware is not included; reuse existing hardware or purchase separately

Quality Assurance and Warranty Information

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards, ensuring reliable performance and durability. The product includes bushings to enhance fit and function. While mounting hardware is not included, the assembly is designed for direct replacement without axle modifications. Please refer to Dorman’s warranty policy for specific coverage details.