Dorman 722-121 Leaf Spring Shackle - Rear Rearward

Durable Leaf Spring Shackle for Chevrolet and GMC Trucks

The Dorman 722-121 leaf spring shackle is engineered to provide reliable suspension support for select Chevrolet and GMC trucks. Designed with steel construction and included bushings, this shackle ensures consistent performance and durability for your vehicle's suspension system.

• Constructed from high-quality steel for strength and longevity
• Includes black bushings with a 1.99 inch outside diameter and 0.57 inch inside diameter
• Comes with standard grade steel bolts in silver color, featuring a 14 mm diameter and 4.8 inch length
• Mounting hardware included for straightforward installation
• Shackle width measures 1.66 inches, compatible with specific Chevrolet and GMC models

Technical Details and Specifications

The Dorman 722-121 leaf spring shackle is designed to meet the suspension needs of Chevrolet Cheyenne, GMC Sierra, Sierra 1500, Sierra 1500 Limited, Silverado 1500, Silverado 1500 LD, and Suburban 3500 HD models. The steel material provides a solid foundation for suspension movement, while the included bushings reduce friction and wear. The bolt specifications include a 14 mm diameter, 4.8 inch length, and 2.07 inch thread length, ensuring secure attachment and proper fitment. The black bushings measure 3.01 inches in length, contributing to smooth articulation of the leaf spring assembly.

Compatible Vehicles and Applications

This leaf spring shackle is compatible with the following vehicles:

• Chevrolet Cheyenne
• GMC Sierra and Sierra 1500 series, including Sierra 1500 Limited
• Chevrolet Silverado 1500 and Silverado 1500 LD
• Chevrolet Suburban 3500 HD

It is designed to replace worn or damaged shackles in the suspension system, restoring proper leaf spring function and vehicle stability.

Common Suspension Issues Addressed

• Excessive leaf spring movement causing unstable ride quality
• Worn or damaged bushings leading to noise and vibration
• Corroded or weakened shackles compromising suspension integrity
• Loose or missing mounting hardware affecting suspension alignment
• Uneven tire wear due to improper suspension articulation

Installation Notes and Tips

Installation of the Dorman 722-121 leaf spring shackle includes the necessary mounting hardware for a complete replacement. It is recommended to inspect the leaf springs and surrounding suspension components during installation. Proper torque specifications should be followed for the included bolts to ensure secure fitment. Lubricating the bushings before installation can help reduce initial friction and noise. Professional installation is advised if you are unfamiliar with suspension repairs.

Quality Assurance and Warranty

Dorman manufactures this leaf spring shackle with steel materials and standard grade bolts to meet OEM standards for durability and performance. The product includes bushings and mounting hardware to facilitate a reliable replacement. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.