Dorman 22-1531 Leaf Spring Assembly - Rear

Durable Leaf Spring Assembly for Chevrolet and GMC Trucks

The Dorman 22-1531 leaf spring assembly is engineered to restore suspension performance on select Chevrolet and GMC heavy-duty trucks. Constructed from high-quality steel with a black finish, this leaf spring assembly offers reliable support and durability for rear axle suspension systems.

• Made from robust steel material with a corrosion-resistant black coating
• Designed for rear axle orientation on heavy-duty Chevrolet and GMC trucks
• Standard replacement suspension grade with a load rate of 2600 lbs
• Includes black bushings for smooth operation and reduced noise
• Single leaf spring design with a 2.5-inch leaf width and 32-inch length
• No axle modification or helper spring required for installation

Product Details and Specifications

The Dorman 22-1531 leaf spring assembly is a standard replacement part designed specifically for rear suspension systems on Chevrolet Sierra 2500, Sierra 3500, Silverado 2500, and Silverado 3500 models, including HD and Classic variants. The assembly features a single leaf spring with a 2.5-inch width and a 32-inch length, providing a load rate of 2600 pounds to support heavy-duty applications. Its steel construction ensures strength and longevity, while the black bushings help minimize vibration and wear. The leaf spring arch length measures 5.75 inches, and the pack thickness is 3.544 inches, matching OEM specifications for a direct fit without axle modifications.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension on Chevrolet Sierra 2500 and Silverado 3500 trucks
• Replaces broken or cracked leaf springs to maintain proper vehicle height and load support
• Improves ride stability and handling under heavy loads
• Eliminates excessive rear axle movement and noise caused by deteriorated bushings
• Supports towing and hauling demands by restoring suspension integrity

Installation Notes and Tips

This leaf spring assembly is designed for direct replacement on rear axles of compatible Chevrolet and GMC trucks without requiring axle modifications. It is recommended to inspect mounting points and hardware before installation, as mounting hardware is not included. Proper torque specifications should be followed to ensure secure attachment and optimal suspension performance. Professional installation is advised for safety and alignment accuracy.

Quality Assurance and Warranty

Dorman manufactures the 22-1531 leaf spring assembly to meet or exceed OEM standards for durability and fitment. The steel construction and quality bushings contribute to long service life under demanding conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.