Dorman 929-140 Leaf Spring - Rear

Reliable Rear Leaf Spring Assembly for Dodge Ram 1500

The Dorman 929-140 leaf spring assembly is designed to restore the rear suspension performance of your Dodge Ram 1500. Constructed from durable steel with black bushings included, this standard-grade leaf spring assembly offers dependable support and ride quality for your vehicle.

• Constructed from high-strength steel for durability
• Includes black bushings for smooth operation
• Standard suspension grade type suitable for daily driving
• Four leaves with 2.5-inch width for balanced load support
• Rear axle orientation with no axle modification required
• Features Berlin eye and up turned eye attachment types
• Load rate of 1715 lb to handle typical payloads
• Leaf spring arch length of 7.5 inches for proper suspension geometry
• Pack thickness of 1.9 inches ensuring correct fitment

This Dorman leaf spring assembly (part number 929-140) is engineered specifically for the rear suspension of Dodge Ram 1500 trucks. The assembly includes four steel leaves with a 2.5-inch width, providing a balanced and stable ride. The black bushings are pre-installed to reduce noise and wear, while the Berlin eye and up turned eye attachment types ensure compatibility with the factory mounting points. With a load rate of 1715 pounds, this leaf spring assembly supports standard payloads without requiring axle modifications. The 31.25- and 32-inch length axes and 7.5-inch arch length maintain the original suspension geometry for consistent handling and ride comfort.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension on Dodge Ram 1500
• Replaces broken or cracked leaf springs to improve vehicle stability
• Addresses uneven ride height or poor load handling
• Eliminates excessive rear-end bounce or sway
• Supports proper axle alignment and suspension travel

Installation Notes and Tips

The Dorman 929-140 leaf spring assembly is designed for direct replacement on the rear axle of Dodge Ram 1500 models without requiring axle modifications. Bushings are included, but mounting hardware is not, so reuse existing hardware or purchase separately. Properly torque all fasteners to manufacturer specifications and inspect related suspension components during installation. It is recommended to have a professional alignment performed after installation to ensure optimal handling and tire wear.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for fit, form, and function. The steel construction and pre-installed bushings contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on suspension components; consult product documentation or manufacturer resources for exact coverage.