Dorman 929-143 Leaf Spring Assembly - Rear

Durable Leaf Spring Assembly for Dodge Ram 2500 and 3500

The Dorman 929-143 leaf spring assembly is engineered to restore the rear suspension performance of Dodge Ram 2500 and Ram 3500 trucks. Constructed from high-quality steel with a standard suspension grade, this assembly provides reliable support and consistent load handling for your vehicle.

• Made from durable steel material for long-lasting strength
• Includes four black leaf springs with a 3-inch width each
• Rear axle orientation designed specifically for Dodge Ram 2500 and 3500 models
• Comes with black bushings pre-installed for smooth operation
• Standard suspension grade with a load rate of 3300 lbs
• Features Berlin eye and up turned eye attachment types for secure mounting
• No axle modification required for installation
• Leaf spring arch length of 6.5 inches and pack thickness of 3.5 inches

This Dorman leaf spring assembly (part number 929-143) is designed to meet the suspension needs of Dodge Ram 2500 and Ram 3500 trucks. The assembly includes four steel leaf springs, each 3 inches wide, arranged to provide a balanced and stable ride. The black bushings included help reduce noise and wear, while the rear axle orientation ensures proper fitment without the need for axle modifications. With a load rate of 3300 pounds, this leaf spring assembly supports heavy-duty applications and maintains vehicle stability under load. The combination of Berlin eye and up turned eye attachment types allows for secure and reliable mounting to the vehicle’s suspension system.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension in Dodge Ram 2500 and 3500 trucks
• Addresses uneven ride height and poor load handling
• Replaces broken or cracked leaf springs to improve vehicle safety
• Eliminates excessive rear-end bounce and improves stability
• Supports heavy payloads with a 3300 lb load rating

Installation Notes and Tips

Installation of the Dorman 929-143 leaf spring assembly requires no axle modifications, making it a direct replacement for compatible Dodge Ram 2500 and 3500 models. While bushings are included, mounting hardware is not, so ensure you have the necessary bolts and fasteners before beginning installation. Proper alignment of the Berlin eye and up turned eye ends is essential for optimal suspension performance. It is recommended to have the installation performed by a qualified technician to maintain safety and suspension integrity.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications for durability and performance. The steel construction and suspension-grade design provide reliable support for heavy-duty use. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Refer to Dorman’s official documentation for complete warranty information.