Dorman 929-146 Leaf Spring - Rear

Durable Leaf Spring Assembly for Ford F-250 and F-350 Super Duty

The Dorman 929-146 leaf spring assembly is engineered to restore the rear suspension performance of your Ford F-250 Super Duty or F-350 Super Duty. Constructed from high-quality steel with black bushings included, this standard suspension grade leaf spring assembly offers reliable support and durability for heavy-duty applications.

Key Features of Dorman Leaf Spring Assembly 929-146

• Material: Robust steel construction for strength and longevity
• Black bushings included for smooth axle articulation
• Standard suspension grade designed for rear axle orientation
• Four leaves with a 3-inch width and 2.5-inch pack thickness
• Leaf spring arch length of 6.25 inches for proper suspension geometry
• Berlin eye attachment type on both ends for secure mounting
• Load rate of 3300 lbs suitable for heavy-duty Ford trucks
• No axle modification or helper spring required
• Length of 33.25 inches on both axes for precise fitment

Detailed Description of the Dorman 929-146 Leaf Spring Assembly

This leaf spring assembly is specifically designed for the rear suspension of Ford F-250 Super Duty and F-350 Super Duty models. The steel construction ensures durability under heavy loads, while the black bushings included help reduce noise and wear. With four leaves measuring 3 inches in width and a pack thickness of 2.5 inches, this assembly maintains the proper ride height and suspension performance. The Berlin eye attachments on both ends provide a secure and reliable connection to the vehicle’s chassis and axle. The 3300 lb load rate supports the demanding requirements of these trucks without the need for axle modifications or additional helper springs.

Common Applications and Issues Addressed

• Restores sagging or worn rear suspension in Ford F-250 and F-350 Super Duty trucks
• Improves load carrying capacity and ride stability
• Replaces damaged or corroded leaf springs to maintain proper vehicle height
• Eliminates excessive rear-end bounce and improves handling
• Supports heavy-duty towing and hauling demands

Installation Notes and Tips

• Compatible with rear axle suspension on Ford F-250 and F-350 Super Duty models
• Bushings are included, but mounting hardware is not; ensure you have the correct hardware for installation
• No axle modifications are necessary for installation
• Professional installation is recommended to ensure proper alignment and torque specifications
• Inspect related suspension components during installation for wear or damage

Quality Assurance and Warranty Information

Dorman leaf spring assemblies are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 929-146 part number undergoes rigorous quality control to provide consistent load support and fitment. While specific warranty details may vary, Dorman typically offers a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.