Dorman 43-1791HD Leaf Spring Assembly - Rear

Durable Dorman Leaf Spring Assembly for Rear Suspension

The Dorman 43-1791HD leaf spring assembly is engineered for heavy-duty rear suspension applications. Constructed from high-quality steel with black bushings, this assembly is designed to provide reliable support and maintain vehicle stability under demanding loads.

• Heavy-duty suspension grade with a 7200 lb load rate
• Constructed from durable steel material for long-lasting performance
• Includes 10 leaves with a 3-inch leaf width for enhanced strength
• Black bushings included to reduce noise and vibration
• Designed for rear axle orientation with no axle modification required
• Leaf spring arch length of 1.5 inches and pack thickness of 4.99 inches

Technical Details and Construction

This Dorman leaf spring assembly (part number 43-1791HD) features a 10-leaf pack made from robust steel, ensuring it can handle heavy loads typical in trucks and commercial vehicles. The black bushings are pre-installed to provide smooth articulation and reduce wear. With a load rate of 7200 pounds, this assembly supports demanding rear suspension needs without requiring axle modifications. The 3-inch leaf width and 1.5-inch arch length contribute to maintaining proper ride height and vehicle stability.

Common Applications and Problem Solving

• Replacement for worn or broken rear leaf springs on heavy-duty trucks
• Restores proper suspension height and load capacity
• Addresses sagging or uneven rear suspension issues
• Improves vehicle handling under heavy loads
• Eliminates excessive noise and vibration from damaged bushings

Installation Notes and Tips

Installation of the Dorman 43-1791HD leaf spring assembly requires standard suspension tools and mechanical knowledge. No axle modifications are necessary, simplifying the replacement process. Ensure the vehicle is properly supported and aligned during installation. Since mounting hardware is not included, reuse existing hardware or acquire compatible components separately.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications for durability and performance. The steel construction and quality bushings contribute to a reliable suspension component. Please refer to Dorman's warranty policy for coverage details on this part number 43-1791HD.