Dorman 43-1579 Leaf Helper Spring - Rear

Durable Leaf Helper Spring for Ford F-350 Super Duty

The Dorman 43-1579 leaf helper spring is engineered to provide additional support and load capacity for your Ford F-350 Super Duty. Constructed from high-quality steel, this black leaf spring enhances suspension strength and stability under heavy loads.

• Made from durable steel material for long-lasting performance
• Measures 41.625 inches in length and 3 inches in width
• Thickness of 0.473 inches for reliable load support
• Increases leaf spring load capacity by 450 lbs
• Compatible specifically with Ford F-350 Super Duty models
• Package includes one leaf spring (mounting hardware not included)

Product Details and Specifications

The Dorman 43-1579 leaf helper spring is designed to reinforce the existing suspension system of the Ford F-350 Super Duty. Crafted from robust steel, it features a black finish that resists corrosion and wear. With a length of 41.625 inches, width of 3 inches, and thickness of 0.473 inches, this helper spring is built to increase the load rating by 450 pounds, providing additional support when carrying heavy payloads or towing. This part is ideal for drivers seeking to maintain suspension integrity and improve vehicle handling under increased weight conditions.

Common Applications and Benefits

• Helps reduce sagging in the rear suspension when carrying heavy loads
• Improves vehicle stability and handling during towing or hauling
• Minimizes excessive leaf spring wear and potential damage
• Supports safer driving by maintaining proper ride height
• Extends the lifespan of the primary leaf springs

Installation Notes and Tips

Installation of the Dorman 43-1579 leaf helper spring requires basic suspension knowledge and appropriate tools. Note that mounting hardware is not included, so ensure you have the necessary bolts and brackets compatible with your Ford F-350 Super Duty. It is recommended to inspect the existing suspension components for wear or damage before installation. Proper alignment and torque specifications should be followed to ensure optimal performance and safety.

Quality Assurance and Warranty

Dorman manufactures this leaf helper spring to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Dorman parts typically come with a limited warranty against defects in material and workmanship. Using this part helps maintain the structural integrity of your Ford F-350 Super Duty’s suspension system under demanding conditions.