Dorman 90-122 Leaf Spring Assembly - Front

Durable Leaf Spring Assembly for Toyota 4Runner and Pickup

The Dorman 90-122 leaf spring assembly is engineered to restore suspension performance on Toyota 4Runner and Pickup models. Constructed from high-quality steel with black bushings, this front axle leaf spring provides reliable support and consistent load handling for standard replacement needs.

• Material: Heavy-duty steel construction for strength and durability
• Color: Black finish with black bushings for corrosion resistance
• Leaf Quantity: 4 leaves with a 2.375-inch width for balanced load distribution
• Load Rate: 1545 lbs to maintain proper suspension stiffness
• Designed for front axle orientation with no axle modification required
• Includes bushings for direct replacement; mounting hardware not included
• Pack thickness of 1.181 inches and arch length of 2.375 inches for precise fitment

Product Details and Specifications

The Dorman 90-122 leaf spring assembly is a standard replacement suspension component designed specifically for the front axle of Toyota 4Runner and Pickup vehicles. Made from robust steel, this assembly features four leaves, each 2.375 inches wide, providing a load rate of 1545 lbs to support vehicle weight and maintain ride height. The black bushings included help reduce noise and vibration, ensuring a smoother driving experience. This leaf spring assembly does not require any axle modifications, making it a straightforward replacement option for restoring suspension integrity.

Common Applications and Problem Solving

• Restores sagging or worn-out front suspension springs on Toyota 4Runner and Pickup
• Addresses uneven ride height or poor load handling due to damaged leaf springs
• Eliminates excessive suspension noise caused by deteriorated bushings
• Improves vehicle stability and handling by replacing fatigued spring components
• Suitable for standard replacement without the need for helper springs or axle modifications

Installation Notes and Tips

Installation of the Dorman 90-122 leaf spring assembly requires removal of the old leaf spring pack and careful alignment of the new assembly on the front axle. Since mounting hardware is not included, ensure you have the appropriate bolts and fasteners on hand. The included black bushings should be inspected for proper seating during installation to avoid premature wear. No axle modifications are necessary, simplifying the replacement process for professional mechanics and experienced DIYers alike.

Quality Assurance and Warranty

Dorman manufactures the 90-122 leaf spring assembly to meet or exceed OEM standards for material quality and performance. The steel construction and durable bushings are designed to provide long-lasting suspension support. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.