Dorman 90-143 Leaf Spring Assembly - Rear

Durable Leaf Spring Assembly for Toyota T100 Rear Suspension

The Dorman 90-143 leaf spring assembly is designed to provide reliable rear suspension support for Toyota T100 trucks. Constructed from high-quality steel with a black finish, this replacement leaf spring assembly offers a standard suspension grade suitable for everyday driving and load conditions.

Key Features of the Dorman 90-143 Leaf Spring Assembly

• Material: Heavy-duty steel construction for strength and durability
• Color: Black finish for corrosion resistance and long service life
• Leaf Quantity: 3 leaves with a 2.375-inch width for balanced load distribution
• Load Rate: 1650 lbs, designed for standard suspension replacement needs
• Bushing Color: Black bushings included to reduce noise and vibration
• Axle Orientation: Rear axle application, compatible with Toyota T100 models
• No axle modification required for installation
• Leaf Spring Arch Length: 6.75 inches for proper suspension geometry

Detailed Description of the Dorman 90-143 Leaf Spring Assembly

This leaf spring assembly is engineered to meet the suspension requirements of Toyota T100 trucks, providing a direct replacement for worn or damaged rear springs. The assembly features three steel leaves, each 2.375 inches wide, stacked to deliver a load rate of 1650 pounds. The black finish helps protect against rust and environmental wear, while the included black bushings help maintain smooth operation and reduce suspension noise. With a leaf spring arch length of 6.75 inches, this assembly maintains the correct ride height and axle positioning without the need for axle modifications.

Common Applications and Issues Addressed

• Replacement for sagging or broken rear leaf springs on Toyota T100
• Restores proper ride height and vehicle stability under load
• Improves rear suspension performance and load handling
• Reduces noise and vibration caused by worn bushings
• Prevents uneven tire wear due to suspension misalignment

Installation Notes and Tips

The Dorman 90-143 leaf spring assembly is designed for straightforward installation on the rear axle of Toyota T100 trucks. No axle modifications are necessary, simplifying the replacement process. It is recommended to inspect mounting points and hardware before installation, as mounting hardware is not included. Proper torque specifications should be followed to ensure safe and secure attachment.

Quality Assurance and Warranty Information

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for material and performance. The steel construction and protective black finish contribute to long-lasting durability. This product includes bushings to ensure proper suspension function. Warranty details should be confirmed with the supplier or manufacturer, as coverage may vary.