Dorman 929-402 Leaf Spring Assembly - Rear Left

Durable Leaf Spring Assembly for Toyota Tundra Suspension

The Dorman 929-402 leaf spring assembly is designed to restore the suspension performance of your Toyota Tundra. Constructed from high-quality steel with a standard suspension grade, this black leaf spring assembly offers reliable support and durability for your vehicle's rear suspension system.

• Made from durable steel material for long-lasting strength
• Standard suspension grade suitable for everyday driving conditions
• Three-leaf design with a 61 mm leaf width for balanced load support
• Includes bushings for smooth operation and reduced noise
• Up turned eye attachments on both ends for direct fitment without axle modification
• Compatible with Toyota Tundra models requiring a 720 mm by 805 mm leaf spring length

Detailed Product Description

The Dorman 929-402 leaf spring assembly features a three-leaf pack with a 42 mm pack thickness and a 220 mm arch length, engineered to maintain proper ride height and suspension geometry. Its black finish provides corrosion resistance, helping to extend the service life of the component. Both ends of the spring have up turned eye attachments, allowing for straightforward installation without the need for axle modifications. This assembly includes bushings to ensure proper pivoting and reduce wear, although mounting hardware is not included. Designed specifically for Toyota Tundra trucks, this leaf spring assembly meets the Spring Research Institute number 90-219, ensuring compatibility and performance consistency.

Common Applications and Problem Resolution

• Restores sagging or worn rear suspension in Toyota Tundra vehicles
• Addresses uneven ride height and poor load handling
• Replaces broken or cracked leaf springs to improve vehicle stability
• Eliminates excessive rear-end bounce and improves ride comfort
• Supports proper axle alignment and suspension geometry

Installation Notes and Tips

Installation of the Dorman 929-402 leaf spring assembly requires removal of the old leaf spring and proper alignment of the new spring's up turned eye attachments. Since mounting hardware is not included, ensure you have the necessary bolts and fasteners before beginning installation. No axle modifications are needed, simplifying the replacement process. It is recommended to inspect related suspension components such as shackles and bushings during installation to maintain overall suspension integrity.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications for the Toyota Tundra. The steel construction and included bushings contribute to reliable performance and durability. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, please refer to Dorman's official documentation.