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Dorman 929-403 Leaf Spring - Rear Right
Overview of Dorman Leaf Spring Assembly 929-403
The Dorman Leaf Spring Assembly 929-403 is designed specifically for Toyota Tundra models, providing reliable suspension support with a standard suspension grade. Constructed from durable steel and finished in black, this leaf spring assembly ensures consistent performance and longevity for your vehicle's suspension system.
- Material: High-strength steel construction
- Color: Black finish for corrosion resistance
- Suspension Grade: Standard
- Leaf Quantity: 3 leaves for balanced load support
- Leaf Width: 61 mm
- Includes bushings for smooth operation
- End Attachments: Up turned eye on both ends
- No axle modification required for installation
- Length Axis 1: 715 mm, Length Axis 2: 805 mm
- Pack Thickness: 42 mm
- Leaf Spring Arch Length: 220 mm
Detailed Description of the Leaf Spring Assembly
This Dorman leaf spring assembly (part number 929-403) is engineered to meet the suspension needs of Toyota Tundra trucks. Featuring a three-leaf design, it provides a balanced combination of flexibility and strength to support the vehicle’s weight and absorb road shocks. The steel construction offers durability, while the black finish helps resist rust and wear. Both ends of the spring have up turned eye attachments, allowing for straightforward mounting without the need for axle modifications. Included bushings help reduce noise and vibration, contributing to a smoother ride.
Common Applications and Problem Solving
- Restores proper suspension height and alignment on Toyota Tundra models
- Replaces worn or broken leaf springs causing uneven ride or sagging
- Improves load carrying capacity and vehicle stability
- Addresses suspension noise related to worn bushings
- Eliminates issues with leaf spring arch deformation or fatigue
Installation Notes and Tips
Installation of the Dorman 929-403 leaf spring assembly requires no axle modifications, making it a direct replacement for compatible Toyota Tundra models. While bushings are included, mounting hardware is not, so ensure you have the necessary bolts and fasteners on hand. Proper torque specifications should be followed to maintain suspension integrity and safety. It is recommended to have the installation performed by a qualified technician or experienced mechanic.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet industry standards for suspension components. The steel material and precise engineering contribute to reliable performance under normal driving conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts. Verify warranty coverage with the product documentation or supplier at the time of purchase.
| Brand | Dorman |
|---|---|
| Part Number | 929-403 |
| Axle Modification Needed | No |
| Bushings Included | Yes |
| Color | Black |
| End 1 Attachment Type | Up Turned Eye |
| End 2 Attachment Type | Up Turned Eye |
| Helper Spring | No |
| Leaf Quantity | 3 |
| Leaf Spring Arch Length | 220 |
| Leaf Width | 61 |
| Length Axis 1 | 715 |
| Length Axis 2 | 805 |
| Material | Steel |
| Maximum Drop | 0 |
| Mounting Hardware Included | No |
| Pack Thickness | 42 |
| Package Contents | 1 Leaf Spring |
| Spring Research Institute Number | 90-221 |
| Suspension Grade Type | Standard |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Toyota | Tundra | 4WD | Rear Right | 4 Leaf |
| 2003 | Toyota | Tundra | 4WD | Rear Right | 4 Leaf |
| 2002 | Toyota | Tundra | 4WD | Rear Right | 4 Leaf |
| 2001 | Toyota | Tundra | 4WD | Rear Right | 4 Leaf |
| 2000 | Toyota | Tundra | 4WD | Rear Right | 4 Leaf |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.