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Dorman 22-1781 Leaf Spring Assembly - Rear
Reliable Leaf Spring Assembly for Chevrolet and GMC Trucks
The Dorman 22-1781 leaf spring assembly is designed to restore the rear suspension performance of your Chevrolet Canyon or GMC Colorado. Constructed from durable steel with black bushings, this replacement part offers a standard suspension grade suitable for everyday driving and load handling.
- Constructed from high-quality steel for strength and durability
- Includes black bushings for smooth suspension operation
- Standard suspension grade replacement for reliable performance
- Four-leaf design with 2.5-inch leaf width and 4.625-inch arch length
- Compatible with rear axle orientation, no axle modification required
- Load rate of 1300 lbs to support typical vehicle weight and cargo
- Pack thickness of 1.938 inches and length of 23.875 inches
Durable Construction and Precise Fitment
This Dorman leaf spring assembly (part number 22-1781) is engineered from steel to provide consistent support and maintain proper ride height for your Chevrolet Canyon or GMC Colorado. The black bushings included help reduce noise and vibration, contributing to a smoother ride. With a four-leaf configuration and a 2.5-inch leaf width, this assembly balances load capacity and flexibility. The 4.625-inch arch length ensures proper suspension geometry, while the 1300 lb load rate matches standard replacement requirements without the need for axle modifications.
Common Applications and Problem Resolution
- Restores sagging or worn rear suspension springs
- Eliminates uneven ride height or vehicle leaning
- Improves load carrying capacity and stability
- Reduces noise and vibration caused by worn bushings
- Replaces damaged or corroded leaf spring assemblies
Installation Notes and Tips
The Dorman 22-1781 leaf spring assembly is designed for direct replacement on the rear axle of Chevrolet Canyon and GMC Colorado models. No axle modifications are necessary, simplifying installation. 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 effective suspension performance.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for material and construction. The steel build and included bushings are tested for durability and performance under typical driving conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in material and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | 22-1781 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 1300 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 4 |
| Leaf Width | 2.5 |
| Axle Orientation | Arrière |
| Axle Orientation | Rear |
| Axle Orientation | Trasero |
| Helper Spring | No |
| Helper Spring | Non |
| Axle Modification Needed | No |
| Axle Modification Needed | Non |
| Bushings Included | Oui |
| Bushings Included | Sí |
| Bushings Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Length Axis 1 | 23.875 |
| Length Axis 2 | 23.875 |
| Pack Thickness | 1.938 |
| Leaf Spring Arch Length | 4.625 |
| Spring Research Institute Number | 22-1781 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2024 | Chevrolet | Colorado | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2024 | GMC | Canyon | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2023 | Chevrolet | Colorado | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2023 | GMC | Canyon | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2022 | Chevrolet | Colorado | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2022 | GMC | Canyon | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2021 | Chevrolet | Colorado | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2021 | GMC | Canyon | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2020 | Chevrolet | Colorado | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2020 | GMC | Canyon | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2019 | Chevrolet | Colorado | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2019 | GMC | Canyon | Rear | 3 Leaf /1 Leaf /Two Stage Spring |
| 2018 | Chevrolet | Colorado | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2018 | GMC | Canyon | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2017 | Chevrolet | Colorado | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2017 | GMC | Canyon | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2016 | Chevrolet | Colorado | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2016 | GMC | Canyon | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2015 | Chevrolet | Colorado | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
| 2015 | GMC | Canyon | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.9375 In. Pack Thickness; 1,300 Lb. Average Capacity |
* 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.