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Dorman 929-124 Leaf Spring - Rear
Durable Leaf Spring Assembly for Chevrolet and GMC Trucks
The Dorman 929-124 leaf spring assembly is designed to restore suspension performance for Chevrolet Canyon and GMC Colorado models. Constructed from high-quality steel with a standard suspension grade, this leaf spring assembly offers reliable support and durability for your vehicle's suspension system.
- Made from durable steel material for long-lasting strength
- Standard suspension grade suitable for everyday driving conditions
- Includes 4 leaves with a 2.5-inch width for balanced load distribution
- Comes with bushings included for easier installation
- Features Berlin eye attachments on both ends for secure mounting
- No axle modification required, ensuring a straightforward replacement
- Black finish for corrosion resistance and a clean appearance
Detailed Product Description
The Dorman 929-124 leaf spring assembly is engineered specifically for Chevrolet Canyon and GMC Colorado trucks, providing a direct replacement for worn or damaged suspension springs. This assembly includes four steel leaves, each 2.5 inches wide, stacked to a pack thickness of 1.29 inches and an arch length of 7 inches. The black powder-coated finish helps resist rust and corrosion, extending the life of the spring. Both ends of the leaf spring feature Berlin eye attachments, which are compatible with the included bushings, simplifying installation without the need for additional axle modifications. Measuring 26 inches in length on both axes, this leaf spring assembly maintains the original suspension geometry and ride height.
Common Applications and Problem Solving
- Restores sagging or uneven rear suspension height
- Replaces cracked or broken leaf springs
- Improves load carrying capacity and vehicle stability
- Eliminates excessive rear-end bounce or sway
- Addresses worn suspension components causing poor handling
Installation Notes and Tips
Installation of the Dorman 929-124 leaf spring assembly requires basic suspension tools and mechanical knowledge. Since bushings are included, ensure they are properly seated in the Berlin eye mounts before installation. No axle modifications are necessary, which simplifies the replacement process. It is recommended to inspect related suspension components such as shackles and U-bolts during installation and replace if worn. Proper torque specifications should be followed to maintain safety and performance.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for fit, form, and function. The steel construction and protective black finish contribute to its durability under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Always verify warranty terms with the product documentation or supplier.
| Brand | Dorman |
|---|---|
| Part Number | 929-124 |
| Axle Modification Needed | No |
| Bushings Included | Yes |
| Color | Black |
| End 1 Attachment Type | Berlin Eye |
| End 2 Attachment Type | Berlin Eye |
| Helper Spring | No |
| Leaf Quantity | 4 |
| Leaf Spring Arch Length | 7 |
| Leaf Width | 2.5 |
| Length Axis 1 | 26 |
| Length Axis 2 | 26 |
| Material | Steel |
| Maximum Drop | 0 |
| Mounting Hardware Included | No |
| Pack Thickness | 1.29 |
| Package Contents | 1 Leaf Spring |
| Spring Research Institute Number | 22-1419 |
| Spring Research Institute Number | 22-1511 |
| Suspension Grade Type | Standard |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2012 | Chevrolet | Colorado | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2012 | GMC | Canyon | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2012 | GMC | Canyon | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2011 | Chevrolet | Colorado | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2011 | Chevrolet | Colorado | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2011 | GMC | Canyon | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2011 | GMC | Canyon | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2010 | Chevrolet | Colorado | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2010 | Chevrolet | Colorado | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2010 | GMC | Canyon | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2010 | GMC | Canyon | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2009 | Chevrolet | Colorado | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2009 | Chevrolet | Colorado | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2009 | GMC | Canyon | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2009 | GMC | Canyon | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | Chevrolet | Colorado | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | Chevrolet | Colorado | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | GMC | Canyon | Standard Cab Pickup | 3.7L | L5 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2008 | GMC | Canyon | Standard Cab Pickup | 2.9L | L4 | Rear | w/RPO Code Z85 (Increased Capacity Chassis Package) |
| 2007 | Chevrolet | Colorado | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2007 | GMC | Canyon | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2006 | Chevrolet | Colorado | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2006 | GMC | Canyon | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2005 | Chevrolet | Colorado | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2005 | GMC | Canyon | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2004 | Chevrolet | Colorado | Standard Cab Pickup | Rear | w/Off Road Package | ||
| 2004 | GMC | Canyon | Standard Cab Pickup | Rear | w/Off Road Package |
* 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.