OE Quality
60-Day Returns

Dorman 999-990 Suspension Shock Absorber Bracket - Rear Upper
Durable Suspension Shock Absorber Bracket for Chevrolet and GMC
The Dorman 999-990 suspension shock absorber bracket is engineered specifically for Chevrolet and GMC trucks, including the Cheyenne, Sierra, Sierra 1500, and Silverado 1500 models. Constructed from robust steel with a green finish, this bracket provides reliable support for your vehicle's suspension system.
- Made from high-quality steel with a 5mm material thickness for strength and durability
- Designed with a single mount hole for precise fitment and secure attachment
- Green color coating for corrosion resistance and long-lasting performance
- Welded attachment type ensures structural integrity under stress
- Specific fit for Chevrolet Cheyenne, GMC Sierra, Sierra 1500, and Silverado 1500 models
Product Details and Specifications
The Dorman 999-990 suspension shock absorber bracket is manufactured from steel, providing the necessary rigidity to support shock absorbers in heavy-duty truck applications. Its 5mm thickness enhances durability, while the green finish offers protection against rust and environmental wear. The bracket features one mount hole with a width of 2.1 inches on axis 1 and 3 inches on axis 2, designed for a precise fit on specified Chevrolet and GMC models. The welded attachment type ensures a secure and stable connection to the vehicle's suspension system. This bracket is sold individually and does not include mounting hardware.
Applications and Problem Solving
- Replaces worn or damaged suspension shock absorber brackets on Chevrolet Cheyenne and GMC Sierra trucks
- Restores proper shock absorber alignment to improve ride stability and handling
- Prevents excessive suspension movement caused by bracket failure
- Addresses corrosion or metal fatigue issues in original suspension mounting points
- Supports suspension components to reduce noise and vibration during operation
Installation Notes and Tips
Installation of the Dorman 999-990 bracket requires basic mechanical skills and appropriate tools. Since mounting hardware is not included, ensure you have the correct bolts and fasteners compatible with your vehicle. Verify the bracket orientation and alignment before welding or bolting it into place. It is recommended to inspect surrounding suspension components during installation for any additional wear or damage.
Quality Assurance and Warranty
Dorman suspension parts are manufactured to meet or exceed OEM standards for fit and function. The 999-990 bracket undergoes quality checks to ensure durability and performance in demanding conditions. Please refer to Dorman's official warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 999-990 |
| Material | Acero |
| Material | Steel |
| Color | Green |
| Color | Verde |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Universal Or Specific Fit | Específico |
| Universal Or Specific Fit | Specific |
| Material Thickness | 5 |
| Axis 1 Mount Hole Quantity | 1 |
| Axis 1 Mount Hole Quantity | 1 ensamble de manguera del calentador |
| Axis 1 Width | 2.1 |
| Axis 2 Width | 3 |
| Attachment Type | Soldadas |
| Attachment Type | Welded |
| Contenidos del paquete | 1 soporte |
| Package Contents | 1 bracket |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2013 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2013 | GMC | Sierra | Standard Cab Pickup | 6' 6" Foot Bed | AWD | Rear Upper | 2 Required Per Vehicle |
| 2013 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2012 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2012 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2012 | GMC | Sierra | Standard Cab Pickup | 6' 6" Foot Bed | AWD | Rear Upper | 2 Required Per Vehicle |
| 2012 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2011 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2011 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2011 | GMC | Sierra | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2011 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2010 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2010 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2010 | GMC | Sierra | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2010 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2009 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2009 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2009 | GMC | Sierra | Crew Cab Pickup | 5' 9" Foot Bed | AWD | Rear Upper | 2 Required Per Vehicle |
| 2009 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2008 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2008 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2008 | GMC | Sierra | Crew Cab Pickup | 5' 9" Foot Bed | AWD | Rear Upper | 2 Required Per Vehicle |
| 2008 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2007 | Chevrolet | Cheyenne | Crew Cab Pickup | 5' 9" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2007 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear Upper | 2 Required Per Vehicle |
| 2007 | GMC | Sierra | Crew Cab Pickup | 5' 9" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
| 2007 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | RWD | Rear Upper | 2 Required Per Vehicle |
* 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.