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TechPro GM1103155 Bumper Assembly - Rear
Rear Bumper Assembly for Silverado and Sierra HD
TechPro GM1103155 is a rear bumper assembly for dual rear wheel heavy-duty trucks with a rear object sensor and without sensor compatibility. It is built for factory-style fitment and dependable everyday use on 2007-2010 Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD applications.
Use this TechPro bumper assembly when you need a direct replacement that matches the original rear bumper layout and mounting style. The primed finish supports paint matching for a clean OE-style repair on the Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD.
Key Features
- Rear bumper assembly for dual rear wheel trucks
- Fits vehicles with rear object sensor and without sensor compatibility
- Factory-style precision for consistent alignment
- Built from high-quality materials for durability and long-term performance
- Primed finish for paint preparation
- Part number: GM1103155
Detailed Product Overview
TechPro GM1103155 is a body replacement bumper assembly engineered for rear installation on 2007-2010 Chevrolet Silverado 3500 HD and 2007-2010 GMC Sierra 3500 HD models. The design supports dual rear wheel configurations and the specified rear sensor setup, helping restore the original rear-end appearance and function. With dimensions of 75.2 inches long, 29.5 inches high, and 7.9 inches wide, this bumper assembly is sized for the listed heavy-duty truck applications. The part number GM1103155 also cross-references OE number 20899965 for the same application.
What This Bumper Helps Address
- Damaged or bent rear bumper assembly
- Corrosion or wear on the original bumper
- Loss of proper rear bumper alignment
- Replacement needs after rear-end impact repair
- Restoration of OE-style rear appearance on Silverado 3500 HD and Sierra 3500 HD trucks
Installation Notes and Tips
Fits 2007-2010 Chevrolet Silverado 3500 HD, rear. Fits 2007-2010 GMC Sierra 3500 HD, rear. Confirm dual rear wheel configuration, rear object sensor setup, and without sensor compatibility before installation. Verify all mounting points and transfer any required vehicle-specific components from the original bumper assembly as needed. The primed surface should be prepared and painted before final installation for a finished appearance.
Quality Assurance
TechPro GM1103155 is built with durable materials and manufactured for factory-style precision to support reliable fit and lasting performance in heavy-duty rear bumper replacement applications.
| Brand | TechPro |
|---|---|
| Part Number | GM1103155 |
| HEIGHT (In) | 29.5 |
| LENGTH (In) | 75.2 |
| WEIGHT (lbs) | 8.5 |
| WIDTH (In) | 7.9 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Chevrolet | Silverado 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2010 | GMC | Sierra 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2009 | Chevrolet | Silverado 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2009 | GMC | Sierra 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2008 | Chevrolet | Silverado 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2008 | GMC | Sierra 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2007 | Chevrolet | Silverado 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
| 2007 | GMC | Sierra 3500 HD | Rear | Dual Rear Wheels; w/Rear Object Sensor; w/o Snsr Comp; primed; OEM: 20899965-PFM |
* 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.