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TechPro GM1042121 Bumper Cover Support - Front Left
GMC Sierra 1500 Bumper Cover Support
Restore the front-left bumper structure on your truck with this TechPro bumper cover support. It is built for factory-style precision and a clean, seamless appearance on the 2007-2013 GMC Sierra 1500, front left.
TechPro GM1042121 is made with durable materials and follows the upper cover rear support side mounting location for a direct-fit replacement. It excludes hybrid models and is intended for owners replacing a damaged or missing bumper cover support on a GMC Sierra 1500.
Key Features
- Fits 2007-2013 GMC Sierra 1500, front left
- Upper cover rear support side placement
- Factory-style precision for OE-like alignment
- Constructed from high-quality materials for durability
- Helps restore the bumper cover’s original appearance
- Part number: GM1042121
Detailed Description
This bumper cover support is a direct replacement for the front-left upper cover rear support on the GMC Sierra 1500. It is shaped to match factory mounting points and support the bumper cover with the correct alignment, helping maintain the vehicle’s original front-end fit and finish. TechPro GM1042121 also cross-references OEM part number 25966391 for the same application.
For buyers searching for a 2007-2013 GMC Sierra 1500 front left bumper cover support, this part provides a practical solution when the original support is cracked, bent, or no longer holding the bumper cover in position. The design focuses on fitment accuracy and lasting performance rather than universal coverage.
What It Helps Fix
- Loose or misaligned front bumper cover
- Broken upper cover rear support on the driver-side front corner
- Visible gaps between the bumper cover and adjacent body panels
- Damage from minor front-end impacts or wear
- Loss of original front-end appearance on a GMC Sierra 1500
Installation Notes and Tips
Install this support at the upper cover rear support side in the front-left position. Verify vehicle trim and configuration before ordering, since hybrid models are excluded. Compare the existing mounting points and OEM reference 25966391 to confirm application match before installation.
Quality Assurance
TechPro GM1042121 is built with high-quality materials and factory-style precision to support consistent fit and dependable service on the GMC Sierra 1500. The part is engineered as an OE-style replacement for the listed application.
| Brand | TechPro |
|---|---|
| Part Number | GM1042121 |
| HEIGHT (In) | 4.7 |
| LENGTH (In) | 10.6 |
| WEIGHT (lbs) | 1.2 |
| WIDTH (In) | 5.1 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 | |
| 2013 | GMC | Sierra 1500 | Hybrid | Front Left | Upper Cover Rear Support; OEM: 25966391 |
| 2012 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 | |
| 2012 | GMC | Sierra 1500 | Hybrid | Front Left | Upper Cover Rear Support; OEM: 25966391 |
| 2011 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 | |
| 2011 | GMC | Sierra 1500 | Hybrid | Front Left | Upper Cover Rear Support; OEM: 25966391 |
| 2010 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 | |
| 2010 | GMC | Sierra 1500 | Hybrid | Front Left | Upper Cover Rear Support; OEM: 25966391 |
| 2009 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 | |
| 2009 | GMC | Sierra 1500 | Hybrid | Front Left | Upper Cover Rear Support; OEM: 25966391 |
| 2008 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 | |
| 2007 | GMC | Sierra 1500 | Front Left | Upper Cover Rear Support; OEM: 25966391 |
* 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.