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OE Quality
60-Day Returns
TechProPart #: GM1042121
TechPro GM1042121 Bumper Cover Support - Front Left
⚙️ 12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$51.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: GMC, Sierra 1500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Bumper Cover Support options
TechPro GM1042121 Bumper Cover Support - Front Left
| 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:
25966391
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.