Home› Engine > Cylinder Block Components› TechPro GM1228126 Engine Cover - Lower
TechPro GM1228126 Engine Cover - LowerOE Quality 60-Day Returns
Part #: GM1228126

TechPro GM1228126 Engine Cover - Lower

Lower
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$84.74Free 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: Cadillac, STS
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? See all Engine Cover options

OE-Style Lower Engine Cover for Cadillac STS

TechPro GM1228126 is a lower engine cover built for factory-style fit and dependable service. It is made with high-quality materials to support durability and long-term performance on the vehicle.

  • Installs with factory-style precision
  • Built from high-quality materials for lasting durability
  • Supports reliable function in the lower engine area
  • Direct-fit replacement for select Cadillac STS applications
  • TechPro GM1228126 for OE-style service and value

Fitment and Application

Fits 2005-2010 Cadillac STS, lower. This lower engine cover matches the OE application for Cadillac STS models using OEM 25802477. TechPro GM1228126 is a direct replacement choice for owners searching for a 2005-2010 Cadillac STS lower engine cover or GM1228126 engine cover replacement.

This part cross-references OEM 25802477 for the same application.

What This Part Helps Address

  • Damaged or missing lower engine cover
  • Exposure of lower engine components to road debris
  • Loss of factory under-engine protection
  • Fitment issues from worn OE-style cover components
  • Need for a direct replacement on Cadillac STS lower applications

Installation Notes and Tips

Verify the vehicle year, make, model, and lower position before ordering. Compare the original cover to TechPro GM1228126 and confirm OEM 25802477 match points, mounting locations, and overall dimensions: 39.78 in. length, 25.35 in. width, and 3.12 in. height. Professional installation is recommended when replacing underbody engine components.

Quality Assurance

TechPro focuses on factory-style precision and durable construction for dependable replacement performance. GM1228126 is built to meet the needs of select Cadillac STS lower engine cover applications with an OE-style fit.

BrandTechPro
Part NumberGM1228126
HEIGHT (In)3.12
LENGTH (In)39.78
WEIGHT (lbs)34
WIDTH (In)25.35

This part fits 18 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2010CadillacSTSBase3.6LV6LowerOEM: 25802477
2009CadillacSTSPlatinum3.6LV6LowerOEM: 25802477
2009CadillacSTSBase3.6LV6LowerOEM: 25802477
2009CadillacSTSV4.4LV8LowerOEM: 25802477
2008CadillacSTSPlatinum3.6LV6LowerOEM: 25802477
2008CadillacSTSBase3.6LV6LowerOEM: 25802477
2008CadillacSTSPlatinum4.6LV8LowerOEM: 25802477
2008CadillacSTSBase4.6LV8LowerOEM: 25802477
2008CadillacSTSV4.4LV8LowerOEM: 25802477
2007CadillacSTSBase3.6LV6LowerOEM: 25802477
2007CadillacSTSBase4.6LV8LowerOEM: 25802477
2007CadillacSTSV4.4LV8LowerOEM: 25802477
2006CadillacSTSBase3.6LV6LowerOEM: 25802477
2006CadillacSTSBase4.6LV8LowerOEM: 25802477
2006CadillacSTSV4.4LV8LowerOEM: 25802477
2005CadillacSTSBase3.6LV6LowerOEM: 25802477
2005CadillacSTSBase4.6LV8LowerOEM: 25802477
2005CadillacSTSElegance4.6LV8LowerOEM: 25802477

* 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:

25802477

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Related Articles