HomeTechPro GM1221139 Headlight Mounting Panel
Part #: GM1221139

TechPro GM1221139 Headlight Mounting Panel

⚙️ 16 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$83.88Free 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.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, Pontiac, and Saturn, Montana, Relay, Terraza, and Uplander
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of TechPro Headlight Mounting Panel GM1221139

The TechPro Headlight Mounting Panel GM1221139 is designed for reliable exterior lighting support on select GM vehicles. This mounting panel provides a sturdy base for headlight assemblies on Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models.

  • Dimensions: 70 inches length, 16 inches width, 13 inches height
  • Weight: 17 lbs for durable yet manageable installation
  • Compatible with multiple GM minivan and crossover models
  • Constructed to maintain proper headlight alignment and fitment

Product Details and Specifications

This headlight mounting panel measures 70 inches in length, 16 inches in width, and 13 inches in height, providing a precise fit for the front lighting assembly area. Weighing 17 pounds, it balances strength and ease of handling during installation. The panel is engineered to support the headlight securely, ensuring consistent lighting performance and alignment on Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander vehicles. The part number GM1221139 identifies this specific mounting panel within TechPro's product range.

Compatible Vehicles and Use Cases

This mounting panel is compatible with the following makes and models:

  • Buick Montana
  • Chevrolet Relay
  • Pontiac Terraza
  • Saturn Uplander

It is used to address issues such as:

  • Damaged or broken headlight mounting points
  • Misaligned headlights affecting beam direction
  • Corrosion or wear compromising headlight stability
  • Replacement during front-end collision repairs
  • Restoring factory fitment for exterior lighting components

Installation Notes and Tips

When installing the TechPro GM1221139 headlight mounting panel, ensure the vehicle is securely supported and the front fascia is removed carefully to access the mounting area. Verify the panel dimensions against the vehicle’s frame to confirm proper alignment. Use appropriate tools to avoid damage to the mounting points and surrounding components. Double-check headlight alignment after installation to maintain optimal lighting performance.

Quality Assurance and Warranty

TechPro manufactures this headlight mounting panel to meet OEM standards for fit and durability. While specific warranty details are not provided, TechPro products typically undergo quality control inspections to ensure reliable performance. For warranty information, refer to TechPro’s official documentation or contact authorized distributors.

BrandTechPro
Part NumberGM1221139
HEIGHT (In)13
LENGTH (In)70
WEIGHT (lbs)17
WIDTH (In)16

This part fits 16 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2009ChevroletUplanderN/AOEM: 15798109
2009PontiacMontanaSV6N/AOEM: 15798109
2008ChevroletUplanderN/AOEM: 15798109
2008PontiacMontanaSV6N/AOEM: 15798109
2007BuickTerrazaN/AOEM: 15798109
2007ChevroletUplanderN/AOEM: 15798109
2007PontiacMontanaSV6N/AOEM: 15798109
2007SaturnRelayN/AOEM: 15798109
2006BuickTerrazaN/AOEM: 15798109
2006ChevroletUplanderN/AOEM: 15798109
2006PontiacMontanaSV6N/AOEM: 15798109
2006SaturnRelayN/AOEM: 15798109
2005BuickTerrazaN/AOEM: 15798109
2005ChevroletUplanderN/AOEM: 15798109
2005PontiacMontanaSV6N/AOEM: 15798109
2005SaturnRelayN/AOEM: 15798109

* 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:

15798109

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