Dorman 1591225 Headlight Assembly - Left

Brand Dorman 1591225
Position Left
Bulb Quantity 3
Bulb Technology Halogen
Bulbs Included Yes
Housing Material Plastic
Lens Color Clear
Lens Material Plastic
Package Contents 1 Headlight Assembly
Street Legal Yes
Voltage 12.8
Fits Pontiac · 5 vehicles

OE-style replacement. Reverse-engineered to match the original headlight assembly.

Clear lens. Helps preserve a clean, factory-like appearance.

Halogen bulbs included. Ready for straightforward installation out of the box.

Cross-references Eagle Eye GM321-B001L, 1221-0104L and 10347163 for the same application. See all 4.

$150.83Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $150.83
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Left Headlight for Grand Prix

This Dorman headlight assembly is a direct replacement for the left side on select 2004-2008 Pontiac Grand Prix models. It is reverse-engineered to match the original headlamp’s fit, appearance, and function, making it a practical option for restoring nighttime visibility and front-end lighting performance.

Key Features

  • Fits 2004-2008 Pontiac Grand Prix, left
  • OE-style replacement headlight assembly for factory-like fit and alignment
  • Clear lens with halogen bulb technology
  • Street legal for road use
  • Bulbs included for a complete lighting service
  • Plastic housing and plastic lens construction
  • Voltage rating: 12.8
  • Part number: 1591225

Detailed Description

Built for select Pontiac Grand Prix applications, this Dorman replacement headlight assembly is engineered to match the stock unit on the vehicle. The clear lens and halogen setup support original-style lighting output, while the OE-style housing helps maintain the factory look of the front end. If you are replacing a damaged or cloudy left headlight on a 2004 Pontiac Grand Prix, 2005 Pontiac Grand Prix, 2006 Pontiac Grand Prix, 2007 Pontiac Grand Prix, or 2008 Pontiac Grand Prix, part number 1591225 provides a direct-fit solution for the left position.

This part cross-references Eagle Eye GM321-B001L for the same application.

What It Helps Fix

  • Broken or cracked left headlight assembly
  • Dim or uneven forward lighting
  • Moisture intrusion from a damaged lens or housing
  • Clouded or worn exterior lighting appearance
  • Failed halogen headlamp assembly on a Pontiac Grand Prix

Installation Notes and Tips

Verify vehicle year, make, model, and left-side placement before ordering. Compare the connector, mounting points, and lamp shape to the original assembly before installation. After installation, aim the headlight to factory specifications so the beam pattern is properly aligned for road use.

Quality Assurance

Dorman reverse-engineers this replacement headlight assembly to match the original equipment design on specific vehicles. Part number 1591225 is built as a direct replacement for the left headlight on select Pontiac Grand Prix models and is intended to restore factory-style lighting performance and appearance.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008PontiacGrand PrixLeft—
2007PontiacGrand PrixLeft—
2006PontiacGrand PrixLeft—
2005PontiacGrand PrixLeft—
2004PontiacGrand PrixLeft—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Eagle Eye — GM321-B001L1221-0104L1034716320648800