Dorman 1591031 left headlight assembly for the 2005-2007 Buick LaCrosse houses the bulbs and lens that light the road ahead. This Dorman headlight assembly was reverse-engineered to match the stock headlight's look, fit and function.
- Rigid plastic housing protects against weather and road conditions
- Halogen bulb technology
- Clear plastic lens
- Street legal
Quick facts
- Part: Dorman 1591031 headlight assembly
- Fits: the 2005-2007 Buick LaCrosse
- Position: Left
- Material: Plastic
- Condition: New
A cracked or hazy lens, moisture inside the housing or dim light on the left side can point to a worn headlight assembly. Those signs alone do not prove this part is the problem; a burned-out bulb is another common cause.
Fits
It fits the 2005-2007 Buick LaCrosse, with dimensions built to match the original for a proper fit. Plan to replace the left and right headlight assemblies as a pair, since the car takes one on each side. This listing is the left one only, and the right is a separate part.
Specifications
Fit and size
- Position: Left
- Quantity per vehicle: 1 on each side
Build and materials
- Housing material: Plastic
- Lens material: Plastic, clear
- Bulb technology: Halogen
- Bulb quantity: 3
- Voltage: 12.8 V DC
- Condition: New
- Country of origin: Taiwan
In the box
One left headlight assembly with its bulbs. Mounting hardware is not included, so plan on new fasteners.
Interchange: 1221-0154L · GM369-B001L
10333737 · 10373065 · 15213847 · 15241259 · 15254321 · 15799241 · 15890962 · 15899973 · 25837049 · 25942066 · 20671200
This part cross-references / interchanges with the following part numbers:
1221-0154L, GM369-B001L, 10333737, 10373065, 15213847, 15241259, 15254321, 15799241, 15890962, 15899973, 25837049, 25942066, 20671200
Frequently Asked Questions
Is this a 2005-2007 Buick LaCrosse headlight for the left side?
Yes. Dorman 1591031 is the left headlight assembly for the 2005-2007 Buick LaCrosse. The right side is a separate part.
Does the Dorman 1591031 headlight assembly come with bulbs?
Yes. Dorman 1591031 comes with its three halogen bulbs, but mounting hardware is not included.
Is this left headlight housing plastic or glass?
Plastic. Both the housing and the lens are plastic, and the lens is clear.
What signs show a left headlight assembly may be worn out?
Cracks, a cloudy lens or moisture inside the housing are visible signs, and dim light from that side is one you notice while driving. A shop can test the wiring if the cause is unclear.
Does Dorman 1591031 replace part number 15890962?
Yes. 15890962 is one of the numbers this headlight assembly replaces, along with 10333737 and 25837049.
