Dorman 1591897 left headlight assembly for the 2007-2009 GMC Sierra 1500 and other vehicles houses the halogen bulbs and lights the road ahead. This replacement was reverse-engineered from the stock headlight to match its look, function and exact original dimensions for proper fit on specific vehicles.
- Rigid plastic housing and lens that protect against weather and road conditions
- Halogen bulb technology, with the bulbs included
- Clear lens on a street-legal assembly
- Made for 12.8 volts DC
Quick facts
- Part: Dorman 1591897 headlight assembly
- Fits: 2007-2009 GMC Sierra 1500 and other vehicles
- Position: Left
- Material: Plastic
- Condition: New
A cracked lens, moisture inside the housing or a dim beam can mean the headlight assembly is worn, though a burned-out bulb or a damaged wiring connector can also be behind a dim or dead light.
Fits
It is a headlight assembly for the 2007-2009 GMC Sierra 1500, the 2007-2009 GMC Sierra 2500 HD and the 2007-2009 GMC Sierra 3500 HD. This listing is the left side only; the right headlight is a separate part, and both sides are often replaced at the same time.
Specifications
Fit and size
- Position: Left
- Quantity per vehicle: 1 for the left side
- Voltage: 12.8 volts DC
Build and materials
- Bulb technology: Halogen
- Bulbs: Included
- Housing material: Plastic
- Lens material: Plastic
- Lens color: Clear
- Street legal: Yes
- 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, because the old ones may not be reusable. This listing holds one headlight assembly, and the left side takes one.
Interchange: 1221-0128L · GM438-B001L
15206393 · 15912787 · 20980241 · 22853029 · 25775232 · 25799193 · 25833661 · 20682000
This part cross-references / interchanges with the following part numbers:
1221-0128L, GM438-B001L, 15206393, 15912787, 20980241, 22853029, 25775232, 25799193, 25833661, 20682000
Frequently Asked Questions
Does the Dorman 1591897 left headlight fit the 2007-2009 GMC Sierra 3500 HD?
Yes. Dorman 1591897 fits the 2007-2009 GMC Sierra 3500 HD on the left side. The right side is a separate headlight assembly.
Is this Dorman headlight assembly sold with bulbs?
Yes. Dorman 1591897 includes halogen bulbs. Mounting hardware is not included.
What are the housing and lens of this left headlight made of?
Both are plastic, and the lens is clear. The rigid plastic protects against weather and road conditions.
What does moisture or a cracked lens on a left headlight assembly mean?
Either can be a sign the headlight assembly is worn or damaged. You can look for both with the vehicle off; a shop can test the wiring if the light only looks dim.
Does Dorman 1591897 replace GM number 15912787?
Yes. 15912787 is one of the numbers Dorman 1591897 replaces, along with 22853029 and 1221-0128L.
