Dorman 1590998 left headlight assembly for the 2003-2014 Chevrolet Express 1500 and other vehicles holds two halogen bulbs and lights the road ahead. This Dorman headlight assembly replaces a damaged left-side headlight.
- Reverse-engineered to match the stock headlight on specific vehicles
- Rigid plastic housing protects against weather and road conditions
- Clear plastic lens over two halogen bulbs, which are included
- Made to the exact dimensions of the original headlight for proper fit
- Street-legal halogen headlight
Quick facts
- Part: Dorman 1590998 headlight assembly
- Fits: 2003-2014 Chevrolet Express 1500 and other vehicles
- Position: Left
- Material: Plastic housing and lens
- Condition: New
A cracked or fogged lens, water inside the housing or a broken mount can mean the headlight needs replacing. A burned-out bulb, a corroded connector or a blown fuse can leave a headlight dim or dead too, so find the cause before you buy a new assembly.
Fits
It is listed for a wide range of Chevrolet and GMC models, led by the 2003-2014 Chevrolet Express 2500 and the 2003-2014 Chevrolet Express 3500. Open the "Vehicles it fits" section to look up your exact model and engine.
Specifications
Fit and size
- Position: Left
- Quantity per vehicle: 1 for the left side
- Voltage: 12.8 V DC
Build and materials
- Housing material: plastic
- Lens: clear plastic
- Bulbs: two halogen bulbs, included
- Mounting hardware: not included
- Street legal: yes
- Condition: New
- Country of origin: Taiwan
In the box
One left headlight assembly with its two halogen bulbs. This listing is one left-side unit and the left side takes one; the right side is a separate part, ordered separately. Mounting hardware is not included, so plan on new fasteners rather than reusing the old ones.
Interchange: 1221-0103L · GM343-B001L
15748582 · 15879433 · 25746531 · 25758557 · 85577296 · 20658200
This part cross-references / interchanges with the following part numbers:
1221-0103L, GM343-B001L, 15748582, 15879433, 25746531, 25758557, 85577296, 20658200
Frequently Asked Questions
Does the Dorman 1590998 fit the 2003-2014 Chevrolet Express 2500?
Yes. Dorman 1590998 is listed for the 2003-2014 Chevrolet Express 2500 as the left-side unit; other models are in the "Vehicles it fits" section.
Does this left headlight assembly come with bulbs?
Yes, the assembly comes with two halogen bulbs; mounting hardware is not included.
Is the lens on Dorman 1590998 glass or plastic?
Plastic. The lens on Dorman 1590998 is clear plastic, and the housing is plastic too.
What does a cracked lens or water inside a left headlight mean?
A cracked lens, water inside the housing or a broken mount can mean the assembly needs replacing. A shop can test the wiring and bulbs if the light is simply dim.
Does Dorman 1590998 replace part number 15879433?
Yes. Dorman 1590998 replaces 15879433 for the left side, along with 1221-0103L and GM343-B001L.
