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Dorman 1591897 Headlight Assembly - Left
| Brand | Dorman 1591897 |
|---|---|
| Position | Left |
| Bulb Quantity | 5 |
| 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 | GMC · 14 vehicles |
OE-style replacement. Reverse-engineered to match the original headlight assembly.
Clear lens. Helps deliver a clean, factory-like appearance.
Halogen lighting. Uses a proven bulb technology for dependable illumination.
Cross-references Eagle Eye GM438-B001L, 1221-0128L and 15206393 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE-Style Left Headlight for Sierra
This Dorman headlight assembly is a direct replacement for the original left headlight on select GMC Sierra trucks. It is reverse-engineered to match the stock unit’s look, fit, and function while helping reduce dealership replacement costs.
- Direct replacement headlight assembly for the left side
- Fits 2007-2009 GMC Sierra 1500, left
- Fits 2007-2009 GMC Sierra 2500 HD, left
- Fits 2007-2009 GMC Sierra 3500 HD, left
- Clear lens with halogen bulb technology
- Bulbs included with 5-bulb configuration
- 12.8-volt electrical specification
- Street legal design
- Plastic housing and plastic lens
Replacement Details
Dorman 1591897 is built as an OE-style headlight assembly for GMC Sierra applications that need a factory-like appearance and lighting performance. The clear lens, halogen setup, and included bulbs support a straightforward replacement for the original left headlamp on 2007-2009 GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD models. This part number 1591897 is also referenced for the same application under cross-reference part numbers such as 1221-0128L and 15206393.
Common Problems This Part Can Address
- Cracked or clouded left headlight lens
- Dim, uneven, or failed front lighting
- Water intrusion into the headlamp housing
- Restoring proper road visibility after headlight damage
- Replacing a worn factory-style assembly on a GMC Sierra
Installation Notes and Tips
Verify left-side fitment before ordering. This assembly is intended for 2007-2009 GMC Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD applications on the driver side. Confirm bulb type, connector condition, and mounting points against the original unit before installation. Part number 1591897 should be matched to the vehicle’s existing headlamp configuration for proper fit and operation.
Quality Assurance
This Dorman replacement headlight is reverse-engineered to follow the original equipment design for the listed GMC Sierra applications. It is street legal and supplied with bulbs for a complete replacement assembly.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2009 | GMC | Sierra 1500 | — | Left | — |
| 2009 | GMC | Sierra 2500 HD | — | Left | — |
| 2009 | GMC | Sierra 3500 HD | — | Left | — |
| 2008 | GMC | Sierra 1500 | — | Left | — |
| 2008 | GMC | Sierra 2500 HD | — | Left | — |
| 2008 | GMC | Sierra 3500 HD | — | Left | — |
| 2007 | GMC | Sierra 1500 | SLT | Left | — |
| 2007 | GMC | Sierra 1500 | WT | Left | — |
| 2007 | GMC | Sierra 1500 | SLE | Left | — |
| 2007 | GMC | Sierra 1500 | Denali | Left | — |
| 2007 | GMC | Sierra 2500 HD | SLT | Left | — |
| 2007 | GMC | Sierra 2500 HD | WT | Left | — |
| 2007 | GMC | Sierra 2500 HD | SLE | Left | — |
| 2007 | GMC | Sierra 3500 HD | — | Left | — |
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