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Dorman 1591840 Headlight Assembly - Left
Reliable Headlight Assembly for Chevrolet Trucks
The Dorman 1591840 headlight assembly is designed to restore proper lighting performance for select Chevrolet trucks. Engineered with halogen bulbs and clear plastic lens, this assembly ensures street-legal illumination for safe driving.
- Compatible with Chevrolet Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, and Silverado 3500 Classic
- Includes two halogen bulbs for immediate installation
- 12.8 voltage rating suitable for standard vehicle electrical systems
- Clear plastic lens and durable plastic housing for weather resistance
- Street legal and compliant with lighting regulations
Durable Construction and Halogen Lighting Technology
This Dorman headlight assembly (part number 1591840) features a plastic housing and lens designed to withstand road conditions while maintaining clarity. The included halogen bulbs provide consistent light output with a voltage rating of 12.8 volts, matching the electrical system of Chevrolet Avalanche and Silverado models. The clear lens ensures optimal light projection and visibility during night driving or adverse weather.
Compatible Chevrolet Models and Applications
This headlight assembly is compatible with a range of Chevrolet trucks, including Avalanche 1500 and 2500 series, as well as Silverado 1500, 1500 Classic, 1500 HD, 1500 HD Classic, 2500, 2500 HD, 2500 HD Classic, 3500, and 3500 Classic models. It is designed to replace factory headlight units that have failed or become damaged, restoring proper exterior lighting functionality.
- Replaces cracked or broken headlight lenses
- Restores dim or non-functioning halogen bulbs
- Corrects moisture or fogging issues inside the headlight assembly
- Ensures compliance with street-legal lighting standards
- Improves nighttime visibility and road safety
Installation Notes and Tips
Installation of the Dorman 1591840 headlight assembly is straightforward and requires basic hand tools. Before installation, disconnect the vehicle battery to prevent electrical shorts. Remove the damaged headlight assembly by loosening mounting screws and disconnecting the wiring harness. Connect the new assembly’s wiring harness, secure the unit with mounting screws, and test the lights for proper operation. Refer to the vehicle’s service manual for detailed instructions specific to Chevrolet Avalanche and Silverado models.
Quality Assurance and Warranty Information
Dorman manufactures this headlight assembly to meet or exceed OEM standards for fit, form, and function. The product includes two halogen bulbs and is street legal, ensuring compliance with vehicle lighting regulations. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.
| Brand | Dorman |
| Part Number | 1591840 |
| Bulb Quantity | 2 |
| 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 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Left | |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Left | |
| 2007 | Chevrolet | Silverado 1500 Classic | SS | Left | |
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid | Left | |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Left | |
| 2007 | Chevrolet | Silverado 1500 HD Classic | Left | ||
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Left | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Left | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Left | |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Left | |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Left | |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Left | |
| 2006 | Chevrolet | Avalanche 1500 | Left | w/Decor Package | |
| 2006 | Chevrolet | Avalanche 2500 | Left | w/Decor Package | |
| 2006 | Chevrolet | Silverado 1500 | Left | ||
| 2006 | Chevrolet | Silverado 1500 HD | Left | ||
| 2006 | Chevrolet | Silverado 2500 | Left | ||
| 2006 | Chevrolet | Silverado 2500 HD | Left | ||
| 2006 | Chevrolet | Silverado 3500 | Left | ||
| 2005 | Chevrolet | Avalanche 1500 | Left | w/Decor Package | |
| 2005 | Chevrolet | Avalanche 2500 | Left | w/Decor Package | |
| 2005 | Chevrolet | Silverado 1500 | Left | ||
| 2005 | Chevrolet | Silverado 1500 HD | Left | ||
| 2005 | Chevrolet | Silverado 2500 | Left | ||
| 2005 | Chevrolet | Silverado 2500 HD | Left | ||
| 2005 | Chevrolet | Silverado 3500 | Left |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.