HomeElectrical, Lighting and Body > Lighting - ExteriorDorman 1591016 Headlight Assembly - Left
Part #: 1591016

Dorman 1591016 Headlight Assembly - Left

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⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500, and Silverado 1500 HD
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Reliable Headlight Assembly for Chevrolet Trucks

The Dorman 1591016 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 HD, Silverado 2500, Silverado 2500 HD, and Silverado 3500 models
  • Includes two halogen bulbs for immediate installation
  • Operates at 12.8 volts for standard vehicle electrical systems
  • Clear plastic lens and durable plastic housing for weather resistance
  • Street legal and designed to meet lighting regulations

Product Features and Specifications

This headlight assembly from Dorman features a clear plastic lens that provides optimal light output and visibility. The housing is constructed from durable plastic to resist corrosion and environmental damage. It includes two halogen bulbs, which are pre-installed and ready for use, eliminating the need for separate bulb purchases. Operating at 12.8 volts, this assembly is compatible with the electrical systems of Chevrolet Avalanche and Silverado trucks listed in the fitment. The assembly is street legal, ensuring compliance with vehicle lighting standards.

Compatible Chevrolet Models and Applications

The Dorman 1591016 headlight assembly is specifically designed for use with Chevrolet Avalanche 1500 and 2500, as well as Silverado 1500, 1500 HD, 2500, 2500 HD, and 3500 models. This ensures a precise fit and proper function for these trucks, making it a suitable replacement part for restoring exterior lighting performance.

Common Issues Addressed by This Headlight Assembly

  • Damaged or cracked headlight lens affecting visibility
  • Non-functioning or burnt-out halogen bulbs
  • Faded or yellowed lens reducing light output
  • Water intrusion or moisture buildup inside the headlight housing
  • Non-compliance with street-legal lighting requirements

Installation Notes and Tips

Installation of the Dorman 1591016 headlight assembly is straightforward and designed to match the original equipment specifications. Ensure the vehicle is turned off and the battery is disconnected before beginning installation. The assembly includes bulbs, so no additional bulb installation is necessary. Align the assembly carefully to avoid misalignment and secure all mounting points firmly. Check headlight operation after installation to confirm proper function.

Quality Assurance and Warranty Information

Dorman manufactures this headlight assembly to meet or exceed OEM standards for fit, form, and function. The use of quality materials such as plastic housing and lens ensures durability under typical driving conditions. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Chevrolet Avalanche and Silverado truck owners.

BrandDorman
Part Number1591016
Bulb Quantity2
Bulb TechnologyHalogen
Bulbs IncludedYes
Housing MaterialPlastic
Lens ColorClear
Lens MaterialPlastic
Package Contents1 Headlight Assembly
Street LegalYes
Voltage12.8

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
2004ChevroletAvalanche 1500Leftw/Decor Package
2004ChevroletAvalanche 2500Leftw/Decor Package
2004ChevroletSilverado 1500Left
2004ChevroletSilverado 2500Left
2004ChevroletSilverado 2500 HDLeft
2004ChevroletSilverado 3500Left
2003ChevroletAvalanche 1500Leftw/Decor Package
2003ChevroletAvalanche 2500Leftw/Decor Package
2003ChevroletSilverado 1500Left
2003ChevroletSilverado 1500 HDLeft
2003ChevroletSilverado 2500Left
2003ChevroletSilverado 2500 HDLeft
2003ChevroletSilverado 3500Left

* 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:

103660371221-0110L20-6386-90GM269-B001L

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.