HomeElectrical, Lighting and Body > Lighting - ExteriorDorman 1591037 Headlight Assembly - Left
Part #: 1591037

Dorman 1591037 Headlight Assembly - Left

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⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Colorado
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Reliable Headlight Assembly for Chevrolet Colorado

The Dorman 1591037 headlight assembly is designed specifically for Chevrolet Colorado models, providing a direct replacement that meets factory specifications. This street-legal headlight assembly includes halogen bulbs and features clear plastic lens and housing for durability and optimal light output.

Key Features of Dorman 1591037 Headlight Assembly

  • Compatible with Chevrolet Colorado vehicles
  • Includes two halogen bulbs for immediate installation
  • Clear plastic lens and housing for weather resistance
  • Operates at 12.8 volts, suitable for standard vehicle electrical systems
  • Street legal and compliant with lighting regulations
  • Package contains one complete headlight assembly

Detailed Product Description

The Dorman 1591037 headlight assembly is engineered to restore proper lighting performance on Chevrolet Colorado trucks. Featuring a durable plastic housing and lens, this assembly resists corrosion and environmental damage. The included halogen bulbs provide reliable illumination with a standard 12.8-volt operation, ensuring compatibility with the vehicle’s electrical system. The clear lens design maximizes light output and visibility, enhancing safety during night driving or adverse weather conditions. This assembly is street legal, meeting all necessary regulatory requirements for exterior vehicle lighting.

Common Applications and Problem Resolution

  • Replacement for cracked or damaged headlight lenses
  • Restores dim or non-functioning halogen bulbs
  • Fixes moisture or condensation issues inside the headlight assembly
  • Improves visibility and safety for night driving
  • Resolves electrical compatibility issues with factory lighting system

Installation Notes and Tips

Installation of the Dorman 1591037 headlight assembly is straightforward and designed to fit Chevrolet Colorado models without modification. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts. Ensure all electrical connectors are securely attached and test the headlight function before finalizing the installation. Proper alignment of the headlight assembly is important to maintain optimal beam pattern and road visibility.

Quality Assurance and Warranty Information

Dorman provides this headlight assembly with quality standards that meet or exceed OEM specifications. The product includes halogen bulbs and is manufactured with durable plastic materials for long-lasting performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to ensure customer confidence in the product.

BrandDorman
Part Number1591037
Bulb Quantity2
Bulb TechnologyHalogen
Bulbs IncludedYes
Housing MaterialPlastic
Lens ColorClear
Lens MaterialPlastic
Package Contents1 Headlight Assembly
Street LegalYes
Voltage12.8

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2006ChevroletColoradoLeftw/RPO Code V4A (Xtreme Package)
2005ChevroletColoradoLeftw/RPO Code V4A (Xtreme Package)
2004ChevroletColoradoLeftw/RPO Code V4A (Xtreme Package)

* 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:

103657731221-0508LGM325-B101L

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