HomeElectrical, Lighting and Body > Lighting - ExteriorDorman 1591151 Headlight Assembly - Left
Part #: 1591151

Dorman 1591151 Headlight Assembly - Left

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⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercury, Mountaineer
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Reliable Headlight Assembly for Mercury Mountaineer

The Dorman 1591151 headlight assembly is designed specifically for Mercury Mountaineer models, providing a direct replacement that meets street legal requirements. Featuring a clear plastic lens and halogen bulb technology, this headlight assembly ensures proper illumination and road safety.

Key Features of Dorman 1591151 Headlight Assembly

  • Compatible with Mercury Mountaineer vehicles
  • 12.8-volt halogen bulb included for optimal lighting
  • Clear plastic lens and durable plastic housing
  • Street legal for on-road use
  • Includes one headlight assembly with one bulb

Detailed Product Description

This Dorman headlight assembly (part number 1591151) is engineered to replace the exterior lighting on Mercury Mountaineer models. The assembly features a clear plastic lens that provides excellent light transmission and a plastic housing designed to withstand typical road conditions. The included halogen bulb operates at 12.8 volts, delivering consistent brightness suitable for night driving and adverse weather conditions. This headlight assembly is street legal, ensuring compliance with vehicle lighting regulations.

Common Applications and Problem Resolution

  • Restores proper headlight function after damage or wear
  • Replaces cracked or fogged lenses that reduce visibility
  • Solves issues with non-functioning or dim halogen bulbs
  • Addresses water intrusion problems due to damaged housing
  • Ensures compliance with street legal lighting standards

Installation Notes and Tips

Installation of the Dorman 1591151 headlight assembly is straightforward and designed to match the original equipment fitment on Mercury Mountaineer models. It is recommended to disconnect the vehicle battery before installation to avoid electrical issues. Ensure all mounting points align correctly and the wiring harness is securely connected. After installation, test the headlight operation 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 part number 1591151 undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.

BrandDorman
Part Number1591151
Bulb Quantity1
Bulb TechnologyHalogen
Bulbs IncludedYes
Housing MaterialPlastic
Lens ColorClear
Lens MaterialPlastic
Package Contents1 Headlight Assembly
Street LegalYes
Voltage12.8

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2001MercuryMountaineerLeft
2000MercuryMountaineerLeft
1999MercuryMountaineerLeft
1998MercuryMountaineerLeft

* 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:

20-6442-003221-0077LF87Z13008BFFR367-B001L

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