HomeElectrical, Lighting and Body > Lighting - ExteriorDorman 1590789 Headlight Assembly - Right
Part #: 1590789

Dorman 1590789 Headlight Assembly - Right

Right
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, T100
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Headlight Assembly for Toyota T100

The Dorman 1590789 headlight assembly is designed specifically for Toyota T100 models, providing reliable exterior lighting with a clear lens and halogen bulb technology. This 12.8-volt headlight assembly includes the bulb, making it a convenient replacement part for your vehicle's lighting needs.

  • Compatible with Toyota T100 models
  • Includes one halogen bulb with clear plastic lens
  • 12.8 volts operating voltage
  • Street legal for on-road use
  • Durable plastic housing and lens materials
  • Complete assembly with one bulb included

Detailed Product Description

The Dorman 1590789 headlight assembly is engineered to meet the lighting requirements of Toyota T100 trucks. Featuring a clear plastic lens and housing, this assembly ensures proper light output and durability. The included halogen bulb operates at 12.8 volts, providing consistent illumination that complies with street-legal standards. This headlight assembly is designed to replace the original equipment, restoring your vehicle's exterior lighting performance without the need for additional parts.

Common Applications and Issues Addressed

  • Replacement for cracked or damaged headlight lenses
  • Restores dim or non-functioning halogen headlights
  • Fixes moisture or condensation issues inside the headlight assembly
  • Upgrades worn or faded plastic housing for improved visibility
  • Ensures compliance with street-legal lighting requirements

Installation Notes and Tips

Installation of the Dorman 1590789 headlight assembly is straightforward and designed to fit Toyota T100 models without modification. Before installation, disconnect the vehicle battery to prevent electrical shorts. Remove the existing headlight assembly carefully to avoid damage to mounting points or wiring connectors. Connect the included halogen bulb and secure the assembly firmly in place. Test the headlight function before completing the installation to ensure proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 1590789 headlight assembly undergoes quality checks to ensure durability and performance. This product includes a limited warranty against defects in material and workmanship, providing confidence in your replacement part for the Toyota T100.

BrandDorman
Part Number1590789
Bulb Quantity1
Bulb TechnologyHalogen
Bulbs IncludedYes
Housing MaterialPlastic
Lens ColorClear
Lens MaterialPlastic
Package Contents1 Headlight Assembly
Street LegalYes
Voltage12.8

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
1998ToyotaT100Right
1997ToyotaT100Right
1996ToyotaT100Right
1995ToyotaT100Right
1994ToyotaT100Right
1993ToyotaT100Right

* 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:

20-3583-006221-0033R8111034010TY535-B001R

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