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Dorman 1592003 Headlight Assembly - Left
OE-Style Headlight Assembly for Highlander
This Dorman headlight assembly is a direct replacement for the original front left lamp on select 2001-2003 Toyota Highlander models. It is built to match the stock headlight’s look, fit, and function while keeping repair costs lower than a dealership replacement.
Part number 1592003 is a street-legal halogen headlight assembly with a clear lens, plastic housing, and plastic lens construction. It includes bulbs and uses 12.8-volt electrical operation for a straightforward OE-style lighting repair.
Key Features
- Fits 2001-2003 Toyota Highlander, left
- OE-style replacement headlight assembly for factory-like fit and appearance
- Halogen bulb technology with clear lens design
- Street legal for road use
- Bulbs included for a complete lighting service
- Plastic housing and plastic lens construction
- Part number 1592003 for easy identification
Detailed Description
Dorman 1592003 is engineered as a replacement headlight assembly for the Toyota Highlander, 2001-2003, left side. It is reverse-engineered from the original equipment lamp to match the stock unit’s shape, mounting points, and lighting performance on the specified vehicle application. The halogen design, clear lens, and OE-style construction make it a practical choice for restoring proper front-end lighting on a Highlander.
This part cross-references TYC 20-6174-00 for the same application. If you are searching for a 2001 Toyota Highlander left headlight assembly, a 2002 Toyota Highlander headlamp replacement, or a 2003 Toyota Highlander driver side headlight, part 1592003 is the direct-fit reference to review.
Common Problems It Can Solve
- Cracked or clouded headlight lens
- Dim, uneven, or failed front lighting
- Water intrusion into the headlamp housing
- Broken mounting points or worn OE headlight assembly
- Failed bulb service in the original lamp assembly
Installation Notes and Tips
Verify left-side fitment before ordering and compare the connector, mounting points, and lamp shape to the original assembly. This headlight is intended for 2001-2003 Toyota Highlander models on the left side, so confirm vehicle year and position against the existing unit before installation. After installation, aim the headlight to factory specifications for proper road illumination.
Quality Assurance
Dorman replacement lighting components are reverse-engineered to match the original part’s fit and function for the listed vehicle application. Part number 1592003 is built for direct replacement use on the specified Toyota Highlander models.
| Brand | Dorman |
| Part Number | 1592003 |
| Voltage | 12.8 |
| Street Legal | Yes |
| Bulbs Included | Yes |
| Lens Color | Clear |
| Bulb Quantity | 3 |
| Bulb Technology | Halogen |
| Housing Material | Plastic |
| Lens Material | Plastic |
| Package Contents | 1 headlight assembly |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Toyota | Highlander | Left | |
| 2002 | Toyota | Highlander | Left | |
| 2001 | Toyota | Highlander | 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.