Dorman 1591145 Headlight Assembly - Left

OE-Style Headlight Assembly for Expedition

This Dorman headlight assembly is a direct replacement for the factory unit on select Ford Expedition models. It is built to match the original look, fit, and lighting performance while offering a practical alternative to dealership replacement. Part number 1591145 is made for the left side and is street legal for road use.

Key Features

• Fits 2003-2006 Ford Expedition, left
• Reverse-engineered to match the stock headlight assembly
• Halogen bulb technology with bulbs included
• Clear lens with black housing styling
• 12.8-volt electrical specification
• Plastic housing and plastic lens construction
• Street legal for exterior lighting use

Detailed Description

Dorman 1591145 is a replacement headlight assembly for the left side of 2003-2006 Ford Expedition models with black housing. It is engineered from the original design so the shape, mounting points, and lighting layout align with the factory headlamp on the vehicle. This makes it a practical choice for drivers looking to restore the front-end lighting appearance and function on a Ford Expedition without changing the vehicle’s original style. The assembly uses halogen bulb technology, includes bulbs, and features a clear lens for standard exterior lighting performance.

This part cross-references Ford OE part number 4L1Z13008BD and TYC 20-6398-90 for the same application. Part number 1591145 is also a relevant search term for buyers looking for a left headlight assembly for a 2003, 2004, 2005, or 2006 Ford Expedition.

Common Problems This Part Can Address

• Cracked or damaged left headlight housing
• Clouded or worn lens affecting forward lighting
• Failed halogen headlight assembly on the driver side
• Mismatch after collision repair or front-end replacement
• Restoring factory-style appearance on a Ford Expedition

Installation Notes and Tips

Verify left-side fitment before ordering. This assembly is listed for 2003-2006 Ford Expedition models with black housing, so confirm the vehicle’s trim and headlamp style match the application. Transfer or connect the vehicle’s existing electrical connections as required during installation, and check beam aim after the assembly is mounted. Part number 1591145 should be matched to the vehicle’s original configuration before final installation.

Quality Assurance

Dorman reverse-engineers this replacement headlight assembly to follow the original equipment design for the specified Ford Expedition application. That approach supports consistent fitment and a factory-style appearance for the left headlight position.