Dorman 1590374 Headlight Assembly - Front Right

OE-Style Headlight Assembly for Front Right

This Dorman headlight assembly, part number 1590374, is a replacement for the front right side on select Chevrolet, GMC, and Buick vehicles. It is reverse-engineered to match the original headlight’s fit, appearance, and function for a direct replacement on the specified applications.

Key Features

• Fits 2006-2009 Chevrolet Trailblazer, front right
• Fits 2006-2009 GMC Envoy, front right
• Fits 2006-2007 Buick Rainier, front right
• Fits 2006 Chevrolet Trailblazer EXT, front right
• Fits 2006 GMC Envoy XL, front right
• Halogen headlight assembly with high beam and low beam function
• Clear lens and clear housing styling
• Street legal for road use where approved
• 12-volt electrical specification
• Lens material is polycarbonate for exterior lighting use

Detailed Description

Dorman 1590374 is a replacement headlight assembly built for specific front right applications on the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Trailblazer EXT, and Envoy XL. It uses halogen bulb technology with high beam and low beam coverage, clear lens construction, and a design intended to match the stock headlamp on the listed vehicles. This part cross-references OE numbers 15866068 and 15930640 for the same application.

What This Headlight Assembly Helps Address

• Cracked, cloudy, or damaged original headlight housing
• Dim or uneven forward lighting from a worn assembly
• Water intrusion caused by a compromised lens or housing
• Restoring proper front right lighting after collision repair
• Replacing a failed OE-style headlamp on the listed GM SUVs

Installation Notes and Tips

Verify front right fitment by year, make, and model before installation. This assembly is a 12-volt halogen unit and uses the vehicle’s existing headlight mounting location on the listed applications. Mounting hardware is not included. Confirm bulb type and electrical connections match the original equipment before final assembly and aiming.

Quality Assurance

Dorman designs this replacement headlight assembly to follow the original equipment layout for the specified vehicles, with fitment and function matched to the stock headlamp configuration. Part number 1590374 is intended for direct replacement use on the listed Chevrolet, GMC, and Buick applications.