Eagle Eye GM177-B001LR Headlight Assembly

OE-Style Left Headlight Assembly

The Eagle Eye GM177-B001LR is a complete left headlight assembly for select GMC full-size trucks and SUVs. It uses a clear lens, plastic housing, and halogen bulb configuration to restore exterior lighting on applications such as the GMC Sierra 1500 Classic, GMC Sierra 1500, GMC Yukon, and GMC Yukon XL 1500.

Built as a SAE/DOT compliant exterior lighting replacement, this assembly is a direct-fit option for drivers replacing a damaged, cloudy, or non-functioning front headlamp on the left side.

Key Features

• Part number: GM177-B001LR
• Left-side headlight assembly
• Complete assembly construction
• Halogen low beam and high beam bulb type
• Clear plastic lens with plastic housing
• Bulbs not included
• Hardware not included
• SAE/DOT compliant

Detailed Description

This Eagle Eye headlight assembly is engineered for vehicles that use a halogen exterior lighting setup and a composite-style front lamp design. It is a complete assembly, making it a practical replacement when the original left headlight is cracked, faded, or no longer projecting light correctly. The clear lens and plastic housing are designed to match the original appearance and function of the factory unit on compatible GMC applications.

Compatible With 1999-2006 GMC Sierra 1500, left; 2000-2006 GMC Yukon, left; 2000-2006 GMC Yukon XL 1500, left; and 2007 GMC Sierra 1500 Classic, left. This part cross-references TYC 20-5567-00 and 20-5568-00 for the same application. GM177-B001LR is also referenced in OE and aftermarket catalogs for these GMC lighting applications.

Common Problems This Part Can Address

• Broken or cracked left headlight lens
• Clouded or yellowed front lighting assembly
• Dim or uneven forward lighting output
• Moisture intrusion from a damaged lamp housing
• Failed original headlamp assembly on halogen-equipped GMC models

Installation Notes and Tips

Verify the vehicle uses the correct left-side composite headlight configuration before installation. Bulbs are not included, so transfer or replace the halogen bulbs as needed during service. Because hardware is not included, reuse the original mounting hardware if it is in serviceable condition. Confirm connector condition, aim the headlamp after installation, and check both low and high beam operation before returning the vehicle to service.

Quality Assurance

This Eagle Eye headlight assembly is SAE/DOT compliant and built as a complete replacement unit for the listed GMC applications. Part number GM177-B001LR is cataloged as an OE-style replacement for select Sierra and Yukon models.