Keystone GM2550146 Front Side Marker Light Driver Side Lens and Housing

The Keystone GM2550146 is an OEM-replacement front side marker light assembly for the driver (left) side. This complete lens and housing unit is designed for vehicles not equipped with a cornering lamp, making it the correct replacement for the standard non-cornering configuration.

Engineered to restore proper front side visibility, this marker light is a direct-fit replacement that installs without modification to the vehicle or wiring. It replaces GM OEM part number 5976557.

Key Features:

• Complete assembly — includes both lens and housing for a one-piece replacement
• Direct OEM replacement — matches original factory specifications for fit and function
• Driver (left) side — front-mounted, for vehicles without cornering lamp equipment
• OEM cross-reference: GM Part #5976557
• Partslink number: GM2550146

This side marker light is a critical safety component that ensures your vehicle remains visible to other drivers from the front quarter. Restoring a damaged or broken marker light assembly helps maintain proper lighting compliance and vehicle safety.