Dorman 923-100 Roof Marker Light - Left Outer

Dorman 923-100 Roof Marker Light

Dorman 923-100 is a direct replacement roof marker light assembly for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, and GMC Sierra 2500 HD and 3500 HD applications. It restores the original lamp’s appearance and function when the factory roof marker light is cracked, hazy, or leaking.

• Direct replacement roof marker light assembly
• 12-volt LED bulb technology
• Orange lens with black housing
• Plastic lens and plastic housing construction
• Blade terminal connection
• Mounts with metal clip/screw method
• Fits left outer roof marker light position
• Part number: 923-100

Detailed Product Overview

This roof marker light is built for 2014 Chevrolet Silverado 2500, left outer, and 2007-2014 Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD left outer applications. The Dorman 923-100 helps restore proper exterior lighting performance and the original look of the roof-mounted marker lamp on these trucks. It uses LED bulb technology, a 12-volt electrical setup, and a blade terminal connection for service replacement use.

The orange lens and black housing match the intended exterior lighting layout, while the plastic lens and housing help keep the assembly lightweight and practical for replacement service. If you are searching for a roof marker light for a 2014 Chevrolet Silverado 2500 left outer position or a 2007-2014 GMC Sierra 3500 HD left outer roof lamp, this part number 923-100 is the relevant direct replacement.

This part cross-references 15200084 for the same application.

Common Problems This Part Can Address

• Cracked roof marker light lens
• Hazy or discolored exterior lamp appearance
• Water intrusion from a leaking roof marker light
• Inspection failure related to damaged exterior lighting
• Reduced visibility from a malfunctioning roof marker lamp

Installation Notes and Tips

Verify left outer position and vehicle year before installation. This assembly uses a metal clip/screw mounting method and blade terminals, and it does not include a wiring harness or mounting hardware. Confirm the existing connector style and lamp opening match the replacement before final installation.

Quality Assurance

Dorman manufactures this roof marker light assembly as a direct replacement part for the listed Chevrolet and GMC truck applications. It is intended to restore the original lamp’s function and appearance after the factory unit has become damaged or no longer seals properly.