Dorman 923-204 Center High Mount Stop Light

Center High Mount Stop Light Replacement

This Dorman center high mount stop light restores the rear brake lamp function on select Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile vehicles. Part number 923-204 is a direct replacement for the original third brake light assembly, with LED illumination, a red lens, and an included wiring harness for a cleaner repair.

Key Features

• Direct replacement center high mount stop light for select GM-platform vehicles
• LED bulb type for consistent brake light output
• Red lens matches the original exterior lighting appearance
• Plastic housing construction
• Bulbs included
• Wiring harness included
• Part number 923-204

Detailed Description

Dorman 923-204 is reverse-engineered to match the stock third brake light assembly on specific applications, helping restore the original look, fit, and function without a dealership visit. It is built for vehicles including the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x, along with related platform models such as the Buick Rainier, Isuzu Ascender, and Oldsmobile Bravada. This replacement center high mount stop light is a practical solution when the original lens, lighting element, or electrical connection has failed.

This part cross-references Monroe Shocks & Struts (e.g., 15000045, 15201921) for the same application.

Vehicle Fitment

• Fits 2004-2009 Chevrolet Trailblazer, N/A
• Fits 2004-2006 Chevrolet Trailblazer EXT, N/A
• Fits 2004-2009 GMC Envoy, N/A
• Fits 2004-2006 GMC Envoy XL, N/A
• Fits 2005-2009 Saab 9-7x, N/A
• Fits 2004-2008 Isuzu Ascender, N/A
• Fits 2004-2007 Buick Rainier, N/A
• Fits 2004 Oldsmobile Bravada, N/A
• Fits 2002-2003 Chevrolet Trailblazer, N/A, 2002-03 Must Also Upgrade Molding w/2004 Molding
• Fits 2002-2003 Chevrolet Trailblazer EXT, N/A, 2002-03 Must Also Upgrade Molding w/2004 Molding
• Fits 2002-2003 GMC Envoy, N/A, 2002-03 Must Also Upgrade Molding w/2004 Molding
• Fits 2002-2003 GMC Envoy XL, N/A, 2002-03 Must Also Upgrade Molding w/2004 Molding
• Fits 2003 Isuzu Ascender, N/A, 2002-03 Must Also Upgrade Molding w/2004 Molding
• Fits 2002-2003 Oldsmobile Bravada, N/A, 2002-03 Must Also Upgrade Molding w/2004 Molding

Installation Notes

Use the included wiring harness during installation. Mounting hardware is not included. On 2002-2003 Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, GMC Envoy XL, Isuzu Ascender, and Oldsmobile Bravada applications, the notes specify that the 2004 molding must also be installed for proper fitment.

Quality Assurance

Dorman engineers this replacement to match the original center high mount stop light on the listed vehicles, with OE-style fit and function in mind. Part number 923-204 is built as a direct replacement for the factory third brake light assembly.