Dorman Center High Mount Stop Light for Chevrolet Silverado & GMC Sierra 1999–2007 — Direct-Fit OE-Style Replacement

The Dorman 923-240 Center High Mount Stop Light is a direct-fit replacement third brake light engineered to match the original equipment appearance and function for select Chevrolet Silverado and GMC Sierra models from 1999 through 2007.

If the center high mount stop light on your truck is cracked, dim, or malfunctioning, this Dorman assembly offers a straightforward replacement without costly dealership parts. The lens, housing and electrical interface were reverse-engineered to replicate the factory unit so you get consistent fit, illumination and finish. Before ordering, confirm your exact year, make and trim in the vehicle selection tool to ensure compatibility.

Will this stop light fit my Chevy Silverado or GMC Sierra?

This part was designed to replace the factory center high mount stop light on many Silverado and Sierra pickups produced between 1999 and 2007. Fitment varies by model year and trim, so checking your vehicle details is essential.

• Compatible models include Chevrolet Silverado 1500/2500/3500 and GMC Sierra 1500/2500/3500 across specified years.
• Works with both standard and HD variants where listed for 1999–2007 model years.
• Use the garage/vehicle selector on the product page to verify exact fit before purchasing.

How does this replacement compare to the original equipment unit?

The assembly is reverse-engineered to mimic the original in appearance, mounting points and wiring interface. While not an OEM-branded part, it is built to deliver comparable visibility and a near-factory fit.

• Lens and housing shaped to match factory contours for a seamless look.
• Electrical connector and mounting tabs placed to align with stock locations.
• Constructed from durable materials to provide reliable illumination under normal conditions.

What should I expect during installation and maintenance?

Installation is intended to be a direct swap with the original center high mount light and typically requires basic tools and minimal time. Routine maintenance is limited to cleaning the lens and inspecting the wiring for corrosion or wear.

• Direct-fit design reduces need for modifications or additional parts.
• Standard hand tools usually accomplish removal and replacement.
• Inspect connector contacts and mounting clips before completing installation.

What quality checks and support back this Dorman part?

This stop light assembly was developed and tested by Dorman engineers in the United States to meet practical fit and function expectations. It undergoes testing intended to ensure secure mounting and consistent illumination over typical service life.

• Engineered and validated by a dedicated design team.
• Manufactured from materials selected for visibility and durability.
• Sold as a complete assembly to simplify replacement and reduce installation guesses.

Who is this for: The Dorman 923-240 is aimed at owners of compatible Chevrolet Silverado and GMC Sierra trucks who need a dependable, cost-effective replacement for a damaged or malfunctioning third brake light. It’s ideal for DIY installers and independent shops that want a near-original fit without the dealership markup. Confirm vehicle fitment before purchase to ensure correct application.

Features at a glance:

• Designed to resemble and perform like the original third brake light for specified models.
• Made from quality components for clear visibility and dependable illumination.
• Engineered and supported by Dorman’s U.S.-based team of specialists.
• Tested for fit and long-term serviceability; verify fit using the garage tool.