Peakline Overland aluminum truck topper installation

Silverado & Sierra fitment

Chevy Silverado & GMC Sierra Truck Caps

Your full-size truck has room to work, travel, and carry serious gear. A custom-fit aluminum truck cap helps turn that bed into a secure, organized space while keeping the access you need on the job or at camp.

Chevrolet Silverado with a Peakline aluminum truck cap and roof barsGMC Sierra with a Peakline aluminum truck cap

Built around your truck

More useful bed space, without losing access.

The locking side doors make it easier to reach equipment without climbing into the bed. With the right configuration, a Silverado or Sierra can stay ready for tools during the week and camping equipment on the weekend.

Peakline lists fitments for select Silverado 1500, Sierra 1500 AT4, Silverado 2500, and Sierra 2500 beds. Solid panels, fixed glass, sliding windows, roof bars, lighting, storage, and security options can be discussed for your truck.

Choose your configuration

Start with the access you need.

Solid Side

A clean, durable option for secure equipment and gear storage.

All Glass Doors

All glass doors for a clean enclosed profile.

All Glass Doors with Side Sliding Windows

All-glass doors with side sliding windows for ventilation and visibility.

Confirm your build

Choose your exact bed length before ordering.

Availability, selected options, installation timing, and the high-mount third brake light connection are confirmed with Peakline before a payment link is sent. Standard installation is included. Some trucks require additional parts or more complex wiring, which carries an additional hookup fee.