Peterbilt 375/377 Cab, Sleeper & Cowl Panels

Frequently Asked Questions About Peterbilt 375/377 Cab, Sleeper & Cowl Panels

What exactly is included in this category?

This category covers exterior sheet metal and structural panels for the Peterbilt 375 and 377, including cab panels, sleeper box panels, and cowl panels. These are the body panels that make up the cab structure, sleeper compartment exterior, and the cowl area beneath the windshield, used for replacing rusted, dented, or otherwise damaged sections of your truck.

Will these panels fit my specific Peterbilt 375 or 377 model year?

Panel fitment can vary depending on the cab configuration, sleeper length, and production year of your truck, since Peterbilt made design changes over the years these models were in production. Always check the listed specifications and compare measurements to your existing panel before ordering, and reach out to our support team with your VIN or model details if you are unsure about a specific fit.

Are these panels made from the same material as the factory originals?

Most replacement panels are manufactured from steel or aluminum to match the general construction of the original factory panel, though exact gauge and alloy can differ by manufacturer. Check the product description for material specifics, and keep in mind that aftermarket panels may require minor adjustments in thickness or contour compared to OEM parts.

Do these panels come primed, painted, or bare metal?

Panels are typically sold in a bare or primed finish rather than painted to match your truck's color. This allows you to prep and paint the panel to match your specific paint code after installation. Confirm the finish listed on the product page before purchasing so you can plan for painting or additional prep work.

What does installation typically involve, and can I do it myself?

Installation generally involves removing the damaged panel through unbolting or cutting out welded sections, then fitting and securing the new panel using welding, riveting, or bolting depending on the panel type and original construction method. Cab and sleeper panel work often requires cutting, welding, and body filler work to achieve a clean factory-like fit, so this job is best handled by someone with body shop experience or a qualified truck repair shop unless you're comfortable with metal fabrication.