Peterbilt 375/377 Dash Knobs: Elevate Your Truck's Style and Convenience From the classic chrome AC control knobs to the sleek and modern tractor and trailer air valve knobs, the Peterbilt 375/377 dash knob collection offers a wide range of customization options to enhance the look and functionality of your semi-truck. Whether you're seeking a touch of elegance with a jewel-toned knob or a bold, statement-making design, this product lineup has something to suit every driver's personal style. Beyond the aesthetics, these durable and highly-functional knobs make it easy to control your truck's vital systems, from the HVAC to the air brakes. With a focus on quality and attention to detail, these Peterbilt dash knobs are built to withstand the rigors of the open road while providing a premium look and feel that will make your truck stand out from the crowd.