The Peterbilt 357/378 Gauges & Switches product lineup includes a wide range of products to monitor and control various systems on Peterbilt semi-trucks. This product lineup features a variety of digital and analog gauges, switches, and accessories that allow drivers to easily track important metrics like engine performance, fluid levels, air pressure, and more. Key products in this product lineup include pyrometers, boost gauges, oil pressure and temperature gauges, transmission temperature gauges, and an assortment of rocker switches and toggle switches. Many of these products are available in a range of sizes, colors, and styles to complement the interior of Peterbilt trucks. Whether you're looking to upgrade your dash or replace a worn-out component, this product lineup has the Peterbilt-specific parts and accessories you need to keep your rig running in top condition.