PETERBILT R21-1019 CONTROL-WINDOW REGULATOR,

Peterbilt is a brand that is built to last. Established in 1939, Peterbilt® has been recognized as the Class of the trucking industry, designing and constructing purpose-built vehicles that are skillfully crafted to endure the rigors of daily use and stand the test of time. Peterbilt trucks have always been groundbreaking from the beginning—equipped with advanced technologies that boost performance, safety, fuel efficiency, and uptime. When it comes to the best-in-the-industry parts and service, Peterbilt also leads the pack. It helps every trucker go further by providing a full range of replacement truck parts and accessories, including air filters, floor mats, clutch pedals, light assemblies, manifolds, sensors, and a whole lot more.