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(888) 312-8812 Login SignupThe Peterbilt Air Compressor supplies compressed air by converting engine-driven rotation into pressurized airflow for vehicle pneumatic systems. As the engine turns, the internal piston cycles draw in ambient air and compress it through controlled chamber movement. That pressurized output is then routed toward downstream components such as brake circuits and auxiliary air consumers. The compressor operates in sync with engine speed, adjusting air delivery as operating conditions change. Designed for MX-13 platforms, the system integrates into existing air plumbing without altering operating behavior. The Peterbilt 2139800PEX maintains consistent air generation during normal vehicle operation.
| Brand | Part Number |
|---|---|
| DAYTON PARTS | 912-218-002-7 |
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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.
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