21634017
Crankcase Pressure Sensor
Mack

This crankcase pressure sensor monitors internal pressure levels within the engine's crankcase, providing vital data for engine management systems. Accurate readings help detect issues such as blow-by gases or seal failures early, preventing potential engine damage. The sensor's robust construction ensures reliable operation in the demanding conditions of heavy-duty trucking, including exposure to vibration, heat, and contaminants. Proper functioning of this sensor contributes to optimal engine performance, emissions control, and fuel economy. Regular diagnostics and timely replacement can prevent costly repairs. Source One Parts Center offers this high-quality sensor, trusted for precision and durability in commercial vehicle applications.