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PAI · Probes & Sensors
050644
In stock · ships from Knoxville
This is a manifold absolute pressure (MAP) sensor, also called a boost pressure sensor, built for Cummins ISB diesel engines.
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Direct replacement for Cummins OE sensor 4921497 on ISB engines. Common in many medium-duty trucks, buses, and RV chassis. Always verify fitment by engine serial number.
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It measures the pressure in the intake manifold and reports it to the engine control module, helping the engine manage fuel and turbo boost efficiently. You would replace it when you see symptoms like sluggish acceleration, black exhaust smoke, or diagnostic codes pointing to a faulty boost pressure signal.
Part Number: 050644
PRESSURE SENSOR 4921497
Vendor: PAI Industries
Dealer: KP Services Crossville
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