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(888) 312-8812 Login SignupA low-oil warning that appears with a healthy engine, or no warning when pressure really drops, calls for the Cummins Engine Oil Pressure Sensor. The engine controller watches this signal constantly and can alert the driver or derate the engine if pressure falls. A sensor that drifts sends the controller bad data, either creating needless downtime or hiding a real lubrication problem. With the Cummins 5491909 threaded into the oil gallery, readings on the dash and in the fault log match what the engine is actually doing.
SENSOR,PRESSURE
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