Shop 1984 Buick Century Engine Oil Pressure Switch. Catera. CTS. Saturn; 3.0L. Vue; 3.0L. Engine Oil Sensor, Some, Turn, Unit - OEM Buick Part # 55354378 (30563311, 4770186, 90507539, 93318082, D1831A)

Switch. Oil. Pressure. Engine. Assembly - Indicator. Sending Unit.
Engine Oil Pressure Switch. For Light.

Engine Oil Pressure Switch

Fits Catera, CTS, L300, LS2, LW2, LW300, Vue

Catera. CTS. Saturn; 3.0L. Vue; 3.0L.
Engine Oil Pressure Sensor/Switch - Repair or Replace
The oil pressure switch or oil pressure sensor in your communicates with your engine’s computer to turn on the oil light if the oil pressure is low. In some cases, they can fail as a result of an oil leak and must be replaced to prevent catastrophic engine damage.