Shop Buick Century Engine Oil Pressure Switch. 4.6 LITER. All Models. All Models; Switch; 4.6L, 4.9L Sensor, Models, COOLER - OEM Buick Part # 12635958 (12571721)

Pressure. Switch. Oil.
2nd Design. Engine Oil Pressure Switch. Assembly - Engine Indicator. Sending Unit. Sensor.

Engine Oil Pressure Switch

Fits Bonneville, Deville , DTS, Eldorado, Lucerne, Seville

4.6 LITER. All Models. All Models; Switch; 4.6L, 4.9L. AUXILIARY. Bonneville, LeSabre; 4.6L. DTS. Lucerne; 4.6L. Seville.
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.