Shop 1990 Buick Century Engine Oil Pressure Switch. All Models; w/o Turbo. Elantra. Elantra; 2.0L; w Sensor, Some, TRANSAXLE - OEM Buick Part # 9475021030 (94750 21030, 94750-21030, 9475011010, 9475011110, 9475021010, 9475021020)

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

Engine Oil Pressure Switch

All Models; w/o Turbo. Elantra. Elantra; 2.0L; w/Hatchback. Optima. Rio, Rio5. Santa Fe; 2.4L, 2.7L. Sonata; 2.0L. Sonata; All. Soul; 2.0L. Spectra, Spectra5. Sportage; 2.0L. Tiburon. Tiburon; 2.0L. Tucson; 2.0L.
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.