China Crankshaft Sensor Hyundai 39180-26900 Crankshaft Position Sensor The crankshaft position sensor measures the rotation speed (RPMs) and the precise position of the engine crankshaft. Without a crankshaft position sensor the engine wouldn't start. he crankshaft position sensor is abbreviated to CKP. Cuando selecciona OEM genuino, puede confiar en la alta calidad y eficacia del producto sin...