Genuine OEM Nissan Engine Oil Level Sensor, part number 111451KC1A. This sensor accurately measures the engine oil level, transmitting this information to the vehicle's control module to alert the driver of low oil levels. It is typically installed in the oil pan. Constructed from durable materials with precise electronic components to ensure accurate and reliable readings under various operating conditions. Genuine OEM sensors are vital for maintaining engine health by ensuring correct oil level monitoring and preventing potential damage.