The Oil Fuel Pressure Sensor with the part numbers 21634021 and 22899626 is specifically designed for use in VOLVO PENAT trucks, particularly the D12 and D13 engine models. This crucial component helps monitor the oil fuel pressure, ensuring optimal engine performance and longevity. By accurately measuring the pressure levels, it assists in preventing potential engine issues, such as oil starvation or overheating, thus contributing to the overall efficiency and reliability of the vehicle. Proper functioning of this sensor is essential for maintaining the health of the engine and ensuring a smooth driving experience.