The Genuine VW / Audi Oil Sensor Hole Kit - 178544 is a comprehensive set of products designed specifically for use in cars from the Volkswagen and Audi brands. This kit includes all the necessary components to properly install an oil sensor hole in a car, ensuring accurate and reliable readings of the oil levels. The kit contains three main components, which are not named specifically to avoid referencing the brand names of the parts on the car that it services. These components include an oil sensor, a sensor adapter, and a sealing ring. The oil sensor is responsible for detecting the oil levels in the car's engine, while the sensor adapter connects the sensor to the engine. The sealing ring ensures a tight and secure fit to prevent any leaks. This kit is essential for maintaining the proper functioning of a car's oil system and is a must-have for any VW or Audi owner.