The Bosch Throttle Body Kit - 471737 is a comprehensive kit of products designed to service and maintain the throttle body of a car. It includes three essential components: a throttle body gasket, a throttle position sensor, and a throttle body cleaner. The gasket is used to seal the connection between the throttle body and the intake manifold, ensuring proper air flow and preventing leaks. The throttle position sensor measures the position of the throttle plate, which is crucial for determining the amount of fuel and air to be delivered to the engine. Lastly, the throttle body cleaner is used to remove dirt, grime, and carbon deposits from the throttle body, ensuring smooth operation and optimal performance. This kit is suitable for a wide range of car models and is an essential tool for maintaining the throttle body and ensuring the efficient functioning of the engine.