The Continental Timing Belt Kit - 135380 is a comprehensive kit designed for servicing a car's timing belt system. It includes a variety of essential components to ensure the proper functioning and maintenance of the timing belt. The kit contains a timing belt, tensioner, idler pulley, and water pump. These components work together to keep the timing belt in place and ensure smooth operation of the engine. The timing belt is a critical part of a car's engine, as it controls the opening and closing of valves to allow for proper combustion. The tensioner and idler pulley help to keep the belt tight and in the correct position, while the water pump helps to circulate coolant to prevent overheating. This kit is essential for maintaining the overall health and performance of a car's engine.