The Liqui Moly Maintenance Service Kit - 137076 is a comprehensive kit designed to provide essential maintenance for a car. It includes a variety of products that help keep the car running smoothly and efficiently. The kit contains an oil filter, air filter, fuel filter, spark plugs, engine oil, and transmission fluid. These products are essential for maintaining the performance and longevity of a car's engine and transmission. The oil filter helps remove impurities from the engine oil, while the air filter prevents dirt and debris from entering the engine. The fuel filter ensures that clean fuel is delivered to the engine, and the spark plugs provide a spark for the combustion process. The engine oil helps lubricate and protect the engine, while the transmission fluid ensures smooth shifting and proper functioning of the transmission. This maintenance service kit is a convenient and cost-effective way to keep a car in top condition.