The Hengst Maintenance Service Kit - 135903 is a comprehensive set of products designed to help maintain and service a car. It includes six different items that are essential for keeping a car running smoothly and efficiently. The kit contains an oil filter, air filter, fuel filter, cabin air filter, engine oil, and transmission fluid. These products are essential for regular maintenance and upkeep of a car's engine and other components. The kit is designed to provide all the necessary components for a complete maintenance service, making it convenient and cost-effective for car owners. It is suitable for a wide range of car models and brands, making it a versatile and practical choice for car maintenance.