The Liqui Moly Maintenance Service Kit - 137078 is a comprehensive kit designed to provide essential maintenance for a car. It includes a variety of products to help keep a car running smoothly and efficiently. The kit contains an oil filter, air filter, fuel filter, spark plugs, and engine oil. These components are essential for maintaining the overall performance and longevity of a car's engine. Additionally, the kit includes a fuel system cleaner and an engine flush, which help to remove any buildup or debris that may be hindering the car's performance. The kit also includes a power steering fluid and a coolant, which are important for keeping the car's steering and cooling systems functioning properly. This kit is a convenient and cost-effective option for car owners looking to perform regular maintenance on their vehicle.