The Liqui Moly Maintenance Service Kit - 137028 is a comprehensive kit designed to provide all the necessary products for maintaining and servicing a car. It includes a variety of products that are essential for keeping a car in good working condition. The kit contains an engine oil additive, a fuel system cleaner, a radiator cleaner, a brake system cleaner, a power steering fluid, a gearbox oil additive, and a windshield washer fluid. These products are specifically chosen to cater to the different maintenance needs of a car, such as cleaning and lubricating the engine, fuel system, radiator, brakes, power steering, and gearbox. The kit is a convenient and cost-effective solution for car owners to ensure their vehicle is well-maintained and running smoothly.