The Liqui Moly Maintenance Service Kit - 137072 is a comprehensive set of products designed to provide regular maintenance for a car. This kit includes five different items that are essential for maintaining the health and performance of a vehicle. The first item is a fuel system cleaner, which helps to remove deposits and improve the overall efficiency of the engine. The second item is an engine oil additive, which helps to protect the engine and improve its lubrication. The third item is a radiator cleaner, which helps to remove rust and other contaminants from the cooling system. The fourth item is a brake system cleaner, which helps to remove brake dust and other debris from the brake system. Lastly, the kit includes a power steering fluid, which helps to maintain smooth and efficient steering. This kit is suitable for all types of cars and can help to prolong the life of the vehicle's essential components.