This set includes essential parts for the WP 15L-100 water pump, ensuring optimal functionality and performance. It contains one cylinder head gasket, which serves as a seal to prevent leaks between the cylinder head and engine block. Additionally, there are two small lamellar valves and two large lamellar valves included in the set. These valves are crucial for regulating water flow within the pump, allowing for efficient operation and preventing backflow. All components are manufactured with high-quality materials, designed for durability and reliability in various operating conditions.