The Elring VANOS Gasket - 612021 is a gasket specifically designed for the VANOS system in a vehicle. The VANOS system is responsible for controlling the timing of the engine's valves, which is crucial for proper engine performance. This gasket is made by Elring, a trusted manufacturer of high-quality automotive parts. It is made from durable materials and is designed to withstand high temperatures and pressure. The gasket ensures a tight seal between the VANOS system components, preventing any leaks or loss of pressure. It is an essential component for maintaining the proper functioning of the VANOS system and ensuring optimal engine performance.