Genuine OEM Audi sealing ring, part number 07K133237. This component provides a critical airtight seal between intake system components, preventing vacuum leaks and ensuring optimal engine performance. It is designed to withstand heat and pressure fluctuations within the intake assembly. Genuine OEM sealing rings are manufactured from specific rubber compounds to ensure long-term elasticity and a perfect seal, which is vital for maintaining correct air-fuel ratios and engine efficiency.