Genuine OEM Audi Protective Sleeve, part number 823711641B. This sleeve is designed to protect internal components from environmental elements like dust, dirt, and moisture. It is typically used on the left side to seal openings or cover connections. Made from durable rubber, this small component weighs approximately 0.0043 kg. Using a genuine OEM sleeve ensures proper fit and material composition, providing effective long-term protection and sealing for critical parts.