Genuine OEM Volkswagen Vacuum Y-Piece Connector, part number 2D0133381. This small, durable plastic connector is designed to split or combine vacuum lines within the vehicle's suction system, facilitating proper routing and distribution of vacuum pressure. It ensures a sealed connection for efficient operation of vacuum-actuated components. Using a genuine OEM Y-piece guarantees the correct dimensions and material properties for a leak-free seal, which is critical for maintaining proper engine vacuum and overall system performance.

Catalogue entry: Y-PIECE 4-4-4.