Genuine OEM Audi T-fitting, part number 06H133537C. This fitting is designed to connect fuel or vacuum lines within the engine intake and fuel system assembly. It ensures a secure, leak-free connection that maintains the necessary pressure and flow characteristics for optimal engine performance. Manufactured to strict factory tolerances, this T-fitting provides the exact material composition and dimensions required for the application. Genuine OEM parts are critical for fuel system components to ensure proper routing geometry and resistance to fuel-related degradation.