Genuine OEM Volkswagen turbocharger hose, part number 057145743E. This hose is a critical component of the forced induction system, designed to transport pressurized air between turbocharger components. It is located within the turbocharger assembly. Genuine OEM hoses are engineered with specific reinforced rubber compounds to resist oil degradation, heat, and high-pressure expansion, ensuring consistent boost pressure and preventing leaks.