Genuine OEM Audi turbocharger hose, part number 057145742G. This hose is a critical component in the forced induction system, responsible for transporting pressurized air between the turbocharger and the intake assembly. It is constructed from high-grade, heat-resistant rubber to withstand the extreme temperatures and pressures generated by the engine. Genuine OEM hoses are manufactured with the precise wall thickness and reinforcement required to prevent collapse or bursting under boost. Using a genuine part ensures the correct routing geometry and a factory-tight seal, which is vital for maintaining optimal engine performance and preventing boost leaks.