Audi S4 6Hp19a Hhu Transmission - Output Shaft

The 6HP19A HHU Transmission Output Shaft is a critical component designed for seamless operation within the automatic transmission system of select Audi vehicles. This genuine OEM part, with various part numbers associated—including but not limited to 09G 321 307 A—ensures reliable power transfer from the transmission to the drivetrain. Primarily compatible with the Audi S4 (2004-2005), it integrates seamlessly into the vehicle's transmission assembly, providing precise gear engagement and smooth shifting. This output shaft addresses common issues such as worn tooth profiles and shaft damage, which can lead to slipping or poor acceleration. Sourced from carefully salvaged vehicles, each output shaft maintains authentic factory specifications, ensuring optimal performance and compatibility with the original system. The 6HP19A designation identifies this part's specific application and fitment requirements. By replacing a faulty output shaft, drivers can restore their vehicle's drivability and efficiency.