Genuine OEM Audi Transmission Valve Unit, part number 0AW301520J. This complex assembly is vital for the proper functioning of the transmission, precisely regulating the flow and pressure of transmission fluid to control clutch engagement and gear ratios. It is typically located within or attached to the transmission housing. Composed of durable metal pipes and a robust plastic valve block, it is engineered to withstand high fluid pressures and temperatures. Opting for a genuine OEM transmission valve unit ensures correct hydraulic calibration and electrical signal integrity, which are paramount for the smooth, efficient, and reliable operation of the transmission.