Genuine OEM Audi Suction Jet Pump, part number 078133753A. This small but critical component creates a vacuum using the Venturi effect, facilitating fluid transfer or air injection within various vehicle systems, such as the fuel or emissions system. It is typically integrated into a hose or line assembly. Constructed from durable black plastic, it weighs approximately 0.027 kg. Choosing a genuine OEM suction jet pump ensures precise internal calibration and material integrity, which are vital for maintaining correct system pressures and preventing malfunctions.