This Audi engine water pump is a reliable and efficient choice for your vehicle. It is designed for use in A4, A6, and A7 models, and features a screw-on mounting style for easy installation. The pump is made with high-quality plastic impeller material and comes with 5 impeller vanes, ensuring optimal performance. In addition, this pump has been leak-tested and requires no drilling or modifications for installation, making it a hassle-free choice for your vehicle. With a manufacturer part number of 06H 121 601 M and reference OE/OEM number of Water, 06H121601M, 06H 121 601 M, this pump is a perfect fit for your Audi.