1、OE Number: The referencing OE number of this auxiliary water pump are 06H121601H, 06H121601L, 06H121601P, 9A712160110, 7.08002.06.0. 2、Fitment: The auxiliary additional cooling water pump is a replacement for A4 A5 A6 Q3 Q5 Q7 Q8 RS RS6 RS7 S4 S5 S6 S7 SQ5 SQ7 SQ8, please check before ordering. 3、Efficient and Stable: The pump undertakes the water supply task of the vehicle cooling system, has stable operation performance, and can provide strong and uniform water flow. 4、Durable and Long Lasting: The material is sturdy, anti corrosion and wear resistant, and resists a wide range of temperature changes to ensure stable work in various environments. 5、Ideal Replacement: Direct replacement installation, meets or exceeds OEM standards for the replacement of old and damaged one on original vehicles.