Genuine VW/Audi Vacuum Pump - 03H145100E; Original Equipment Manufacturer (OEM) direct replacement part for Volkswagen and Audi vehicles; designed to match the performance of the original pump; meets or exceeds OE specifications; includes mounting bracket and gasket; compatible with VW/Audi models including A3, A4, A5, Q3, Q5, S3, S4, S5, TT, TTS, and RS3.