1J2 819 030 · heat exchanger Audi genuine (OEM) part number 1J2 819 030, heat exchanger. Fitted on (2)HEAT EXCH — pos (30) · PR:QS1 (KAT201.BIN)HEAT EXCH — pos (30) · PR:QS1 (KAT209.BIN) Open the interactive exploded diagram →