04L 907 807 FJ · NOx sensor Audi genuine (OEM) part number 04L 907 807 FJ, NOx sensor. Fitted on (3)SENSOR — pos (2) (KAT597.BIN)SENSOR — pos (2) (KAT597.BIN)SENSOR — pos (2) (KAT597.BIN) Open the interactive exploded diagram →