4D2 422 893 G · Expansion hose Audi genuine (OEM) part number 4D2 422 893 G, Expansion hose. Fitted on (2)HOSE — pos (7) · AAH,AEJ (KAT152.BIN)HOSE — pos (7) · AAH,AEJ (KAT153.BIN) Open the interactive exploded diagram →