4D1 422 893 K · Expansion hose Audi genuine (OEM) part number 4D1 422 893 K, Expansion hose. Fitted on (2)HOSE — pos 7 · AAH,AEJ (KAT152.BIN)HOSE — pos 7 · AAH,AEJ (KAT153.BIN) Open the interactive exploded diagram →