4H2 422 893 P · Expansion hose Audi genuine (OEM) part number 4H2 422 893 P, Expansion hose. Fitted on (3)HOSE — pos 9A (KAT696.BIN)HOSE — pos 9A (KAT696.BIN)HOSE — pos 9A (KAT771.BIN) Open the interactive exploded diagram →