4H0 422 893 BM · Expansion hose Audi genuine (OEM) part number 4H0 422 893 BM, Expansion hose. Fitted on (2)HOSE — pos (8) · PR:1N3 (KAT696.BIN)HOSE — pos (8) · PR:1N7 (KAT696.BIN) Open the interactive exploded diagram →