8R2 422 891 L · Return hose Audi genuine (OEM) part number 8R2 422 891 L, Return hose. Fitted on (2)HOSE — pos (7A) · PR:1N7 (KAT647.BIN)HOSE — pos (7A) · PR:1N7 (KAT647.BIN) Open the interactive exploded diagram →