8R0 121 030 B · Coolant hose Audi genuine (OEM) part number 8R0 121 030 B, Coolant hose. Fitted on (2)HOSE — pos 13 · PR:8Z9 (KAT647.BIN)HOSE — pos 18 · PR:8Z9 (KAT647.BIN) Open the interactive exploded diagram →