3C0 121 051 E · Coolant hose Audi genuine (OEM) part number 3C0 121 051 E, Coolant hose. Fitted on (2)HOSE — pos 8 · PR:8Z9 (KAT412.BIN)HOSE — pos 8 · PR:8Z9 (KAT638.BIN) Open the interactive exploded diagram →