1K0 121 051 R · Coolant hose Audi genuine (OEM) part number 1K0 121 051 R, Coolant hose. Fitted on (3)HOSE — pos 12 (KAT412.BIN)HOSE — pos 12 (KAT638.BIN)HOSE — pos 12 (KAT646.BIN) Open the interactive exploded diagram →