4M0 121 053 K · Coolant hose Audi genuine (OEM) part number 4M0 121 053 K, Coolant hose. Fitted on (3)HOSE — pos 29 (KAT429.BIN)HOSE — pos (13) (KAT859.BIN)HOSE — pos 29 (KAT859.BIN) Open the interactive exploded diagram →