7L0 121 156 · Coolant hose Volkswagen genuine (OEM) part number 7L0 121 156, Coolant hose. Fitted on (3)HOSE — pos 36 (KAT478.BIN)HOSE — pos 36 (KAT478.BIN)HOSE — pos 36 (KAT478.BIN) Open the interactive exploded diagram →