4M0 819 374 CG · Coolant hose Audi genuine (OEM) part number 4M0 819 374 CG, Coolant hose. Fitted on (3)HOSE — pos 17 (KAT429.BIN)HOSE — pos 17 (KAT595.BIN)HOSE — pos 17 (KAT859.BIN) Open the interactive exploded diagram →