4M0 819 372 DH · Coolant hose Audi genuine (OEM) part number 4M0 819 372 DH, Coolant hose. Fitted on (3)HOSE — pos 11 (KAT429.BIN)HOSE — pos 11 (KAT595.BIN)HOSE — pos 11 (KAT859.BIN) Open the interactive exploded diagram →