4H2 819 372 H · Coolant hose Audi genuine (OEM) part number 4H2 819 372 H, Coolant hose. Fitted on (3)HOSE — pos (8) · 1 (KAT696.BIN)HOSE — pos 3 (KAT771.BIN)HOSE — pos 3 (KAT771.BIN) Open the interactive exploded diagram →