8R0 819 371 AB · Coolant hose Audi genuine (OEM) part number 8R0 819 371 AB, Coolant hose. Fitted on (2)HOSE — pos 2 · PR:TF1,TH1 (KAT751.BIN)HOSE — pos 1 (KAT751.BIN) Open the interactive exploded diagram →