3D0 809 937 B · Hose SEAT genuine (OEM) part number 3D0 809 937 B, Hose. Fitted on (4)HOSE — pos 5 (KAT471.BIN)Hose — pos 15 (KAT705.BIN)HOSE — pos 5 (KAT835.BIN)Hose — pos 15 (KAT878.BIN) Open the interactive exploded diagram →