028 103 171 · Sealing flange Audi genuine (OEM) part number 028 103 171, Sealing flange. Fitted on (3)FLANGE — pos 25 (KAT100.BIN)FLANGE — pos 24 (KAT137.BIN)FLANGE — pos 7 (KAT137.BIN) Open the interactive exploded diagram →