N0115901 · Conical washer Porsche genuine (OEM) part number N0115901, Conical washer. Fitted on (3)WASHER — pos 31 (KAT1001.BIN)WASHER — pos 31 (KAT1004.BIN)WASHER — pos 31 (KAT1005.BIN) Open the interactive exploded diagram →