928 631 439 00 · Washer Porsche genuine (OEM) part number 928 631 439 00, Washer. Fitted on (3)WASHER — pos 4 (KAT1003.BIN)WASHER — pos 4 (KAT1006.BIN)WASHER — pos 18 (KAT1072.BIN) Open the interactive exploded diagram →