928 110 273 00 · Y-piece Porsche genuine (OEM) part number 928 110 273 00, Y-piece. Fitted on (3)Y-PIECE — pos 27 (KAT1003.BIN)Y-PIECE — pos 42 (KAT1006.BIN)Y-PIECE — pos 23 (KAT1006.BIN) Open the interactive exploded diagram →