ultegrasti,
The older style M03/04 alloy uprights (silver) require part no. 50736 TL01 B parts.
Also the king pins to suit - part no.9415451 step screw 4x11.5mm or the optional king pin - 53141 4WD touring & rally car lightweight king pins.
The more recent M03M F parts are interchangeable with the M05 plastic knuckles and king pins.