To discover exactly which parts you require use the on-line schematic exploded diagram - it will even give you some idea of where and how to fit those new parts.
The largest parts list ( E-3 ) contains eighty-two products for this SKX50 2002 (2) SMART DIO-SMART DIO DX (JAPAN) AF56-110 AF57-110.
Find eight hundred eighty-six parts within these schematic pages