67.75mm Piston Diameter
O/E: 13101 ZH8 010

37mm piston diameter
O/E: 1130 030 2000

81mm Piston Diameter
O/E: 13101 ZE3 W00

50.50mm Piston Diameter
O/E: 106 23403 01

STD
O/E: EN 70743

OD 64.5mm x 1.5mm thick, 2.5mm oil ring
O/D: 498680

O.D 51.25mm x 1.5mm thick
O/E:732 11610 00

O.D 50mm x 1.75mm thick
O/E: 106 23503 07

87m O.D x 1mm thick
O/E: 13010-Z5R-004

73.5mm O.D x 1.5mm Thick
O/E: -

81mm O.D x 2mm thick
O/E: 13010 ZE3 000 / 13010 ZE3 003

OD 65.1mm x 2mm thick, 4.8mm oil ring
O/D: 298982 / 299742