40mm piston diameter
O/E:265227

50.25mm Piston Diameter
O/E: 106 23402 01

35mm piston diameter
O/E:4119 030 2001

67.75mm Piston Diameter
O/E: 13101 ZH8 010

STD
O/E: EN 70743

OD 44mm x 1.5mm thick
O/E: 13008 6044

59mm O.D x 1.5mm thick
O/E: 13010 ZE6 003

OD 52mm x 1.5mm thick
O/E: 1115 034 3010

OD 40mm x 1.6mm thick
O/E: 5402500600

59.2m O.D x 1mm thick

76.5mm O.D x 2mm thick
O/E: 13010 ZE8 601

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