OD 39.5mm x 1.2mm thick
O/E: 1123 034 3005 / 22182 41210

40mm piston diameter
O/E:1123 030 2019

42mm piston diameter
O/E:4128 030 2005

OD 41.2mm x 1.2mm thick

40mm piston diameter
O/E:KP01031AA / FR66812

36 mm bore size
O/E: KC13011AA

39.75mm piston diameter
O/E:031 04200 201

O/E: 22160 41240

41.5mm piston diameter
O/E:13001 2140

40mm piston diameter
O/E:7021041110

44mm piston diameter
O/E:13001 2141

OD 43mm x 1.5mm thick
O/E: 041 04090 210