25.4mm I.D x 43mm O.D. x 8mm thick
O/E: 399781

O/E: 497316

O/E: 493263 / 496117

O/E: 692249

Fits all Quantam models & more
O/E: 491889 / 490874

Fits many electric start models
O/E: 280104 & more

Fits 8-13HP models
O/E: 497595693054

Fits Sprint 375
O/E: 497830 / 496650

43cc Brushcutter Engine
Fits most Japanese & Chinese Shafts

35mm piston diameter
O/E:4119 030 2001

35mm bore size
O/E: 4119 020 1203

46mm bore size
O/E: 4203 020 1201