Notes: 119265-22900 PISTON ASSY, 0.25 OS is original YANMAR product. 119265-22900 PISTON ASSY, 0.25 OS5 is commonly used in transmissions/axles/engines 2TNE68C-ENP, 2TNE68C-ETR, 3TNE68-AK, 3TNE68-EAC, 3TNE68CG1, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849