Notes: 26366-060002 NUT, M6 is original YANMAR product. 26366-060002 NUT, M65 is commonly used in transmissions/axles/engines 2TNE68-BL, 2TNE68-BL, 2TNE68-BL, 2TNE68-BL2, 2TNE68-BL2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849