Notes: 26306-080002 NUT, M8 is original YANMAR product. 26306-080002 NUT, M85 is commonly used in transmissions/axles/engines 2TNE68-CDM, 2TNE68C-ENP, 2TNE68C-ETR, 2TNE68-CMC, 2TNE68-CMC2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849