Notes: 26366-080002 NUT, M8 is original YANMAR product. 26366-080002 NUT, M85 is commonly used in transmissions/axles/engines 2TNE68-BL, 2TNE68-BL2, 2TNE68C-BG, 2TNE68C-EBG, 2TNE68C-KG2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849