Notes: 26347-040002 NUT, M4 is original YANMAR product. 26347-040002 NUT, M45 is commonly used in transmissions/axles/engines 3TNE68-ADCL, 4TNV98T-NSA, 4TNV98-NSA, 4TNV98T-NSA, 4TNV98T-GGE, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849