Notes: 26367-120002 NUT, M12 is original YANMAR product. 26367-120002 NUT, M125 is commonly used in transmissions/axles/engines 4TNE84T-G2A, 4TNE84T-SA, 4TNE84T-G1A, 3TNE78A-G1A, 3TNE78A-G2A, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849