Notes: 103854-01221 NUT, HEAD M16X15 is original YANMAR product. 103854-01221 NUT, HEAD M16X155 is commonly used in transmissions/axles/engines L70AE-DIC, L100AE-DEIC, L70AE-DEIC, L100AE-DEI, L100AE-DI, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849