Notes: 26226-060502 STUD, M6X 50 is original YANMAR product. 26226-060502 STUD, M6X 505 is commonly used in transmissions/axles/engines L100EE-DEVSA1, L100EEDEVSA1, L100EE-DEVSA, L100EE-DP, L100EE-DEG, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849