Notes: 26014-080502 BOLT, M8X 50 is original YANMAR product. 26014-080502 BOLT, M8X 505 is commonly used in transmissions/axles/engines 4TNE98-SA, 4TNE98-G1A, 4TNE94-G1A, 4TNE94-SA, 4TNE88-LAN, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849