Notes: 26014-100252 BOLT, M10X 25 is original YANMAR product. 26014-100252 BOLT, M10X 254 is commonly used in transmissions/axles/engines 4TNE106T-G1A, 4TNE106T-SA, 4TNE106-G1A, 4TNE106-SA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849