Notes: 26577-040122 SCREW, M4X12 is original YANMAR product. 26577-040122 SCREW, M4X125 is commonly used in transmissions/axles/engines 4TNE98-SA, 4TNE98-G1A, 4TNE94-SA, 4TNE94-G1A, 4TNE98-FB, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849