Notes: 26557-040082 SCREW, M4X 8 is original YANMAR product. 26557-040082 SCREW, M4X 85 is commonly used in transmissions/axles/engines L100N6-GEYT, L100N6-GEYTYI, L100N5-GEYT, L100N5-GEYTYI, L100N5-GY, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849