Notes: 26557-040062 SCREW, M4X 6 is original YANMAR product. 26557-040062 SCREW, M4X 65 is commonly used in transmissions/axles/engines YPU45V, YPU23V, YPU35V, 3TNV88-BKPU, YPU35V, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849