Notes: 119802-01561 STUD, M8X25 is original YANMAR product. 119802-01561 STUD, M8X255 is commonly used in transmissions/axles/engines 3TNM74F-SAKV, 4TNV88-ZSTB1, 4TNV88-ZSTB, 4TNV88-BXYB, 4TNV88-BXYB1, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849