Notes: 123900-13630 BOLT, M8X80 is original YANMAR product. 123900-13630 BOLT, M8X805 is commonly used in transmissions/axles/engines 4TNV94L-XHYB, 4TNV94L-XHYB2, 4TNV94L-PLK2, 4TNV94L-PLK, 4TNV94L-PIKA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849