Notes: 123900-77540 SHAFT, PINION is original YANMAR product. 123900-77540 SHAFT, PINION5 is commonly used in transmissions/axles/engines 4TNV94L-XHYB, 4TNV94L-XHYB2, 4TNV94L-PLK, 4TNV94L-PLK2, 4TNV94L-PIK, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849