Notes: 129100-51560 PINION is original YANMAR product. 129100-51560 PINION5 is commonly used in transmissions/axles/engines 2TNV70-ASG, 2TNV70-HGB2BT, 2TNV70-KAP, 2TNV70-KAR, 2TNV70-MTA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849