Notes: 129900-01500 CASE, GEAR is original YANMAR product. 129900-01500 CASE, GEAR4 is commonly used in transmissions/axles/engines 4TNE98-TBL, 4TNE98-LAN, 4TNE98-TBL, 4TNE98-LAN, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849