Notes: 129978-01550 COVER, GEAR CASE is original YANMAR product. 129978-01550 COVER, GEAR CASE2 is commonly used in transmissions/axles/engines 4TNV94FHT-NYEM2, 4TNV94FHT-NYEM2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849