Notes: 129978-21640 PULLEY, CRANKSHAFT is original YANMAR product. 129978-21640 PULLEY, CRANKSHAFT2 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