Notes: 129979-44740 FAN, D550 PULLER is original YANMAR product. 129979-44740 FAN, D550 PULLER2 is commonly used in transmissions/axles/engines 4TNV94CHT-NTBC, 4TNV94CHT-NTBC, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849