Notes: 129657-21660 V-PULLEY, 120 is original YANMAR product. 129657-21660 V-PULLEY, 1203 is commonly used in transmissions/axles/engines 4TNV88-BKNKR2, 4TNV88-BKNKR3, 4TNV88-BKNKR, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849