Notes: 121254-77420 BALL BEARING is original YANMAR product. 121254-77420 BALL BEARING5 is commonly used in transmissions/axles/engines 4TNV88-BKMS, 4TNV88-BDMSF, 4TNE88-EMS, 4TNE88-GR, 4TNV84T-DFM, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849