Notes: 124950-21600 GEAR, RING is original YANMAR product. 124950-21600 GEAR, RING5 is commonly used in transmissions/axles/engines 2TNE68C-ENP, 2TNE68-DB, 2TNE68-EDB, 2TNE68-EIK, 2TNE68-ETB, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849