Notes: 129209-61960 CASE is original YANMAR product. 129209-61960 CASE5 is commonly used in transmissions/axles/engines 2TNE68C-ETR, 3TNV76-KWA, 3TNE68-EIK, 3TNE68-EIKA, 3TNV76-KWA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849