Notes: 24311-000110 O-RING, 1AP11.0 is original YANMAR product. 24311-000110 O-RING, 1AP11.05 is commonly used in transmissions/axles/engines 2TNE68-HIN, 2TNE68-HIN, 2TNV70-APK, 2TNV70-MTA, 2TNV70-WLGE, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849