Notes: 24311-000440 O-RING, 1AP44.0 is original YANMAR product. 24311-000440 O-RING, 1AP44.05 is commonly used in transmissions/axles/engines 2TNV70-APK, 2TNV70-MTA, 2TNV70-WLGE, 3TNE68-TS, 3TNM74F-NCKTF, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849