Notes: 24311-000140 O-RING, 1AP14.0 is original YANMAR product. 24311-000140 O-RING, 1AP14.05 is commonly used in transmissions/axles/engines 3TNE74-KBS, 3TNV76-XDUFU, 4TNV86CT-MKTFK, 4TNE88-ELAN, 4TNE88-LAN, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849