Notes: 24321-000300 O-RING, 1AG30.0 is original YANMAR product. 24321-000300 O-RING, 1AG30.05 is commonly used in transmissions/axles/engines 4TNE88-TB1, 4TNE88-ETBZ, 4TNE88-ETB, 4TNE84-AF, 4TNE84-AF, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849