Notes: 24316-000090 O-RING, 4DP9.0 is original YANMAR product. 24316-000090 O-RING, 4DP9.05 is commonly used in transmissions/axles/engines 3TNM68-AIME, 3TNM68-SIME, 3TNM72-AFF, 3TNM72-APB, 3TNM72-APB1, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849