Notes: 24341-000450 O-RING, 1AS45.0 is original YANMAR product. 24341-000450 O-RING, 1AS45.05 is commonly used in transmissions/axles/engines L100EEDEPTNA, L100EE-DEPTNA, 5500E-5BG, 5500E-5EBG1, 6600TE5EBG1, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849