Notes: 24311-000300 O-RING, 1AP30.0 is original YANMAR product. 24311-000300 O-RING, 1AP30.05 is commonly used in transmissions/axles/engines 4TNV98-YTBL, 4TNV98-YTBL2, 4TNV98-YTBL2, 3TNV82A-BPTBZ, 3TNV82A-BPTBZ, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849