Notes: 24356-240210 O-RING, 4D24021 is original YANMAR product. 24356-240210 O-RING, 4D240215 is commonly used in transmissions/axles/engines 4TNV94L-PLK2, 4TNV98-ZNMS2F, 4TNV98-ZNMS2, 4TNV98-ZNGT, 4TNV98-ZNGTF, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849