Notes: 22242-000180 RING, 18 is original YANMAR product. 22242-000180 RING, 185 is commonly used in transmissions/axles/engines 4TNE98-UPOMD, 4TNE98-UPOMD2, 4TNE98-TBA, 4TNE98-BQCKST, 4TNE98-BQCKS, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849