Notes: 22252-000300 RING, 30 is original YANMAR product. 22252-000300 RING, 305 is commonly used in transmissions/axles/engines 4TNV94L-XHYB, 4TNV94L-XHYB2, 4TNV94L-PLK, 4TNV94L-PIK, 4TNV94L-PHYBW, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849