Notes: 714880-22540 RING SET, 0.25 OS is original YANMAR product. 714880-22540 RING SET, 0.25 OS5 is commonly used in transmissions/axles/engines L48ACE-DELBY, L70ACE-DELBY, L100ACE-DELB, L70ADEG5ND, L70ADEG6ND, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849