Notes: 714870-22551 RING SET, 0.50 OS is original YANMAR product. 714870-22551 RING SET, 0.50 OS5 is commonly used in transmissions/axles/engines L70ABEDEGMTA, L70ABEDEGMTA, L70AE-DEGFR, L70AE-DEGFRYC, L70AEDEGFRYC, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849