Notes: 714870-22552 RING SET, 0.50 OS is original YANMAR product. 714870-22552 RING SET, 0.50 OS5 is commonly used in transmissions/axles/engines L70AE-D1, L70AE-DEKAYC, L70AE-DEMBYC, L70AE-DETMW2, L70EE-DPTNA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849