Notes: 714880-22580 PISTON ASSY, 0.50 OS is original YANMAR product. 714880-22580 PISTON ASSY, 0.50 OS5 is commonly used in transmissions/axles/engines L70AE-DIC, L100AE-DEIC, L70AE-DEIC, L48AE-DEGMA, L70AE-DEGLE, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849