Notes: 714780-22581 PISTON ASSY, 0.50 OS is original YANMAR product. 714780-22581 PISTON ASSY, 0.50 OS5 is commonly used in transmissions/axles/engines L48ADVMK, L48EE-DVMK, L70ADVMK, L70EE-DVMK, L48AE-DEGYC, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849