Notes: 714295-22620 PISTON W-RING OS.25 is original YANMAR product. 714295-22620 PISTON W-RING OS.255 is commonly used in transmissions/axles/engines L48V6-M1, L48V6-PSU1, L48V6-VWK, L48V6AF3R9AA, L48V6CA1T1AA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849