Notes: 11421C-21600 GEAR, RING is original YANMAR product. 11421C-21600 GEAR, RING5 is commonly used in transmissions/axles/engines L70N6-MEMA, L70N6-PEYST, L70V6-M1, L70V6-MME1, L70V6-PEMMA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849