Notes: 22242-000150 RING, 15 is original YANMAR product. 22242-000150 RING, 155 is commonly used in transmissions/axles/engines L100N6-GEHYS, L100N6-GEHYSYI, L100N5-GY, L100N5-GEY2, L100N5-GEHYS, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849