Notes: 114399-78270 DINAMO ASSY, 1A is original YANMAR product. 114399-78270 DINAMO ASSY, 1A5 is commonly used in transmissions/axles/engines L100N5-GY2, L100N5-GEY2, L100N5-GY, L100N5-GEY, L100N6-GEY, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849