Notes: 114310-45260 COVER B, SIDE 13 is original YANMAR product. 114310-45260 COVER B, SIDE 135 is commonly used in transmissions/axles/engines L100N6DA1F1AA, L100N6FJ1P1AA, L100N6CA1T1AA, L100N5EA1C1AA, L100N5CJ1F1AA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849