Notes: 114320-66010 SPRING, REGULATOR is original YANMAR product. 114320-66010 SPRING, REGULATOR5 is commonly used in transmissions/axles/engines L100N6DA1F1AA, L100N6FJ1P1AA, L100N6CA1T1AA, L100N5EA1C1AA, L100N6FJ1P1AA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849