Notes: 114970-66010 SPRING, REGULATOR is original YANMAR product. 114970-66010 SPRING, REGULATOR5 is commonly used in transmissions/axles/engines L100EE-DEVSA1, L100EEDEVSA1, L100EE-DEVSA, L100EEDEVMK2, L100EEDEVMK1, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849