Notes: 23887-120002 PLUG, 12 is original YANMAR product. 23887-120002 PLUG, 125 is commonly used in transmissions/axles/engines L100AE-DVBO, L100AE-DEVBO, 3TNE78A-HP, 3TNE78A-KG2, L70AE-DEIC, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849