Notes: 129406-18010 TURBINE, RHB31 is original YANMAR product. 129406-18010 TURBINE, RHB315 is commonly used in transmissions/axles/engines YEG22SL, YEG22TL, YEG12SL, YEG16TL, YEG30TL, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849