Notes: 129470-11090 SEAT, EXHAUST VALVE is original YANMAR product. 129470-11090 SEAT, EXHAUST VALVE5 is commonly used in transmissions/axles/engines 4TNE84-GB2BT, 4TNE84MT-EK, 4TNE84T-NS, 3TNE84T-NS, 4TNE84T-GB2C, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849