Notes: 129002-22090 PISTON ASSY is original YANMAR product. 129002-22090 PISTON ASSY5 is commonly used in transmissions/axles/engines 4TNE84-GB2B, 4TNE84-GB2BT, 4TNE84-GB2C, 4TNE84MT-EK, 4TNE84T-ENSW, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849