Notes: 129901-22050 RING SET, PISTON is original YANMAR product. 129901-22050 RING SET, PISTON5 is commonly used in transmissions/axles/engines 4TNE94-G1A, 4TNE94-EIK, 4TNE94L-BSDF, 4TNE94-WI, 4TNE94-SA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849