Notes: 171056-49351 SENSOR is original YANMAR product. 171056-49351 SENSOR5 is commonly used in transmissions/axles/engines 3TNE68-EIK, 4TNV94L-PIKA, 4TNV94L-PIK, 4TNE98-TBZ, 4TNE98-TBA, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849