Notes: 171031-11741 PIPE is original YANMAR product. 171031-11741 PIPE5 is commonly used in transmissions/axles/engines 3TNE68-ENSR, 3TNE68-NSR, 3TNE74-ENSR2, 3TNE74-NSR2, 4TNV94L-XHYB, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849