Notes: 129F01-13350 PIPE, EXHAUSTAUST is original YANMAR product. 129F01-13350 PIPE, EXHAUSTAUST4 is commonly used in transmissions/axles/engines 4TNV94FHT-NKK, 4TNV94FHT-NYEM2, 4TNV94FHT-NYEM2, 4TNV94FHT-NKK, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849