Notes: 129C01-16721 STIFFENER, DPF B is original YANMAR product. 129C01-16721 STIFFENER, DPF B5 is commonly used in transmissions/axles/engines 4TNV86CT-MKTFK, 4TNV86CHT-MAW, 4TNV86CT-DKK, 4TNV86CT-DVF, 4TNV86CT-DWZ, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849