Notes: 129C20-16730 STIFFENER, DPF C is original YANMAR product. 129C20-16730 STIFFENER, DPF C2 is commonly used in transmissions/axles/engines 4TNV88C-PYBU, 4TNV88C-PYB, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849