Notes: 129A00-16720 STIFFENER, DPF B is original YANMAR product. 129A00-16720 STIFFENER, DPF B2 is commonly used in transmissions/axles/engines 4TNV88C-DYEM, 4TNV88C-DYEM, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849