Looking for a reliable fuel filter for your Cummins ISX 11.9L engine? Look no further than this pack of three DBF6776 Donaldson fuel filters. With a spin-on design and secondary filtration, these filters are perfect for keeping your engine running smoothly and efficiently. Compatible with interchange part numbers FF5776, BF9885, and WF10123, these filters boast a brand name you can trust. Invest in the best for your vehicle with these Donaldson fuel filters.