When it came time to replace the fuel filter on my ISX15 CM2250 engine, I opted for this genuine Fleetguard fuel filter found at
https://firsttruckparts.com/products/ff5825nn-genuine-fleetguard%C2%AE-fuel-filter-for-isx15-cm2250 . The quality and performance of this OEM part have been outstanding, ensuring that my engine runs smoothly and efficiently. It's a crucial component for maintaining the longevity and reliability of the engine.