Caterpillar 326-1641 Fuel Filter High Search or restriction warning on the

or restriction warning on the dash

and QSX15 heavy-duty 15L diesel engines

2-micron absolute cellulose media

FRAM: PH3612

Carrier X4 7500

Caterpillar 326-1641 Fuel Filter High Search or restriction warning on theGenuine Caterpillar 326 1641 Advanced Efficiency spin on fuel water separator for Cat C series industrial and on highway engines, replacing Fleetguard FS19968, Donaldson P550900, and Baldwin BF9903 SP. Removes essentially 100% of free water and roughly 90% of emulsified water through cellulose and acrylic bead media; sized for high flow service (2428 GPM) on Cat C13, C15, C18, and C27 platforms used in heavy equipment and gensets. Specifications