Donaldson Fuel Filter & Water Separator Cartridge (P550849)

The Donaldson P550849 is a fuel filter and water separator cartridge engineered to protect diesel fuel systems from water and fine particulate contaminants. Designed for durability and high performance under heavy-duty conditions, it delivers reliable engine protection and enhanced service life.

Features:

• Cartridge style with integrated water separation capability

• Efficiency: ~99 % at 8 micron — high filtration accuracy

• Outer diameter: ~4.21 in (107 mm)

• Length: approx. 7.0 in (178 mm)

• Media type: cellulose or equivalent high-capacity filtration media

• Built for rugged fuel system environments

Applications:
Ideal for diesel trucks and equipment requiring fuel and water separation in the fuel supply system. Works where water contamination or fuel quality issues are a concern.

Cross References:

• Baldwin: PF7928, PF9814

• Fleetguard: FS19763, FS19764

• NAPA: 3763

• WIX: 33964

• VMC: FS550849

• DAVCO / EleMax / Fuel Processor systems for Cummins QSM12 / QSX15 / X15 engines

• Cummings: FS19766G