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Donaldson · Filtration
P550849
In stock · ships from Knoxville
The Donaldson P550849 is a fuel filter and water separator cartridge designed for diesel engines.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
Caterpillar
Other applications
Caterpillar
Other applications
Commonly found on trucks with Cummins or Caterpillar engines and in off-highway equipment. Exact vehicle models not verified; always confirm against OEM service manual.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 9 of 9.
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It removes solid contaminants and separates emulsified water from diesel fuel to protect fuel injectors, pumps, and other sensitive components from wear and corrosion. Replacing this cartridge at the recommended intervals ensures clean fuel delivery, maintains engine efficiency, and helps prevent costly fuel system repairs. It is commonly used in heavy-duty trucks, construction equipment, and fleet vehicles equipped with DAVCO fuel processor systems or engines that call for the Caterpillar 3700572 specification.
Part Number: P550849
FUEL FILTER, WATER SEPARATOR CARTRIDGE
Category: Donaldson- F
Dealer: Knox Trailers
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