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Donaldson · Filtration
P550736
In stock · ships from Knoxville
The Donaldson P550736 is a replacement fuel filter and water separator cartridge designed to protect your diesel engine's fuel system.
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Verified fitment for 2 applications
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Primarily fits Davco 380/382 series housings. Verify housing model and thread size (7.00 inches) before ordering.
Part data verified against 5 catalog sources
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It removes dirt, rust, and other contaminants down to 27 microns at 99% efficiency, while also separating water from the fuel to prevent injector damage and corrosion. This cartridge is commonly used in diesel applications, particularly with Davco 380/382 series fuel processors found on Cummins ISX engines and many other heavy-duty trucks. Replacing this filter regularly helps maintain fuel system integrity, engine performance, and prevents costly repairs from contaminated fuel.
Part Number: P550736
FUEL FILTER, WATER SEPARATOR CARTRIDGE
Category: Donaldson- F
Vendor: Donaldson
Dealer: Knox Trailers
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