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Donaldson · Filtration
P550737
In stock · ships from Knoxville
The Donaldson P550737 is a fuel water separator filter cartridge that removes water, dirt, and other contaminants from diesel fuel before it reaches the engine.
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Direct replacement for Davco 382115 and 382116 cartridges. Fits many makes and models of heavy-duty trucks using Davco fuel/water separators. Verify housing dimensions and thread compatibility.
Part data verified against 3 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 22.
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It installs inside a Davco-style fuel/water separator housing, commonly found on heavy-duty trucks, to protect fuel injectors, pumps, and related components from wear and corrosion. Replace this cartridge at regular service intervals—typically every 15,000–30,000 miles—or whenever water-in-fuel warnings appear, to maintain engine performance and prevent costly damage.
Part Number: P550737
FUEL FILTER, WATER SEPARATOR CARTRIDGE
Category: Donaldson- F
Vendor: Donaldson
Dealer: KP Services Crossville
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