Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Donaldson · Filtration
P502422
In stock · ships from Knoxville
Donaldson P502422 is a replacement fuel filter and water separator cartridge for diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 5 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Isuzu
Mitsubishi Fuso
Other applications
Isuzu
Mitsubishi Fuso
Other applications
Cartridge-type filter; not universal. Verify your filter housing accepts P502422 or an exact cross-reference. Commonly used in Asian heavy equipment and medium-duty trucks. Check the cross-reference list for additional makes/models.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 9 of 9.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It uses cellulose media to capture particles down to 4 microns (95% efficiency) and separates water from fuel, helping prevent premature injector and pump wear. The cartridge fits specific filter housings and should be changed according to your engine’s service schedule or when the water-in-fuel warning light activates.
Part Number: P502422
FUEL FILTER, WATER SEPARATOR CARTRIDGE
Category: Donaldson- F
Dealer: KP Services Crossville
Compatibility, alternatives, and more
