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NAPA · Filtration
3700
In stock · ships from Knoxville
This is a spin-on style fuel filter cartridge. It's designed to trap dirt, rust, and water before they reach your engine's fuel injection system.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 12 applications
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All confirmed applications for this part number.
Isuzu
Other applications
Isuzu
Other applications
Primarily fits Hitachi and John Deere excavators with Isuzu engines, as well as some Case models.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 9 of 9.
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You typically replace it on a regular service interval to prevent clogged injectors, power loss, or hard starting, especially on heavy-duty diesel equipment. If left too long, a dirty filter can cause severe engine damage from contaminated fuel.
Part Number: 3700
FUEL FILTER
Vendor: NAPA
Dealer: KP Services Crossville
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