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PAI Industries · Fuel System
380170
In stock · ships from Knoxville
This is a fuel check valve for Caterpillar 3406E, C15, C16, and C18 diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 17 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Caterpillar
Freightliner
International
Kenworth
Peterbilt
Other applications
Caterpillar
Freightliner
International
Kenworth
Peterbilt
Other applications
Fitment is based on engine application. The valve fits the listed engines, which are used in the specified truck models and years. Always verify engine model before installing.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is a one-way valve that prevents fuel backflow, maintaining consistent fuel pressure and improving engine starting and performance. Typically replaced when there are fuel pressure issues, hard starting, or during fuel system overhauls. This aftermarket part by PAI Industries replaces Caterpillar OEM numbers 156-5783, 238-0296, 271-6636, and 281-2725.
Part Number: 380170
CAT FUEL CHECK VALVE 2812725
Vendor: PAI Industries
Dealer: KP Services Crossville
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