DNJ
DNJ 1988 Ford F-350 7.3L Expansion Plug
DNJ 1988 Ford F-350 7.3L Expansion Plug
Part number: FPS4286_6
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- Free fitment check before you order
Listed for: Ford F-350 7.3LFitment notes & questions
DNJ 1988 Ford F-350 7.3L Expansion Plug, listed for 1988 Ford F-350 7 with the 7.3L engine. Quality hardware prevents leaks that are hard to chase down later.
Quick facts
- Brand: DNJ
- Part type: Fitting
- Listed for: 1988 Ford F-350 7
- Engine: 7.3L
- Engine code: VIN M International 16V OHV DIESEL
- Part number: FPS4286_6
Good to know
- Notes: Brass
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Confirm thread type and size on both sides, and use the right sealant or none as the fitting type requires.

About this fitting for the Ford F-350 7.3L
Quality hardware prevents leaks that are hard to chase down later.
Fitment notes
- Listed for: Ford F-350 7.3L.
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentParts that usually go with it
- Hose. Match hose size to the fitting.
More for your car: Ford Parts · Fuel & air intake
Questions about Ford F-350 7.3L fitting or hardware
Will this fit my Ford F-350 7.3L?
Does it need thread sealant?
Where do specs and warranty details come from?
Questions & answers
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