DNJ
DNJ 1980 GMC K2500 5.7L Expansion Plug
DNJ 1980 GMC K2500 5.7L Expansion Plug
Part number: FPS3101_878
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- Free fitment check before you order
Listed for: GMC K2500 5.7LFitment notes & questions
DNJ 1980 GMC K2500 5.7L Expansion Plug, listed for 1980 GMC K2500 5 with the 5.7L engine. Thread type and size must match on both sides; AN, NPT and metric threads do not mix.
Quick facts
- Brand: DNJ
- Part type: Fitting
- Listed for: 1980 GMC K2500 5
- Engine: 5.7L
- Engine code: 16V OHV
- Part number: FPS3101_878
Listed fitment
- [1962-2002] GM / V6, V8 / 3.8L, 4.6L, 4.9L, 5.0L, 5.3L, 5.7L / 229, 283, 302, 305, 307, 327, 350 OHV 12V, 16V [(CHEVROLET, LT1, VORTEC)]
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 GMC K2500 5.7L
Quality hardware prevents leaks that are hard to chase down later.
Fitment notes
- Listed for: GMC K2500 5.7L.
- 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: GMC Parts · Fuel & air intake
Questions about GMC K2500 5.7L fitting or hardware
Will this fit my GMC K2500 5.7L?
Does it need thread sealant?
Where do specs and warranty details come from?
Questions & answers
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