DNJ
DNJ 1980 GMC G3500 5.7L Expansion Plug
DNJ 1980 GMC G3500 5.7L Expansion Plug
Part number: FPS3101_873
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: GMC G3500 5.7LFitment notes & questions
1980 GMC G3500 5.7L Expansion Plug by DNJ for 1980 GMC G3500 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 G3500 5
- Engine: 5.7L
- Engine code: 16V OHV
- Part number: FPS3101_873
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.

DNJ fitting or hardware for the GMC G3500 5.7L: what to know
Thread type and size must match on both sides; AN, NPT and metric threads do not mix.
Fitment notes
- Listed for: GMC G3500 5.7L.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Hose. Match hose size to the fitting.
More for your car: GMC Parts · Fuel & air intake
Questions about GMC G3500 5.7L fitting or hardware
Will this fit my GMC G3500 5.7L?
Does it need thread sealant?
Where do specs and warranty details come from?
Questions & answers
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