DNJ
DNJ 1989 GMC V3500 7.4L Intake Valve
DNJ 1989 GMC V3500 7.4L Intake Valve
Part number: IV3111_121
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Listed for: GMC V3500 7.4LFitment notes & questions
DNJ 1989 GMC V3500 7.4L Intake Valve, listed for 1989 GMC V3500 with the 7.4L engine. Valves are usually replaced during a cylinder head rebuild, along with guides, seals and a valve job.
Quick facts
- Brand: DNJ
- Part type: Valve
- Listed for: 1989 GMC V3500
- Engine: 7.4L
- Engine code: VIN S 16V OHV
- Part number: IV3111_121
Listed fitment
- [1980-2000] GM [Nitride Coated; 1 Groove; 52.5mm Head Dia.; 9.5mm Stem Dia.; 132.8mm O.A.L.] / V8 / 7.4L / 454 OHV 16V
Good to know
- Notes: Nitride Coated; 1 Groove; 52.5mm Head Dia.; 9.5mm Stem Dia.; 132.8mm O.A.L.; Intake, [2.065" Head Dia]
- 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: Have the valve seats cut or lapped so the new valves seal fully.

DNJ engine valves for the GMC V3500 7.4L: what to know
Burned or bent valves cause misfires and low compression. Guides that wear let valves wobble and burn oil.
Fitment notes
- Listed for: GMC V3500 7.4L.
- 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? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Valve stem seals. Always new with new valves.
- Head gasket. The head comes off for this job.
More for your car: GMC Intake Valves · GMC Parts · All Intake Valves · Engine
Questions about GMC V3500 7.4L engine valves
Will this fit my GMC V3500 7.4L?
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Where do specs and warranty details come from?
Questions & answers
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