DNJ
DNJ 1978 GMC C35 4.1L Intake Valve
DNJ 1978 GMC C35 4.1L Intake Valve
Part number: IV3125B_685
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- Free fitment check before you order
Listed for: GMC C35 4.1LFitment notes & questions
1978 GMC C35 4.1L Intake Valve from DNJ, listed for 1978 GMC C35 with the 4.1L engine. Burned or bent valves cause misfires and low compression. Guides that wear let valves wobble and burn oil.
Quick facts
- Brand: DNJ
- Part type: Valve
- Listed for: 1978 GMC C35
- Engine: 4.1L
- Engine code: U/K 12V OHV
- Part number: IV3125B_685
Listed fitment
- [1963-1995] GM [Nitride Coated; 2 Groove; 43.8mm Head Dia.; 8.7mm Stem Dia.; 124.6mm O.A.L.] / L6, V8 / 4.1L, 4.8L, 5.7L, 6.6L / 250, 292, 350, 400 OHV 12V, 16V [(CHEVROLET)]
Good to know
- Notes: Nitride Coated; 2 Groove; 43.8mm Head Dia.; 8.7mm Stem Dia.; 124.6mm O.A.L.; Intake
- 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 C35 4.1L: 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 C35 4.1L.
- 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
- 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 C35 4.1L engine valves
Will this fit my GMC C35 4.1L?
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Where do specs and warranty details come from?
Questions & answers
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