DNJ
DNJ Exhaust Valve 1970-1995 AM General, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac 4.8L-6.6L
DNJ Exhaust Valve 1970-1995 AM General, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac 4.8L-6.6L
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$13.99 USD
Regular price
$21.19 USD
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$13.99 USD
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- Free fitment check before you order
Listed for: Chevrolet GMC OldsmobileFitment notes & questions
Exhaust Valve by DNJ for 1970–1995 Buick, Cadillac, Chevrolet, GMC, Oldsmobile and Pontiac with the 4.8L 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: 1970–1995 Buick, Cadillac, Chevrolet, GMC, Oldsmobile and Pontiac
- Engine: 4.8L
- Engine code: Chevrolet 16V OHV
- Part number: EV3125B
Listed fitment
- [1970-1996] GM [Nitride Coated; 2 Groove; 38.1mm Head Dia., 9.4mm Stem Dia., 125mm O.A.L.] / L6, V8 / 4.8L, 5.0L, 5.7L, 6.6L / 292, 305, 350, 400 OHV 12V, 16V [(CHEVROLET)]
Good to know
- Notes: Nitride Coated; 2 Groove; 38.1mm Head Dia., 9.4mm Stem Dia., 125mm O.A.L.; Exhaust, [ 9.4mm Stem; 38.1mm Head]
- 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 Chevrolet GMC Oldsmobile: 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: Chevrolet GMC Oldsmobile.
- 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? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
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: Cadillac Exhaust Valves · Chevrolet Parts · All Intake Valves · Engine
Questions about Chevrolet GMC Oldsmobile engine valves
Will this fit my Chevrolet GMC Oldsmobile?
It is listed for the Chevrolet GMC Oldsmobile. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
How do I know a valve is bad?
A compression or leak-down test shows whether a cylinder is losing pressure past a valve.
Where do specs and warranty details come from?
From DNJ. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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