DNJ
DNJ 1990 Buick Century 2.5L Intake Valve
DNJ 1990 Buick Century 2.5L Intake Valve
Part number: IV337_1
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Listed for: Buick Century 2.5LFitment notes & questions
1990 Buick Century 2.5L Intake Valve by DNJ for 1990 Buick Century with the 2.5L engine. Intake valves let the air and fuel mixture into the cylinder; exhaust valves let the burned gases out.
Quick facts
- Brand: DNJ
- Part type: Valve
- Listed for: 1990 Buick Century
- Engine: 2.5L
- Engine code: VIN R 8V OHV
- Part number: IV337_1
Listed fitment
- [1990-1993] GM [Nitride Coated; 1 Groove; 43.7mm Head Dia.; 7.96mm Stem Dia.; 116.6mm O.A.L.] / L4 / 2.5L / 151 OHV 8V
Good to know
- Notes: Nitride Coated; 1 Groove; 43.7mm Head Dia.; 7.96mm Stem Dia.; 116.6mm 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 Buick Century 2.5L: 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: Buick Century 2.5L.
- 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: Buick Intake Valves · Buick Parts · All Intake Valves · Engine
Questions about Buick Century 2.5L engine valves
Will this fit my Buick Century 2.5L?
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Where do specs and warranty details come from?
Questions & answers
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