DNJ
DNJ Intake Valve 1989-1994 Mazda 2.6L
DNJ Intake Valve 1989-1994 Mazda 2.6L
Part number: IV450
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Listed for: 1989–1994 MazdaFitment notes & questions
Intake Valve from DNJ, listed for 1989–1994 Mazda 2 with the 2.6L 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: 1989–1994 Mazda 2
- Engine: 2.6L
- Engine code: 8V SOHC
- Part number: IV450
Listed fitment
- [1989-1994] MAZDA [Nitride Coated; 1 Groove; 33.3mm Head Dia.; 7mm Stem Dia.; 112.6mm O.A.L.] / L4 / 2.6L SOHC 8+4V [(G6)]
Good to know
- Notes: G6, Nitride Coated; 1 Groove; 33.3mm Head Dia.; 7mm Stem Dia.; 112.6mm 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 Mazda: 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: 1989–1994 Mazda.
- Model years: 1989–1994. Parts can change mid-generation, so match the exact year.
- 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: Mazda Intake Valves · Mazda Parts · All Intake Valves · Engine
Questions about Mazda engine valves
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