DNJ
DNJ Fuel Injection Plenum Gasket 1990-1995 Ford, Mazda 4.0L
DNJ Fuel Injection Plenum Gasket 1990-1995 Ford, Mazda 4.0L
Part number: MG422
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Listed for: 1990–1995 Ford and MazdaFitment notes & questions
Fuel Injection Plenum Gasket by DNJ for 1990–1995 Ford and Mazda with the 4.0L engine. Gaskets seal the joints between engine parts so oil, coolant and air stay where they belong.
Quick facts
- Brand: DNJ
- Part type: Gasket
- Listed for: 1990–1995 Ford and Mazda
- Engine: 4.0L
- Engine code: VIN X 12V OHV
- Part number: MG422
Listed fitment
- [1990-1996] FORD, MAZDA / V6 / 4.0L / 245 OHV 12V
Good to know
- 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: Clean both mating surfaces completely and follow the bolt torque and sequence for your engine.

DNJ gasket for the Ford and Mazda: what to know
An old gasket gets hard and shrinks with heat cycles, which is when leaks start. A new gasket restores the seal.
Fitment notes
- Listed for: 1990–1995 Ford and Mazda.
- Model years: 1990–1995. If your year sits at the edge of the range, check the details above.
- 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
- Sealant where called for. Some joints need a dab of sealant at corners or seams; others must go on dry.
- Bolts and grommets. Rubber grommets and old bolts are worth replacing if they are damaged.
More for your car: Mazda Parts · Ford Parts · Engine
Questions about Ford and Mazda gasket
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Questions & answers
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