DNJ
DNJ Cylinder Head Gasket Set 2003 Mazda 3.0L
DNJ Cylinder Head Gasket Set 2003 Mazda 3.0L
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Mazda 3.0LFitment notes & questions
DNJ Cylinder Head Gasket Set, listed for 2003 Mazda 3 with the 3.0L engine. The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.
Quick facts
- Brand: DNJ
- Part type: Head gasket
- Listed for: 2003 Mazda 3
- Engine: 3.0L
- Engine code: Duratec 24V DOHC
- Part number: HGS437
Listed fitment
- [2003-2008] MAZDA / V6 / 3.0L / 181 DOHC 24V [(DURATEC)]
Good to know
- Notes: Premium Sealing Solution; Valve Grind Set
- 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: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.
Before you order: Mazda 3.0L head gasket fitment
The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.
Fitment notes
- Listed for: Mazda 3.0L.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- 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 fitmentPlan the whole job
- Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
- Coolant. Refill with the coolant type your engine calls for.
- Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.
More for your car: Mazda Parts · All Head Gaskets · Engine