Mazda MX-5 Cylinder Head Replacement Parts
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A buyer's guide to used Mazda MX-5 cylinder head
No two cylinder heads are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
- State whether it's petrol or diesel
- State the engine code if known
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Used cylinder head for other Mazda models
Fitment questions
Will a cylinder head from a 2003 MX-5 fit my 2006 MX-5?
Both years fall within the NB generation (1998–2005) and NC generation (2005–2015) respectively, meaning a 2003 head is NB and a 2006 head is NC — these are different generations with different engines, so they are not a straightforward swap. The engine code is the critical detail here: check your V5 or run a VIN check to confirm your exact code, and supply that to the breaker rather than relying on the year alone. Never assume fitment across a generation boundary without the breaker confirming compatibility against your registration.
Does a cylinder head from a 2009 MX-5 fit a 2013 MX-5?
Both years sit within the NC generation (2005–2015), so on the face of it the engine family is the same, but Mazda made running changes during this generation and the NC received a facelift in 2009. Whether a head from early in the NC range crosses that facelift boundary cleanly is something you should confirm with the breaker against your specific registration and engine code, as ancillary and mounting details can vary mid-production. Give the breaker your engine code from the V5 for the most reliable answer.
Does the trim level — Sport, SE, or Icon — affect which cylinder head I need?
No, trim level does not affect cylinder head fitment on the MX-5 — Sport, SE, and Icon are specification packages covering interior, alloys, and equipment rather than mechanical differences. What matters is your engine code, which you can find on your V5 or via a VIN check, and whether the engine is petrol (all mainstream MX-5s sold in the UK are petrol). Pass the engine code to the breaker and trim is irrelevant to their search.
Does a cylinder head from a 1.6 MX-5 fit a 1.8 MX-5?
No — the 1.6 and 1.8 are different engines with different cylinder heads, and they are not interchangeable even if the cars are from the same generation. Always confirm the exact engine code on your V5 before asking a breaker for a quote, as the displacement alone does not tell the full story. Supplying the engine code is the single most useful thing you can do to get an accurate match.
Will a cylinder head from an NA MX-5 (1989–1997) fit an NB MX-5 (1998–2005)?
The NA (1989–1997) and NB (1998–2005) generations share a close engineering relationship and some components do cross over, but whether a cylinder head specifically is interchangeable depends on the exact engine codes involved. Name the generation boundary to your breaker and give them both engine codes — one from the donor and one from your car — and let them confirm fitment rather than assuming shared heritage means a direct swap. Do not treat a cross-generation fit as guaranteed without that confirmation.
I have an ND MX-5 (2015–present) — can I use a cylinder head from an NC?
The ND generation launched in 2015 with a new 2.0-litre Skyactiv-G engine architecture that is entirely different from the NC's engine family, so an NC cylinder head will not fit an ND. For the ND, the engine code on your V5 is essential because the Skyactiv platform is generation-specific. Ask a breaker for an ND-sourced head and quote your engine code to make sure the correct part is supplied.