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Mazda R2-A Cylinder head assembly ex valve 17.5 (24mm injector)

Mazda R2-A Cylinder head assembly ex valve 17.5 (24mm injector) 171112

171112 https://www.acmeimpex.com.au/web/image/product.template/14618/image_1920?unique=ce2e9cf
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The Mazda R2 A Cylinder Head Assembly 171112 fits the R2 diesel engine and comes set up with exhaust valves sized to the 17.5 and 24 mm injector layout. It sits in place without extra adjustment, so most workshops get straight to assembly. If the old head is cracked, warped, or losing compression, this one gives you a clean base to work with. Many technicians like that the seating surfaces come prepared, so the engine settles quickly after installation. It suits daily-use vans and pickups where stable running matters.

$ 975.00 975.0 AUD $ 975.00

$USD 984.00

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The Mazda R2 A Cylinder Head Assembly 171112 is built for the R2 diesel engine used in many light-commercial models. It fits the original setup, and the exhaust valves match the 17.5 / 24 mm injector pattern. Most workshops pick this type when the old head suffers from overheating, cracks around the chambers, or uneven compression. You get a fresh casting that sits square on the block, which helps the engine start cleaner and run more steadily.

Another thing worth noting is the injector seating. It lines up the way it should, so there’s no struggle with alignment during installation. Mechanics working on R2 engines often comment that a correct injector angle saves them a lot of adjustment time.

If you have an engine that smokes under load or drops power on hills, a worn cylinder head is usually the reason. This replacement assembly helps bring back proper combustion. You’ll notice smoother idling once everything settles.

Points that matter in daily workshop use:

  • Fits the Mazda R2 A diesel engine platform
  • Exhaust valves are already matched to the 17.5 / 24 mm injector setup
  • Seats well on the block without unusual prep work
  • Helps fix compression loss and overheating-related head issues
  • Suitable for routine rebuilds, fleet service, and high-kilometre engines

In most cases, garages prefer a head like this because it supports straightforward assembly and predictable results. It works well for both single-vehicle repairs and larger maintenance jobs.

Acme Impex inspects each casting before dispatch, checking seating surfaces and alignment points. This gives workshops a clean starting point, making the whole rebuild process smoother.

If you’re looking for a cylinder head that fits the Mazda R2 A engine without unnecessary complications, this assembly is a practical choice. It supports a stable rebuild, and once installed correctly, the engine settles into consistent running again.