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Honda Civic Engine Replacement in Phoenix

More engine requests come in for the Civic than anything else, and more of them arrive without enough information to answer.

More engine requests come in for the Civic than for anything else, and more of them arrive without enough information to answer. That is not the buyer’s fault. The Civic has been sold continuously for decades in trims that share a body and not an engine, and nothing about the car tells you which one you have without looking.

The split that causes the most trouble is Si versus everything else. In the eighth generation, a 2008 Civic is an R18A1 if it is an LX or an EX and a K20Z3 if it is an Si. Those are different engine families: different displacement, different valvetrain, different transmission. An order placed on "2008 Honda Civic" alone cannot be filled correctly, and if it is filled anyway, it is filled by guessing.

The seventh generation has a quieter version of the same problem. The D17A1 and D17A2 differ by VTEC, which follows the trim rather than the year, and the two are not interchangeable without addressing the engine management.

What to establish before you ask anyone for a price

Two facts settle almost every Civic engine order: the generation and whether the car is an Si. Get those and a supplier can narrow to a specific variant. Without them, any quote you receive has assumed one of them.

If the car has been modified (and Civics are modified more than most) the badge and the paperwork can both be wrong. The stamped code on the block is the only thing that settles it, and it takes a torch and two minutes.

Honda Civic engines by generation

Three generations, four engine families, and a trim split that decides which one you need. The table records what left the factory.

Honda Civic engine codes by generation, model years and trim
GenerationYearsTrimEngine
Seventh generation2001–2005DX / LXD17A1Non-VTEC.
EXD17A2VTEC.
Si (EP3 hatchback)K20A3
Eighth generation2006–2011DX / LX / EXR18A1
SiK20Z3
Ninth generation2012–2015LX / EXR18Z1
SiK24Z7

Where Honda Civic orders go wrong

  • Si and non-Si use different engine families in the seventh, eighth and ninth generations. The trim is not optional information.
  • In the seventh generation, VTEC and non-VTEC D17 variants follow the trim, not the model year.
  • Civics are modified more than most cars, so the engine currently in the car is not always the one it was built with. The stamped code settles it.
  • Transmission type affects more than the transmission on several of these applications.

None of this needs to be worked out on your own. The Engine Finder asks for the year, model and trim and does the identification from there. The engine code field is optional precisely because most people do not have it.

Check availability for your Honda Civic

Year, trim and ZIP is enough to start. If you have the VIN it removes the guesswork entirely.

Step 1 of 3 · Vehicle33%

Step 1 of 3: Vehicle

Which vehicle is the engine for?

Year, make and model get us most of the way. Trim matters more than people expect. A 2008 Civic is a different engine depending on whether it is an Si.

LX, EX, Si, Type-S, V6. Whatever is on the badge.

Know your engine code? Add it here.

If you do not, leave these blank. That is genuinely fine. Working out which engine a vehicle takes is the part we do. Here is where the code is stamped if you want to look.

The single most useful thing you can give us. 17 characters.

We do not confirm that an engine fits your vehicle until it has been checked against it.

Common questions

What engine is in my Honda Civic?

It depends on the model year and the trim together. A 2001–2005 Civic has a D17; a 2006–2011 has an R18A1 unless it is an Si, which has a K20Z3; a 2012–2015 has an R18Z1 unless it is an Si, which has a K24Z7. The stamped code on the engine is the only way to be certain, particularly on a car that may have been modified.

Why does the trim matter so much on a Civic?

Because Si and non-Si Civics of the same model year use different engine families, not different tunes of the same engine. Ordering on year alone gives a supplier a fifty-fifty choice on some model years, and an engine that arrives from the wrong side of that split cannot be made to fit by adapting parts.

Find the right engine for your vehicle

Tell us the year, model and trim. We identify the engine your vehicle takes and come back with current availability and pricing.

Find My Engine