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EJ251 vs EJ253

blitz
in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX

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In the filter application guide at Pep Boyz I noticed that (excluding turbo) all Legacy-based 2.5 are EJ253, whereas all Impreza/ Forester-based 2.5 are EJ251.

 

What's the difference?

One type of engine is in all Legacy and the other is in all Imprezas and Foresters. The only thing that I can think of might be the engine wiring harness, I know there is a difference between the Legacys and Imprezas. I can't imagine that there would be a difference in any filters.

  • Author

Thanks Corky.

 

That's pretty much all I could think of as well ...stuff like attachment points & brackets.

 

It still doesn't make sense to me as to why that alone would warrant a different engine code tho.

 

Oh well...

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