Regarding 1995-1998 EJ22's and DOHC EJ25's:

 

EJ22 and DOHC EJ25 timing idler pulleys are the same?

 

The tensioners are the same if they're either the old or new style tensioner?

 

EJ22 and EJ25 water pumps are the same?

Regarding 1995-1998 EJ22's and DOHC EJ25's:

 

EJ22 and DOHC EJ25 timing idler pulleys are the same?

 

The tensioners are the same if they're either the old or new style tensioner?

 

EJ22 and EJ25 water pumps are the same?

 

yes.

yes.

and yes.

Beat me to it. What he said^^^

Nice.

 

Cam seals are the same too?

 

Crank seals?

 

Oil pump orings had a change, not sure if it matters though.

cam and crank are the same as well.

 

Spark plugs heat range is slightly different.