Engine, yes
Cabin, pre 2010 - no, 2010 and later - depends on build options
A 1997 ram doesn't have a cabin air filter.
There isn't a cabin filter.
It was not built with one.
No.
It was not built with one.
are you sure it has one? only 1 in 5 vehicles has a cabin air filter.
It doesn't have one.
No.No.
A 2002 Ram was not built with a cabin filter.
No. A 1999 Ram does not have a cabin filter.
No.No.
On top of the engine block. You'll need to remove the inside engine cover