It doesn't have one.
A 2008 Ram truck was not built with a cabin filter.
No.
It does not have a cabin filter.
I don't believe they had a cabin filter.
Does not have a filter for you to change.
It doesn't have one.
It does not have one.It does not have one.
It doesn't have one.
No.No.
A 2004 Dodge Ram truck was not built with a cabin air filter.
Purchase a Purolator cabin filter for your truck, it comes with complete instructions.
There isn't one. Dodge didn't build the truck with one.