yes it should be on the passenger side under the dash.
A 2008 Ram truck was not built with a cabin filter.
It does not have a cabin filter.
It doesn't have a cabin filter.
The 98 models did not have a cabin air filter.
Does not have a filter for you to change.
No.
You can't because it does not have one
It does not have a cabin filter.
Purchase a Purolator Cabin Filter, it comes with complete instructions.
If the truck is equipped with a cabin filter, the filter may be plugged up with debris.
Purchase a Purolator cabin filter for your truck, it comes with complete instructions.
It doesn't have one.