GM dealer or an auto salvage yard.
See *Passenger Compartment Air Filter* on page 171 of your "Owner's Manual", under Section 3: Instrument Panel - Climate Controls, for replacement.....
it is the "wall" that seperates the engine compartment from the cabin.
It is under the dash on the passenger's side.
The firewall (bulkhead) is thevertical piece of metal that separates the engine compartment from the passenger compartment.
My key Bork off in my trunk
It is under the hood on the passenger side firewall.
Heater. Core
it should be under the hood in the fuse box in the engine compartment or but the passenger door.
In the Upper Fuse Block, on the passenger side, in the engine compartment...
All Chevrolet Impala's have a chanin that requires no maintenance or replacement under normal conditions.
If you are looking for 1964 Chevrolet Impala SS replacement parts you should look at Auto Zone, O'Reilly Auto parts, Napa Auto Parts or Pep Boys. You can also contact your local Chevy dealer.
It is on the passenger side firewall down low.