Just a heads up since reading through a number of posts regarding heater cores it seems like a lot of guys have needed replacements.
I did a search and came up with the following discounted down to $33.59
The Spectra part number is 94662

http://www.carparts.com/details/Toyo...g&gclsrc=aw.ds

 

The Quality from Spectra can be hit or miss maybe they are just trying to get rid of them.

Since they are not selling