Does the costco im tumwater, wa sell car batteries?

In their tire store which is attached to their regular store

Yes, Interstate brand.

Yes, they do.

They even sell cars

Indeed they Do. I also believe they have marine batteries as well. Good day & Namaste

Yes they do, Rob has the best idea!

Yes, call the tire department to verify they have the one you need. They can search for your vehicle as well.

Yes