How much to replace water pump on Toyota 4 Runner?

I'm wanting to know how much it would cost to have the water pump replaced by a mechanic. I for 1, don't know how to do it, and 1, don't have the time to do it. So with labor and everything, want to know how bad it's going to hurt the wallet. I would also like to know your sources of how you are getting your information.How much to replace water pump on Toyota 4 Runner?Call Auto Zone, it runs about one hundred dollars. But changing it is another story. Most foreign vehicles have the water pump located under the engine. For parts and labor about five hundred dollars.