Just curious why you would want to. Are you having trouble finding the diaphragm for the stock pump? I would imagine that stock is almost always better and you eliminate the need for electricity.

I believe Discount marine has the parts in their carb rebuild kit DI-20382.
http://www.discount-marine-parts.com/ob_chrysler_wizard.html
A quick call would verify it. Phone: 906-466-2180