Mazda Competition has an aluminum water pump that shaves a few
pounds off the stock, cast iron unit.  This aluminum water
pump does not increase peformance, and it's sole design is to
There are no other aftermarket water pump upgrade that we are
aware of that will drop into an FC3S without considerable
modification.  If you come across such an option, please
drop us a note!
Questions?  Comments?  Send email to: