For that price the dealer is selling a rebuilt water pump. Do you want a rebuilt pump (even with a warranty) or a new pump (I opt for the new pump)? I have no info about NAPA water pumps, but I buy parts/tools from them from time to time.

Good Luck!
Tom

__________________
America: Land of the Free!

1977 300D: 300,000+ miles

American Honda: Factory Trained Technician & Honor Grad.
Formerly:
Shop Foreman;
Technical Advisor to Am. Honda;
Supervisor of Maintenance largest tree care co. in US for offices in Tex.