Replace your stock 1979-93 Mustang water pump with a performance high flow water pump and improve the water flow through the radiator and engine for better cooling. Producing up to 35% better flow than the stock water pump, these high flow Ford Mustang water pumps are a direct replacement for the stock unit on your fox body Mustang. Standard and reverse rotation Ford Mustang water pumps are available for most 1979-93 applications.