Genuine Mazda FC (S4)  Water Pump with Billet Impeller
 
Includes a brand new Genuine Mazda water pump
Upgraded with a CNC-machined billet impeller from 6061-T6 aircraft-grade aluminium
Black anodised finish for enhanced durability
 
Compatible with:
 
Series 5 FC   Mazda RX-7 FC S4 water pump housings
 
This high-performance impeller upgrade is engineered to eliminate cavitation, improve cooling efficiency, and increase flow rate — all while helping free up horsepower at higher RPMs. The optimized blade geometry and tightened impeller-to-housing tolerances provide superior water pump performance compared to OEM.Recommended for:High-revving engines and setups prone to elevated coolant temperatures.