Recommended Fluid
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Mazda Protege5, 2003 Mazda Protege, 2002 Mazda Protege5, 2002 Mazda Protege, and 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
Use API SAE 75W/90 (all season) or SAE 80W/90 (above 10°C {50°F}) GL-4 or GL-5 oil.