Genuine Mazda 6 Waterpump Belt V6 early 2004. This waterpump belt fits Mazda 6 built before 11/10/04. If your Mazda 6 was built after 11/10/04 see part# AJ58-15-908.Unsure of build date? Please state your VIN at checkout. Check your belts and hoses every 15,000 mile. Use only genuine factory Mazda parts and accessories.