AISIN is one of Japan's largest OEM automotive suppliers and a core member of the Toyota Group, trusted for original-equipment quality across millions of vehicles. The range covers water pumps, timing belt kits, thermostats, clutch kits, wheel cylinders, CV components and automatic transmission parts engineered to factory specification. Whether rebuilding a cooling system or refreshing a drivetrain, AISIN delivers genuine-grade reliability. Ideal for Toyota, Lexus, Subaru, Mazda and other Japanese platforms. Black Hawk Japan stocks the full AISIN range, sourced direct from Japan.