The MAZDA RX-8 Shutter Valve Actuator is a genuine part manufactured by MAZDA/DENSO in Japan. It carries the interchange part number N3H613B70 and the manufacturer part number N3H6-13-B70. The OE/OEM part number is DENSO 012010-1020. This product is essential for controlling the air and fuel delivery in the MAZDA RX-8, ensuring optimal performance and efficiency.