Idle Speed Control Solenoid Valve
Suzuki part # 18177 - 60B10
AC Delco part # 217 - 1275 / 96060169
Suzuki is the OEM for this part.
The Geo Metro was Manufactured By Suzuki in Hamamatsu, Japan and sold thru Suzuki dealers in the U.S.A. as the Swift and at GM dealers as the Geo Metro.