The TCM2100AC is a used Transmission Control Modulator made of aluminum, with a pin terminal type and a mid-vehicle placement. It has been tested and is in working condition. The TCM is easy to install and comes complete with the latest update. The product includes the manufacturer part number TCM2100AC and alternate part numbers TCM2100AB and TCM-2100-AC. The TCM is an OE/OEM part number TCM-2100AC and is 4 inches in height. The product is made in the United States.