This is a brand new unused battery cooler made by FoMoCo (Ford Motor Company), it is the cooler for section 10D672A (Highlighted Green on the diagram, the front most battery pack set). FoMoCo Part Number: LJ98-10C769-CA. Ford original Part Number: LJ9Z10D672P. Ford Superseded part number from original Part Number: LJ9Z10D672BC. This should fit all sub models of the Mach-E including the GT model.
Please check the part number and cross reference for fitment and functionality per use case as well as reviewing the photos before making your purchase, thank you!