The U.S. Embassy in Mexico City requires OEM spare parts for fuel management systems at the New Embassy Compound to support preventive maintenance and operational reliability. All items must be brand new, OEM parts matching specific part numbers and models, with no substitutions accepted. Offerors must be registered in SAM.gov at the time of proposal submission to be considered responsive. The solicitation is not yet issued but will be launched on SAM.gov when available. The location for performance is the New Embassy Compound in Mexico City.