The U.S. Embassy in Mexico City’s Facility Management Office seeks a vendor to supply brand-new Original Equipment Manufacturer spare parts for Air Handler Units and HVAC systems at the New Embassy Compound. All parts must match the brand and model of the existing equipment to ensure compatibility, safety, and warranty preservation, with no substitutions accepted. Offerors must be registered and active in SAM at the time of proposal submission to be considered responsive. Performance will occur at the U.S. Embassy in Mexico City.