This is a market research notice for the overhaul of a Radiator, Gearbox (Part Number 70361-03004-103) to inform a potential future procurement. The resulting contract would be a 5-year, firm fixed-price agreement with estimated quantities between 132 and 450 units. Performance requires the use of specific test equipment, and contractors must be able to deliver the overhauled item. This is not a solicitation; it is an information-gathering step that may lead to a full and open competitive procurement at a later date. Capabilities statements from interested parties are due via email within 15 days of the notice's posting.