This is a brand-name sole-source solicitation for OEM Rolls-Royce fluid industrial coolers, used on U.S. Coast Guard cutters, requiring all-or-nothing quotes from vendors who can provide OEM parts. The contract will be a firm-fixed-price purchase order, with award made to the lowest price, technically acceptable offeror. Performance includes overhaul, testing, preservation, packaging, and delivery to Baltimore, MD (F.O.B. Destination), with all items due by July 24, 2026. No budget amount is specified, but pricing is based on a composite labor rate and material percentage for evaluation. Vendors must be registered in SAM.gov and submit quotes by June 12, 2026.