The Department of Homeland Security, specifically the U.S. Coast Guard, is seeking qualified small businesses to provide Hot Oil Flush services for the propulsion engines of the USCGC ACTIVE, a 210’ Medium Endurance Cutter. This procurement aims to eliminate contamination from the engine lube oil system following a center section overhaul and prior to the initial engine start, ensuring the proper functioning of critical engine components such as the engine sump and lube oil cooler. The contractor will be responsible for disassembling and reassembling parts of the engine, cleaning full flow relief valves, and supplying all necessary tools, equipment, and qualified personnel with expertise in ALCO 251-B, 251-CE, and 251-F series engines. Proposals must be submitted by April 24, 2025, with a performance period from August 25 to September 5, 2025, and interested parties should contact Joshua Miller at joshua.n.miller@uscg.mil for further details.