The Department of Homeland Security, specifically the U.S. Coast Guard, is seeking qualified contractors to provide aftercooler service for the Main Diesel Engine (MDE) of the USCGC WILLOW, which has reached 4000 operating hours. The contractor will be responsible for cleaning and servicing the MDE aftercoolers in accordance with OEM specifications, ensuring proper operation, and delivering the serviced units to the cutter's home port in North Charleston, South Carolina, within a 14-day performance period. This procurement underscores the importance of maintaining operational readiness for Coast Guard assets, with all work to be conducted during standard hours, supplemented by daily progress meetings with the Engineering Officer. Interested vendors must submit their quotes by 8:00 AM Pacific Time on January 27, 2025, to the primary contact, Donna O'Neal, at Donna.J.O'Neal@uscg.mil, and ensure compliance with wage determinations under the Service Contract Act.