The Department of Defense, through the Defense Logistics Agency (DLA) Land Warren, is seeking sources for the procurement of diesel engines, specifically identified by NSN 2815-01-461-7078, for use in the A2 Series High Mobility Multipurpose Wheeled Vehicle (HMMWV). The procurement includes a minimum quantity of 69 engines, with an estimated total requirement of 1,035 engines over a three-year period. These diesel engines are critical components that provide the necessary power for vehicle mobility, emphasizing their importance in military operations. Interested parties must contact Stephen Granch at Stephen.Granch@dla.mil or (385) 591-0902 for further details, noting that qualification testing and evaluation are required to become an approved source, and that this notice is not an open solicitation.