BAE Systems 6437558-01M1 Drive Housing BPMTU Guard

BAE Systems 6437558-01M1 BPMTU Guard is a polyurethane drive housing guard for the Humvee HMMWV family. It is cataloged under NSN 5340-01-563-5088 as GUARD, DRIVE HOUSING BPMTU POLYURETANE, identifying its role as a protective enclosure for the drive housing BPMTU. The part is produced by BAE Systems Land & Armaments L.P. (CAGE 54786) and is associated with the end item Truck, Utility, High Mobility Multi-Purpose Wheeled Vehicle (HMMWV), M1151A1. The 6437558-01M1 designation specifies this exact BPMTU drive housing guard intended to fit the Humvee’s BPMTU drive housing assembly, and it is manufactured from polyurethane plastic to provide a durable, molded protective cover as part of the vehicle’s protective systems. This part number is used within military supply chains to maintain drive-housing integrity across HMMWV variants, ensuring compatibility with the BPMTU configuration and the M1151A1 platform.