The name plate, code 178954, is an identification component that provides essential technical and traceability information for the MAN L21/31 engine. Typically displaying details such as model designation, serial number, manufacturing data, and regulatory markings, it enables accurate identification throughout the engine’s lifecycle. Designed for durability and resistance to environmental influences such as heat, moisture, and mechanical wear, the name plate ensures long-term legibility even in harsh operating conditions. By supporting documentation, maintenance tracking, and compliance requirements, it plays an important role in asset management, operational transparency, and reliable service support.