The Sulzer ZV40/48 engine is renowned for its robustness and efficiency in marine and industrial applications. An essential component within this engine is the flange, identified as K 28029, which plays a pivotal role in the assembly of the main rocker arm, K 28005. The main rocker arm is integral to the engine's valve operation, ensuring precise control of the intake and exhaust valves for optimal performance. The flange facilitates a secure connection, maintaining alignment and stability within the rocker arm assembly. This precise engineering ensures the efficient transfer of motion, contributing to the engine's reliability and longevity. Regular inspection and maintenance of these components are crucial for sustaining the high performance of the Sulzer ZV40/48 engine.