Genuine OEM Volkswagen Control Unit For Diesel Engine, part number 04L906056CL. This control unit manages diesel engine functions. It is a critical component for the engine's operation. The unit weighs approximately 0.92 kg and has dimensions of 0.205m x 0.185m x 0.04m. Genuine OEM control units are essential for ensuring correct firmware, sensor calibration, and signal characteristics for reliable engine management.