Genuine OEM Volkswagen Engine Control Unit, part number 06A906033PB. This unit controls the engine's fuel injection, ignition timing, and other critical functions for optimal performance and efficiency. It is a vital component for managing combustion and emissions. Dimensions: 0.18m x 0.15m x 0.04m. Genuine OEM engine control units are precisely calibrated to ensure correct engine operation, fuel economy, and emissions compliance.