ECU / control units

About ECU / control units

Find and browse ECU / Control Units on Buy & Sell Car Online, a global automotive marketplace connecting buyers with professional suppliers and private sellers offering critical electronic components for engine management and vehicle control systems. This category includes engine control units and related control modules used in passenger cars, SUVs, vans, and light commercial vehicles. ECUs process data from multiple sensors to manage fuel injection, ignition timing, turbocharging, emissions systems, and overall engine operation, ensuring efficient performance and reliable drivability. Typical listings cover engine ECUs, powertrain control modules, and model-specific control units designed for different engine types and emission standards. Selecting the correct ECU or control unit is essential for proper communication with vehicle systems and compatibility with immobilizers, transmission controls, and onboard diagnostics. Faulty or damaged control units can cause starting issues, warning lights, reduced performance, or engine malfunction. Buyers can review part numbers, software versions, and compatibility information to ensure accurate fitment. Compare offers and use filters by vehicle make and model to find suitable ECU and control units for replacement, repair, or system restoration needs.