12636355 AALT 2010 General Motors Engine Computer Module Computer ECU ECM. Good used ECU came out of a 2010 buick lacrosse with front end, collision. It had 134K miles. Please view pictures for description and condition. ECU needs to be programmed to your specific vehicle before installation please advise what your local dealership or local mechanic before purchasing. please match part number with your old unit to ensure it’s a match for your make an model of your vehicle, if not sure please check with your local Dealership or personal mechanic, we will not be responsible if you order wrong.
