GMC

16172693

16172693 GM 93 remanufactured ECM ECU

ECM Wiring

An engine control unit (ECU), now called the powertrain control module (PCM), is a type of electronic control unit that controls a series ofactuators on an internal combustion engine to ensure optimal engine performance.

ACDelco 15-72885 Control Assembly
ACDelco 20938122 Original Equipment Sensor
Mix me 130