Shop OEM General Motors Part # 12731719. Engine Control Module (ECM). 5.3 & 6.2 LITER, labeled 12731719. Silverado, Sierra; 5.3L; Labeled 12731719. Silverado, Sierra; 6.2L; Labeled

A module in a vehicle used to monitor and control many components of the vehicle's engine management system. ECC. Engine Control Computer. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. Powertrain Control Module.

Fits Sierra 1500, Silverado

5.3 & 6.2 LITER, labeled 12731719. Silverado, Sierra; 5.3L; Labeled 12731719. Silverado, Sierra; 6.2L; Labeled 12731719.