GM E78 Engine Control Module – VIN Programmed

Explore our curated collection of GM E78 Engine Control Modules (ECMs), expertly VIN programmed for plug-and-play installation in 2010-2021 General Motors vehicles. Designed for small turbo I4 and flex-fuel V8 engines, the E78 ECM powers models like the Chevrolet Cruze, Silverado 2500HD/3500HD, Express 2500/3500; GMC Sierra 2500HD/3500HD; Buick Encore; and Cadillac models with 1.4L turbo or 6.0L engines.

Key Features and Benefits

  • VIN Programming: Customized to your vehicle’s VIN for immediate compatibility, optimal performance, and no dealership visits required.
  • Enhanced Reliability: Controls critical functions like fuel injection, ignition timing, and emissions for smoother operation, better fuel efficiency, and reduced diagnostics issues.
  • Quality Assurance: Built to OEM standards with warranties, ensuring durability in high-performance or daily driving scenarios.
  • Compatibility: Ideal for engine swaps, repairs, or upgrades in supercharged or naturally aspirated setups.

Whether you’re repairing a compact sedan or upgrading a heavy-duty truck, our E78 modules deliver dependable results. Shop now for fast shipping and expert support at Highway 71 Auto Parts—your trusted source for programmed auto electronics. Search by part number or vehicle for the perfect fit.

  • 2011 SILVERADO 2500 PICKUP Engine Computer 12616532 Programmed To Your VIN
  • 2011 Silverado 6.0L Engine Computer 12642100 Programmed To Your VIN PCM ECM ECU
  • A programmed 2011 Silverado 3500 engine computer, part number 12642100, ready for installation.
  • 2012 - 2016 SIERRA 2500 PICKUP Engine Computer 12668991 Programmed To Your VIN
  • 2012 - 2016 SIERRA 3500 PICKUP Engine Computer 12668866 Programmed To Your VIN
  • Programmed 12656958 ECM for 2011 Chevy Cruze and GMC Sierra, showing the main connectors.
  • Programmed 2011 Silverado 2500 ECM with part number 12616532, shown on a clean background.
  • Programmed 2011 Sierra 3500 ECM, part number 12656958, ready for installation.
  • Programmed 12656958 Engine Computer for a 2011 GMC Sierra 2500 with 6.0L engine.
  • Programmed 12656958 Engine Control Module for a 2011 Sierra 3500 6.0L, showing the main connectors.
  • Programmed 2011 Sierra 2500 ECM, part number 12656958, ready for installation on a workbench.
  • Pre-programmed 2011 Silverado 3500 ECM, part number 12656958, ready for installation.
  • Pre-programmed 2011 Silverado 2500 ECM with part number 12656958, ready for installation.
  • Front view of the 2011 Cruze ECM 12642100 Engine Control Module with connectors visible.
  • Front view of the 2011 Sierra 3500 engine computer, part number 12642100, showing the main connectors.
  • Programmed 2011 Sierra 2500 ECM 12642100 engine computer module ready for installation.
  • VIN-Programmed 2011 Sierra Silverado 6.0L ECM 12642100, showing the main connectors and part number label.
  • Programmed 2011 Sierra 2500 6.0L ECM 12642100 with connectors visible.
  • 2011 Silverado 3500 ECM Engine Computer part number 12642100, front view showing the main electrical connectors.
  • A close-up of the 2011 Silverado 2500 6.0L ECM, part number 12642100, showing the connectors.

Search…

Search by Vehicle

🚗 My Garage
Scroll to Top