GM E86 Engine Control Module – VIN Programmed

Explore our curated collection of GM E86 Engine Control Modules (ECMs), expertly VIN programmed for plug-and-play installation in 2011-2016 General Motors vehicles. Designed for Duramax Diesel LML engines, the E86 ECM powers models like the Chevrolet Silverado 2500HD/3500HD, Express; GMC Sierra 2500HD/3500HD, Savana with 6.6L 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 heavy-duty GM truck or upgrading a diesel van, our E86 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.

  • 13-14 EXPRESS 2500 6.6L Engine Computer 12654088 Programmed To Your VIN ECM
  • Side view of a programmed 2013-2014 GM 6.6L Duramax ECM, part number 12654088, ready for installation in a Silverado or Savana.
  • Side view of the 12654088 ECM for a 6.6L Duramax engine, showing the main connectors.
  • Programmed 2013-2014 Silverado 2500 ECM for 6.6L Duramax engine, showing connectors and part number 12654088.
  • Programmed 12654088 ECM for a 2013-2014 GM 6.6L Duramax engine, showing the main connector ports.
  • Programmed 2013-2014 Duramax ECM 12654088 for GM Sierra and Silverado trucks.
  • Front view of the programmed 12654088 ECM for 2013-2014 GM 6.6L Duramax engines, showing the main connectors.
  • Front view of the 6.6L Duramax ECM 12654088 showing the main connectors for a 2013-2014 Sierra or Silverado.
  • Programmed 12654088 Duramax ECM for 2013-2014 GM 6.6L diesel trucks, showing the main connector ports.

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