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 Partsโ€”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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