Highway 71 Auto Parts

Quality Programmed Modules

Search…

Search by Vehicle

Home ยป Shop
  • Programmed 2018 Express 3500 ECM, part number 12704475, ready for installation.
    $279.95

    Programmed 2018 Express 3500 ECM | 12704475 | Plug & Drive Solution

  • Programmed 2016-2018 Sierra 1500 ECM module, part number 12686382, ready for installation.
    $279.95

    Programmed 2016-2018 Sierra 1500 ECM 12686382 | Plug & Drive Solution

  • A close-up of the Programmed 2018 Yukon ECM, part number 12704475, showing the main connectors.
    $279.95

    Programmed 2018 Yukon ECM | VIN-Matched | 12704475 Engine Computer

  • Programmed Engine Control Module (ECM) for 2017-2018 GMC Sierra Denali 1500, part number 12686382.
    $279.95

    Programmed 2017-2018 Sierra Denali 1500 ECM | 12686382 | Plug & Drive

  • Programmed 2018 GMC Yukon XL 1500 ECM, part number 12704475, showing the main connectors and housing.
    $279.95

    Programmed 2018 GMC Yukon XL 1500 ECM | 12704475 | Direct Replacement

  • Programmed Engine Control Module (ECM) for 2016-2018 Sierra 1500, showing connectors and part number 12674472.
    $279.95

    Programmed 2016-2018 Sierra 1500 ECM 12674472 | Engine Computer

  • A side view of the Programmed 12704475 ECM for 2018-2019 GM vehicles, showing the main electrical connectors.
    $279.95

    Programmed 12704475 ECM | Restore Your GM Vehicle’s Performance | VIN-Matched

  • Programmed 2018 Suburban 1500 ECM Replacement module with connectors visible.
    $279.95

    Programmed 2018 Suburban 1500 ECM Replacement | 12704475

  • Programmed 2016-2018 Sierra 1500 ECM with part number 12674052 shown on a white background.
    $279.95

    Programmed 2016-2018 Sierra 1500 ECM 12674052 | VIN Matched

  • Programmed 2018 Tahoe ECM, part number 12704475, ready for installation.
    $279.95

    Programmed 2018 Tahoe ECM | 12704475 | Direct Fit Solution

  • Programmed Engine Control Module (ECM) for a 2017-2018 GMC Sierra Denali 1500.
    $279.95

    VIN Programmed 2017-2018 Sierra Denali 1500 ECM | 12674052

  • Programmed 2018 GM ECM 12704475 for Silverado, Corvette, and Savana models.
    $279.95

    Programmed 2018 GM ECM 12704475 | Get Your Vehicle Running Right

  • Programmed 12704475 ECM for 2018-2019 GM Corvette, Silverado, and Escalade models, showing connectors.
    $279.95

    Programmed 12704475 ECM | GM Engine Computer | Corvette, Silverado, Tahoe

  • Pre-programmed 12686383 ECM for 2018-2019 GM vehicles like Corvette and Silverado, ready for installation.
    $279.95

    Programmed 12686383 ECM | Fits Corvette, Silverado & More | VIN Flashed

  • Front view of the programmed GM 12680656 ECM, part number 12704475, showing the main connectors.
    $279.95

    Programmed GM 12680656 ECM | 12704475 | VIN Matched Engine Computer

  • Programmed trailer brake control module 20964299 for 2013-2014 GM Sierra and Silverado trucks, showing the main electrical connector.
    $244.95

    Programmed 2013-2014 GM Trailer Brake Control Module 20964299 | VIN Matched

  • 2013-2014 GM Trailer Brake Control Module 20964299, located on the driver side frame rail.
    $244.95

    Programmed 2013-2014 GM Trailer Brake Control Module 20964299 | Restore Towing Safety

  • Pre-programmed 2013-2014 Sierra Silverado Trailer Brake Control Module mounted on a clean white background.
    $244.95

    Pre-Programmed 2013-2014 Sierra Silverado Trailer Brake Control Module | 20964299

  • Programmed 20850923 trailer brake control module for 2013-2014 GM Sierra and Silverado trucks.
    $244.95

    2013-2014 GM HD Programmed 20850923 Trailer Brake Control Module

  • Pre-programmed 2013 Suburban 2500 Trailer Brake Control Module mounted on a clean white background.
    $244.95

    Programmed 2013 Suburban 2500 Trailer Brake Control Module | 20850923

Search…

Search by Vehicle

Scroll to Top