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  • Front view of the 2004 Sierra 2500 PCM 12586242 engine computer, showing the main connectors.
    $119.95

    2004 Sierra 2500 PCM 12586242 | VIN Programmed Engine Computer

  • Front view of the 2004 Sierra 2500 PCM with part number 12586242, ready for VIN programming and installation.
    $119.95

    2004 Sierra 2500 PCM 12586242 | VIN Programmed Engine Control Module

  • A close-up of the 2004 Sierra 2500 PCM 12586242, showing the connectors and service label.
    $119.95

    Programmed 2004 Sierra 2500 PCM 12586242 | Direct Fit Engine Computer

  • Programmed 2004 GMC Sierra 2500 PCM with service number 12586242 visible.
    $119.95

    Programmed 2004 GMC Sierra 2500 PCM | 12586242 | Plug & Drive

  • 2004 Sierra 2500 PCM 12586242 Engine Computer Module, front view with connectors.
    $119.95

    Programmed 2004 Sierra 2500 PCM 12586242 | Plug & Play Replacement

  • Front view of the 2004 GMC Sierra 2500 PCM with part number 12586242 visible on the label.
    $119.95

    2004 GMC Sierra 2500 6.0L Engine Computer PCM ECU | Programmed to Your VIN | 12586242

  • Programmed 2004 Sierra 2500 PCM 12586242, front view showing connectors.
    $119.95

    Programmed 2004 Sierra 2500 PCM 12586242 | Direct Fit ECM

  • A side view of the 12586242 PCM for 2004 GM trucks and SUVs, showing the connection pins.
    $119.95

    Programmed 2004 GM Truck & SUV 12586242 PCM | Engine Computer

  • Front view of the 2004 GM PCM 12586242, showing the connectors for a Sierra, Silverado, or Tahoe.
    $119.95

    2004 GM PCM 12586242 | Programmed to Your VIN | Sierra, Silverado, Tahoe

  • 2004 Sierra 2500 PCM 12586242 Engine Computer ECM ECU programmed to VIN.
    $119.95

    Programmed 2004 Sierra 2500 PCM 12586242 | Shipped Ready to Install

  • Programmed 2004 Silverado 2500 PCM with service number 12586242, showing connectors.
    $119.95

    Programmed 2004 Silverado 2500 PCM 12586242 | Engine Computer ECU ECM

  • Programmed 2004 Silverado 2500 PCM with service number 12586242 shown on a white background.
    $119.95

    Programmed 2004 Silverado 2500 PCM | 12586242 | Direct Fit

  • Front view of the 2004 Silverado 2500 PCM, service number 12586242, showing the main electrical connectors.
    $119.95

    Programmed 2004 Silverado 2500 PCM 12586242 | Engine Computer

  • Front view of the 2004 Silverado 2500 PCM with service number 12586242, showing the main electrical connectors.
    $119.95

    Programmed 2004 Silverado 2500 PCM 12586242 | ECM ECU | Plug & Play

  • Front view of the 2004 Silverado 2500 PCM 12586242 with its three main electrical connectors visible.
    $119.95

    2004 Silverado 2500 PCM 12586242 | VIN Programmed Engine Computer

  • Programmed 12586242 PCM for a 2004 Chevrolet Silverado 2500, showing the main electrical connectors and service number label.
    $119.95

    Programmed 12586242 PCM for 2004 GM Trucks & SUVs | Engine Computer

  • Front view of a programmed 2004 Silverado 2500 PCM 12586242 with connectors visible.
    $119.95

    Programmed 2004 Silverado 2500 PCM 12586242 | Engine Computer ECU ECM

  • Pre-programmed 2004 Silverado 2500 PCM Engine Computer module, part number 12586242, ready for installation.
    $119.95

    Programmed 2004 Silverado 2500 PCM | 12586242 | VIN Matched ECU

  • A replacement 2004 Silverado 1500 PCM, part number 12586242, ready for programming and installation.
    $119.95

    Programmed 2004 Silverado 1500 PCM 12586242 | Engine Computer ECU

  • Programmed 2004 Silverado 1500 PCM with service number 12586242, ready for installation.
    $119.95

    2004 Silverado 1500 PCM 12586242 | Programmed to Your VIN

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