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  • Front view of a 1999-2000 GMC 3500 PCM, part 21811787, showing the main electrical connector ports. This programmed module fixes engine and transmission issues.
    $114.95

    Programmed 1999-2000 GMC 3500 PCM | Powertrain Control Module 21811787

  • Programmed 1999-2000 GMC 2500 PCM 21811787 showing the main connectors. A direct-fit replacement to fix running issues and clear P0601 codes.
    $114.95

    Programmed 1999-2000 GMC 2500 PCM 21811787 | Powertrain Control Module

  • Programmed 1999 GMC 1500 PCM, part 21811787. This replacement electronic control module solves common issues like stalling and check engine codes.
    $114.95

    Programmed 1999 GMC 1500 PCM | Replaces 21811787 | VIN Matched

  • Programmed 1999-2002 Express 3500 Powertrain Module with clear connectors, a direct-fit solution to resolve engine stalling and check engine light codes.
    $114.95

    Programmed 1999-2002 Express 3500 Powertrain Module 21811787 | VIN Flashed

  • Front view of a 1999-2002 Express 2500 PCM, part 21811787, showing the multi-pin connectors for a direct-fit, VIN-programmed installation.
    $114.95

    Programmed 1999-2002 Express 2500 Van PCM 21811787 | VIN Flashed ECM

  • Programmed 1999-2002 Express 1500 PCM, part 21811787. This module fixes check engine lights, poor performance, and no-start conditions on GM vans and trucks.
    $114.95

    Programmed 1999-2002 Express 1500 PCM | 21811787 | VIN Matched ECU

  • VIN-programmed 1999-2000 Yukon PCM, part 218-11787, with connectors visible. A reliable solution for clearing engine codes like P0601 and fixing stalling.
    $114.95

    1999-2000 Yukon PCM 218-11787 Engine Computer | Programmed with Your VIN

  • Programmed 1999-2000 Tahoe PCM, part 218-11787, showing the three main wiring harness connectors. A reliable fix for engine stalling and check engine codes.
    $114.95

    Programmed 1999-2000 Tahoe PCM Powertrain Control Module 218-11787

  • Front view of the 1999 Suburban 1500 PCM 218-11787, showing the main electrical connectors. This VIN-programmed module fixes engine error codes.
    $114.95

    Programmed 1999 Suburban 1500 PCM 218-11787 | VIN Matched

  • Front view of a 1999 Suburban 2500 PCM part 218-11787 showing the multiple connector ports. This VIN-programmed module fixes engine codes.
    $114.95

    Programmed 1999 Suburban 2500 PCM 218-11787 | Engine Computer ECM

  • Programmed 1999-2001 GMC Safari PCM 218-11787. This engine computer module arrives ready to install, fixing check engine lights and stalling.
    $114.95

    1999-2001 GMC Safari PCM Programmed 218-11787 Engine Computer

  • Pre-programmed 1999-2002 Savana 3500 PCM, part 218-11787, showing the main connectors. A reliable fix for poor performance and DTCs like P0601.
    $114.95

    Programmed 1999-2002 Savana 3500 PCM 218-11787 | VIN Matched | GM Updates

  • Programmed 1999-2002 Savana 1500 PCM, part 218-11787. This module fixes check engine lights, stalling, and error codes like P0601 for a reliable repair.
    $114.95

    Programmed 1999-2002 Savana 1500 Van PCM | ECM 218-11787 | VIN Matched

  • Programmed 1999-2002 Savana 2500 Van PCM, part 218-11787, showing the main electrical connector ports. This module solves engine error codes.
    $114.95

    Programmed 1999-2002 Savana 2500 Van PCM 218-11787 | VIN Matched

  • Pre-programmed 1999-2000 Sierra 1500 PCM, part 218-11787. Shows the main housing and electrical connectors for a direct-fit installation.
    $114.95

    Programmed 1999-2000 Sierra 1500 PCM 218-11787 | VIN Matched

  • 1999-2001 Astro Powertrain Control Module (218-11787) showing the main case and multi-pin electrical connectors for a plug-and-play installation.
    $114.95

    1999-2001 Astro Powertrain Control Module 218-11787 | Programmed to Your VIN

  • Programmed 1999-2000 Escalade PCM 218-11787 showing the main computer housing and multi-pin connectors for a direct-fit installation.
    $114.95

    Programmed 1999-2000 Escalade PCM 218-11787 Powertrain Control Module

  • Programmed 1998-2000 Envoy PCM 218-11787 for GM trucks. Fixes stalling, rough idle, and check engine light codes like P0601.
    $114.95

    1998-2000 Envoy PCM 218-11787 | Programmed to Your VIN

  • A Powertrain Control Module (PCM) for a 1999-2000 Chevrolet 3500 Pickup, showing the main case and three distinct electrical connector ports for a direct-fit installation.
    $114.95

    Programmed 1999-2000 Chevrolet 3500 PCM 218-11787 | VIN Matched

  • Gm Black Box Pcm
    $114.95

    1999 1500 Pickup Engine Control Module 218-11787 Programmed To Your VIN VIN PCM ECM

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