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  1. XW7F-12A650-HB | 1998 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | MLC-411 Mercury
    $171.00
    Rated 5/5 based on 5 customer reviews
    Willams - by , Saturday
    5/ 5stars
    PCM ARRIVED SAME AS FACTORY PART NUMBER AND IT WAS ALREADY PROGRAMMED TO VEHICLE. EASY PROCESS. GOOD COMMUNICATION. NO ISSUES.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128692128692
    $190.00
  2. F8PF-12A650-BEA | 1998 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | MLC-411 Mercury
    $171.00
    Rated 5/5 based on 5 customer reviews
    Ari - by , Saturday
    5/ 5stars
    it's good quality. fast shipping my car sounds great now.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128691128691
    $190.00
  3. F8AF-12A650-DG | 1998 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | MLC-411 Mercury
    $171.00
    Rated 5/5 based on 5 customer reviews
    Harry - by , Saturday
    5/ 5stars
    The computer works perfectly. We are so happy!!Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128690128690
    $190.00
  4. F8AF-12A650-DF | 1998 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | MLC-411 Mercury
    $171.00
    Rated 5/5 based on 5 customer reviews
    Luis - by , Saturday
    5/ 5stars
    Fast shipping great product thank youFlagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128689128689
    $190.00
  5. F8AF-12A650-GG | 1998 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | MLC-411 Mercury
    $171.00
    Rated 5/5 based on 5 customer reviews
    Pedro - by , Saturday
    5/ 5stars
    works great, so far so good completed drive cycles and no pending codes . A+ seller buy with confedence. I definitely will again.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128688128688
    $190.00
  6. F7AF-12A650-DE | 1997 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | ML2-339 Mercury
    $185.00
    Rated 5/5 based on 5 customer reviews
    Harry - by , Saturday
    5/ 5stars
    Great Service fast delivery Worked perfect. Plug&Play.Thanks.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128687128687
    $206.00
  7. F7AF-12A650-DD | 1997 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | ML2-339 Mercury
    $185.00
    Rated 5/5 based on 5 customer reviews
    Willams - by , Saturday
    5/ 5stars
    Thank you for an easy and pleasant transaction. Product arrived as expected.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128686128686
    $206.00
  8. F7AF-12A650-DC | 1997 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | ML2-339 Mercury
    $185.00
    Rated 5/5 based on 5 customer reviews
    Harry - by , Saturday
    5/ 5stars
    Great product. A pleasure to do business with.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128685128685
    $206.00
  9. F7AF-12A650-DB | 1997 Mercury Grand Marquis 4.6L ECM Engine Computer PCM ECU Programmed & Updated | ML2-339 Mercury
    $185.00
    Rated 5/5 based on 5 customer reviews
    Ari - by , Saturday
    5/ 5stars
    plugged and played just as promised thanksFlagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg128684128684
    $206.00
  10. 1F1F-12A650-GE | 2001 Mercury Sable 3.0L ECM Engine Computer PCM ECU Programmed with Keys | MP2-191 Mercury
    $227.00
    Rated 5/5 based on 5 customer reviews
    Juan - by , Saturday
    5/ 5stars
    The computer works perfectly. We are so happy!!Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug_keys/ford_pcm_ecm_1_plug_keys_1.jpg126629126629
    $252.00
  11. 1F1F-12A650-GD | 2001 Mercury Sable 3.0L ECM Engine Computer PCM ECU Programmed with Keys | MP2-191 Mercury
    $227.00
    Rated 5/5 based on 5 customer reviews
    Pedro - by , Saturday
    5/ 5stars
    Fast shipping great product thank youFlagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug_keys/ford_pcm_ecm_1_plug_keys_1.jpg126628126628
    $252.00
  12. 1F1F-12A650-GE | 2001 Mercury Sable 3.0L ECM Engine Computer PCM ECU Programmed & Updated | MP2-191 Mercury
    $162.00
    Rated 5/5 based on 5 customer reviews
    Juan - by , Saturday
    5/ 5stars
    works great, so far so good completed drive cycles and no pending codes . A+ seller buy with confedence. I definitely will again.Flagship One, Inc
    Mercuryhttps://d21x523fn1kdcl.cloudfront.net/media/product/image/ford/ford_1_plug/ford_pcm_ecm_1_plug_1.jpg126627126627
    $180.00
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All Mercury PCM (Powertrain Control Module) Mercury ECM (Engine Control Module) & Mercury ECU (Electronic Control Unit) from Flagship One, Inc. are precisely programmed and flashed to meet your vehicle's specific requirements.

Our Mercury PCM, Mercury ECM and Mercury ECU units that are labeled plug & play will not require any additional programming.

    Here is a list of all of the Mercury PCM, Mercury ECM and Mercury Control Modules that we have in stock and are ready to ship:
  • Mercury Capri PCM | Mercury Capri ECM | Mercury Capri ECU
  • Mercury Cougar PCM | Mercury Cougar ECM | Mercury Cougar ECU
  • Mercury Grand Marquis PCM | Mercury Grand Marquis ECM | Mercury Grand Marquis ECU
  • Mercury Marauder PCM | Mercury Marauder ECM | Mercury Marauder ECU
  • Mercury Mariner PCM | Mercury Mariner ECM | Mercury Mariner ECU
  • Mercury Milan PCM | Mercury Milan ECM | Mercury Milan ECU
  • Mercury Montego PCM | Mercury Montego ECM | Mercury Montego ECU
  • Mercury Monterey PCM | Mercury Monterey ECM | Mercury Monterey ECU
  • Mercury Mountaineer PCM | Mercury Mountaineer ECM | Mercury Mountaineer ECU
  • Mercury Mystique PCM | Mercury Mystique ECM | Mercury Mystique ECU
  • Mercury Sable PCM | Mercury Sable ECM | Mercury Sable ECU
  • Mercury Topaz PCM | Mercury Topaz ECM | Mercury Topaz ECU
  • Mercury Tracer PCM | Mercury Tracer ECM | Mercury Tracer ECU
  • Mercury Villager PCM | Mercury Villager ECM | Mercury Villager ECU