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Ford IAC - Idle Air Control (98-00 GT)

Market Price $120.99 You Save 12% ($15.02)
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$105.97 (each)

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  • Item 389148
  • MPN# CX1917

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    Features & Details

    • Idle Air Control Valve with Motor
    • Corrects Vehicle Idle
    • Direct Fit OEM Replacement
    • Genuine Ford Part# CX1917, F8VE9F715AB, F8VZ9F715AB, L1U9D653AB, L1Z9D653AA
    • Sold Individually
    • Fits 1998-2000 GT Mustangs
    Improve Engine Performance. Is your 4.6L GT Mustang suffering from surging, rough or hanging idle? Then you may need to replace your old stock Idle Air Control Valve with a brand new genuine Ford IAC Valve from AmericanMuscle. The idle air control motor (IAC) controls changes in idle caused by engine load.

    Genuine Ford Part. Made to the original factory specifications from OEM quality materials, this Mustang Idle Air Control Valve with Motor is a direct fit OEM Ford replacement part that provides reliable maintenance-free operation. Genuine Ford part# CX1917, F8VE9F715AB, F8VZ9F715AB, L1U9D653AB, L1Z9D653AA.

    Application. This genuine Ford Idle Air Control is designed to be a direct fit replacement for the 1998 to 2000 GT Mustangs equipped with the 2-valve SOHC 4.6L Modular engine.

    Fitment: 1998 1999 2000 Details

    What's in the Box
    • (1) Idle Air Control Valve with Motor
    Installation Info
    Tech Specs
    Will it fit my Mustang?
    • GT - 98, 99, 00

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    4 Questions / 4 Answers

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    Hi - does this part come with the gasket or is that a separate part? I have been on many forums and it seems this is the part I most likely need as my 2000 GT has this weird hum that comes and goes. The hum will start and when I hit the accelerator to idle up it will go away momentarily then come back at times when the rpms come back down.


    • A gasket is indeed needed for the installation of this Ford Idle Air Control. It does not come with the product so it will be needed to be purchased separately.


    Helpful (0)

    Can this product help my situation on my 99 mustang gt it has a Paxton supercharger and when the car is set in gear it surges from time to time, will this IAC help with that?


    • The Ford IAC - Idle Air Control could help if your existing IAC is failing, however this could also be caused by a number of other issues as well.

      Rob D

    Helpful (0)

    Does this need a gasket or just bolt up and good to go?


    • Hi, A gasket is required for a proper seal.

      Chris J

    Helpful (0)

    Aloha from Hawaii AM!, More than likely I'm going to buy this part, but I've been reading up on issues with hanging idles on the 99-04 4.6's. I have a 2000 GT mostly stock with aftermarket exhaust. My idle hangs anywhere from 1100-1300 rpm until I come to a complete stop. From my understanding the hanging idle is by design and that Ford did that for emissions purposes. I don't want to buy a part and have the same results as before so my question is, ballpark, with a new IAC and assuming nothing else is wrong where should my rpm range be? Mahalo!


    • Hello There! We are very familiar with this common issue that occurs with the 1999 to 2004 Mustang GTs. Unfortunately replacing the Ford IAC has not solved this issue. There are a couple different ways that other customer of ours have been able to fix this the most common we see using a type of restrictor plate. I recommend checking out some of the online forums to for some examples of this fix and maybe some other suggestions as well.


    Helpful (0)

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    Customer Reviews (4) Write a Review

    Overall Rating 5.0

    out of 5 stars

    Installation Time:Less than 1 Hour

    • Performance Gain 4 4
    • Fit 5 5

    • 5/5

      Installation Time: Less than 1 Hour

      November 30, 2016

      99 GT

      My car was running at high idle and replaced it with a new one. Now it idles normal like it should. Thanks American Muscle


      Year: 1999 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      June 30, 2016

      Motorcraft OEM is the only way to go!

      2015 I replaced the failed original IAC in my '98 GT with an aftermarket replacement ($45). One year later that part failed! This time, I paid the $120 for the Motorcraft part. The car has never idled so consistently! You definitely get what you pay for. :)


      Year: 1998 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      April 04, 2016

      easy fix for idling problems

      Good quality part stopped my idling problem. Only took like half a day.


      Year: 2000 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      November 13, 2017


      The part fit perfectly, installation was easy, and it solved the issue I was having, and haven't had any issues since.


      Year: 1998 Submodel: GT

      Helpful (0)

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