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OPR Replacement PI Intake Manifold w/ Gasket Set (99-04 GT)

Market Price $217.29 You Save 13% ($28.34)
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$188.95

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  • Item 100978
  • MPN# 100978

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    Features & Details

    • OEM Style Replacement PI Intake Manifold
    • Composite Plastic Construction
    • Aluminum Crossover
    • Pre-Installed Gaskets
    • Black Finish
    • Fits 1999-2004 GT's with Performance Improved Heads
    OEM Style Replacement. If the stock intake on your 1999-2004 GT Mustang is cracked and causing you issues, replace it with a brand new direct fit replacement that includes an improved aluminum crossover to prevent future problems.

    Improved Design. Manufactured to the original factory specifications from OEM quality composite plastic, this OPR Replacement Intake Manifold features an improved aluminum crossover and pre-installed gaskets for ease of installation.

    Application. This OPR Replacement PI Intake Manifold is designed to be a direct bolt-on 1999-2004 GT Mustangs equipped with the stock PI (Performance Improved) heads and reuses the stock alternator and other stock engine accessories.

    Ford Motor Company equivalent part# 1W7Z 9424-AB, 3W7Z 9424-AA, 3W7Z 9424-AD, 3W7Z 9424-AE, 6W7Z9424AA, 9W7Z9424A

    Fitment: 1999 2000 2001 2002 2003 2004 Details

    What's in the Box
    • (1) PI Intake Manifold with Integrated Gaskets
    • (1) Thermostat
    • (1) O-Ring
    • (1) Threaded Metal Plug
    • Bolts and Nuts
    Installation Info
    Tech Specs
    Will it fit my Mustang?
    • GT - 99, 00, 01, 02, 03, 04

    People Who Bought This Item Also Bought

    Most Helpful Reviews

    3/5
    It worked in a time of need

    Pros: It was a direct fit It got me back on the road in a time of need No need to buy intake manifold gaskets It came with the alternator bracket The aluminum crossover ...

    Read More
    Helpful (8)

    3/5
    Disappointed

    I can't help but be extremely disappointed right now. I was under the impression this was an OPR brand intake manifold. What I received was a Dorman brand intake manifold. That was the last thing I wanted ...

    Read More
    Helpful (5)

    Overall Rating 4.5 out of 5 stars
    Read All 65 Reviews

    Customer Photos (16) Submit Your Photo

    View All 16 Photos

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    10 Questions / 5 Answers

    Ask a Question

    This replacement intake has the pre installed gaskets right? Will I need to buy the gasket strip separately and place under the manifold? Or do I just clean it off and set the manifold directly on the metal? Will the pre installed gaskets prevent leaks or do I need a separate gasket strip?

    maurrio

    • Yes just set the new intake with the pre installed gaskets directly on the heads after cleaning first of course, the gaskets provided should comply with the oem specifications therefore they should give no problem

      truestreet

    Helpful (1)

    Will it fit 03 3.8 v6

    AndresB

    • No, The OPR Replacement PI Intake Manifold w/ Gasket Set will be specific to the 99-04 Mustang with the 4.6 v8 w/ PI heads.

      AMCoal

    Helpful (0)

    Why wouldn't it fit a crown Vic it's the same engine 4.6 2v and the manifold looks just like this one.

    RaulF

    • Here at American Muscle we specialize in Aftermarket Mustang performance parts. While this may fit on some Crown Victoria years, we do not specialize in these and cannot confirm fitment as Ford made several changes, such as the PI head/intake staggered for different models, with the Mustang receiving the updated parts before the Crown Vic. All of our fitment listings are for Mustangs only, and it would be the purchaser's responsibility to confirm fitment on non Mustang applications.

      Rob D

    Helpful (0)

    Will this fit a 08 crown Vic police interceptor?

    RaulC

    • This OPR Replacement PI Intake Manifold is designed to be a direct bolt-on 1999-2004 GT Mustangs.

      JaHarrisAM

    Helpful (0)

    I have a 2000 GT and the pipe that feeds coolent broke off do I need to replace the entire intake manifold? So I know if I should order it

    MarcoT

    • If the coolant pipe broke off of the intake manifold the entirety of the intake manifold would need to be replaced.

      AMjordan

    Helpful (0)

    lhe black bracket is this box is that to be used instead of the stock one.instruction sheet inside says something about rtv to be put in certain spots do i have to this where at location?

    wayneb

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    Customer Reviews (65) Write a Review

    Overall Rating 4.5

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:$100-$250

    • Performance Gain 3.563636 3.6
    • Fit 4.709091 4.7



    • 3/5

      Installation Time: Afternoon

      November 05, 2016

      It worked in a time of need

      Pros: It was a direct fit It got me back on the road in a time of need No need to buy intake manifold gaskets It came with the alternator bracket The aluminum crossover looks good and gives you further protection against the dreaded cracked thermostat seat. Cons: This is a universal item that is not just for the Ford Mustang, leaving you with extra holes. One side of the aluminum crossover has to be plugged with the provided screw (I'm assuming some cars have the coolant temp sensor on the other side, and this is why there are two holes) The product is cheap. It came warped already, which was corrected when I torqued all of the bolts. There aren't any reinforced bolt holes, they are plastic holes that can be easily stripped if you aren't careful, thankfully the intake plenum holes ARE reinforced. The fuel rail screws that they give you do not allow you to connect the small ground wire on the back drivers side. I ended up force threading the original fuel rail bolts into this intake so that I could still hook up the ground wire. I actually experienced a loss in top end power, that is rather drastic. I used to have no problem pulling to 125-130mph.. after installing this product, I struggle to reach 115 in the same distance. Overall, it is a solid cheap fix if you are just looking to get back on the road, but if you have the funds, do yourself a favor and buy the actual Ford intake manifold. When I have money, I will be replacing this intake. and a side note: This installation is so easy, it took me roughly 4 hours, however almost an hour and a half of my time was spent threading the bolts and making sure to be careful so that I did not strip anything.

      acmustang

      Year: 1999 Submodel: GT

      Helpful (8)

    • 3/5

      April 21, 2017

      Disappointed

      I can't help but be extremely disappointed right now. I was under the impression this was an OPR brand intake manifold. What I received was a Dorman brand intake manifold. That was the last thing I wanted to go with, I could've just bought one from work and cheaper too but decided to wait for this one. I don't know if OPR is just subcompany of Dorman but either way that's what I got. I can't wait any longer so I'll have to use it, I'll have to really do my research and think twice before buying off here.

      Alex

      Year: 2002 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      October 23, 2016

      Pi heads

      No problems perfect replacement for my mustang gt easy to install

      Brody

      Year: 2004 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Full Day

      October 17, 2014

      Perfect fit

      Manifold fit on perfect. I no longer have any leaks. Would definetly recommend it. Also it's nice that the aluminum crossover protects it from cracking again. Very pleased with the manifold

      Jmoney226

      Year: 2000 Submodel: GT Missouri

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      June 25, 2014

      Was exactly what I needed

      I had the notorious broken manifold at the thermostat housing on 2000 GT. Bought this and didn't need anything else it comes with everything, I recommend this to anyone who has the OEM manifold broken or not.

      Conkle

      Year: 2000 Submodel: GT Hickam AFB, HI, USA

      Helpful (3)

    • 5/5

      Installation Time: Shop Install

      December 21, 2016

      Great!!!

      Pretty solid replacement for your stock manifold that has probably cracked on you, definitely recommend this product

      BlackStallionGT

      Year: 2003 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      November 05, 2016

      intake manifold

      It's a great item and it fits great!!!! And the appearance is actually pretty good.

      FordGtFan

      Year: 2003 Submodel: GT

      Helpful (2)

    • 5/5

      July 15, 2016

      exceptional service

      Ordering from American Muscle was so easy , the package came on time , more parts came with it then I thought , perfect fit . What more can I say, this company is great. Thank you American Muscle!

      Gordon

      Year: 1999 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Weekend

      September 23, 2014

      Looks Great

      Lots of steps but was an easy install for a backyard mechanic. I took a lot longer than it should but most of that time was spent cleaning and painting .Dealer wanted over 700 for something I did for 200 and a weekend well worth the trouble and the aluminum cross over looks awesome

      youngblood1

      Year: 2001 Submodel: GT

      Helpful (2)

    • 3/5

      Installation Time: Full Day

      July 25, 2014

      This is not a direct replacement

      The parts fit, however the attachment for the fuel injector rail uses a self tapping type of screw. This is also true of the coil over plug mounts. There are no pre-threaded metal inserts that will allow you to re-use the original mounting screws. An OEM part provides the pre-threaded inserts. It might not sound like a big deal, except on the replacement manifold you can only screw in and out a limited number of times before the screw will not hold, causing another replacement too soon. There is a grounding wire on the OEM that snaps into the top of the fuel injector rail's OEM screw. This manifold does not accomodate the wire in any way. These shouldn't have a limit to the number of times you can remove and reattach the screws. In addition, there were not enough screws included for these different mounts, requiring a trip to the hardware store and an extra hour of time.

      CoachChuck

      Year: 2000 Submodel: GT Los Angeles

      Helpful (2)

    • 4/5

      Installation Time: Afternoon

      May 23, 2014

      Best bang for your buck!

      I bought this manifold to replace my broken factory intake manifold. Overall this intake was well worth the money, it fit just right an with pre installed gasket installation was a breeze. No noticeable performance gains. Thankfully this came with new bolts because most of my factory bolts were stripped out. Can't beat it for $200.

      Thedetail

      Year: 2001 Submodel: GT Owensboro,ky

      Helpful (2)

    • 5/5

      Installation Time: Full Day

      April 22, 2014

      This product is great

      The only complaint I have is that I have to buy a new alternator bracket because the old one doesn't fit the new intake.

      jenx

      Year: 2000 Submodel: GT South Dakota, USA

      Helpful (2)

    • 5/5

      October 11, 2016

      Great product

      Purchased it on a Monday and received it on Wednesday great product and service

      Twade8

      Year: 1998 Submodel: GT

      Helpful (1)

    • 4/5

      Installation Time: Afternoon

      July 03, 2016

      Great product!!

      Great part here,not much HP gain but I definitely feel the power

      Q

      Year: 2001 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      October 10, 2014

      Replacement PI Intake Manifold

      Great factory replacement for that warped leaking manifold!

      JoshR

      Year: 2000 Submodel: GT PA

      Helpful (1)

    • 4/5

      Installation Time: Afternoon

      August 22, 2014

      Budget friendly.....You get what you pay for

      It is what it is. I was on a budget and liked that it came pre loaded with the gaskets. Should have spent more on the Ford Racing Pi intake. I say that because the bolt holes on this unit are plastic, no reinforcements like on the factory intake...good luck on not stripping those out eventually. No noticeable gain in power, but it fixed the issue of the cracked coolant crossover and got my ride back on the road.

      dreNtif

      Year: 2002 Submodel: GT San Antonio, Tx

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      July 20, 2014

      Perfect fit

      It's just what it says it is - a perfect replacement for the factory manifold. It fit perfectly and was a simple , albeit, time consuming job. No leaks and no problems to speak of. And as always A.M. was awesome.

      bboyd2971

      Year: 2002 Submodel: GT Las Vegas, NV, USA

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      January 20, 2018

      Perfect fit

      Perfect fit guys. Just becareful with the plastic holes not to strip out a screw hole push down good and firm while tightening and you’ll be good to go

      02stang

      Year: 2002 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $100-$250

      January 06, 2018

      Just in time

      My passenger gasket went out so I bought a new manifold because I wasn’t sure if the old one was bad so to save money instead of buying one gasket I bought this and when the manifold came off it was warped so I did save money and didn’t have to worry for my drive up north for the holiday. Plus it looks better small visual difference.

      TimothyJ

      Year: 2001 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      January 05, 2018

      Perfect Christmas Gift

      Perfect fit!!!! if you are having problems with the thermostat housing leaks and all. This is a must have complete seal!!! perfect fit, no issues what so ever. Took me a while to install since you get the chance to get everything cleaned up for when its back on you don't have that dirty engine with a new intake manifold. Fitted on my Roush 2000 and gave it quite a tune-up.

      OrlandoZ

      Year: 2000 Submodel: GT

      Helpful (0)

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