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Ford Intake Manifold to Head Gasket - Driver Side (99-04 GT)

Market Price $41.99 You Save 31% ($13.11)
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$28.88 (each)

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  • Item 402179

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    Features & Details

    • Intake Manifold to Head Gasket Seal
    • Original Factory Equipment - OE Fit and Finish
    • Genuine Ford OEM Part - YL3Z-9439-BA
    • Left Hand - Driver Side
    • Sold Individually
    • Fits All 1999-2004 Ford Mustang GT Models
    Reliable Performance. If you have a pesky leak in your Mustang’s intake manifold, then Ford has the ideal product for you. The Ford Intake Manifold to Head Gasket - Driver Side replaces the worn or torn intake to the head gasket.

    Superior Built. This intake manifold is a genuine Ford OEM replacement; therefore, it will be a perfect OE fit and finish for vehicle.

    Unrivaled Quality. Made in the USA, this heavy-duty construction will stop leaks and give you reliable performance for miles and miles. For your convenience, this intake manifold to head gasket is sold individually.

    Installation. This product is an intermediate installation that will require common garage tools for completion. The installation time is approximately 3 hours.

    Warranty. Ford backs this product with a 24 Month Limited Warranty that will cover in full any defect or flaw found in the materials or craftsmanship.

    Application. The Ford Intake Manifold to Head Gasket for the Driver Side fits all 1999-2004 Ford Mustang GT models.

    Fitment: 1999 2000 2001 2002 2003 2004 Details

    MPN# YL3Z-9439-BA

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Intake Manifold To Head Gasket -Driver Side
    • (1) Installation Instructions
    Installation Info
    Will it fit my Mustang?

      Customer Photos

        Questions & Answers (2)

        2 Top Rated Questions

        Will this gasket work on the Edelbrock Victor Jr. EFI Intake Manifold (99-04 GT)? Item#: 56505

        • Unfortunately, we have not yet test fit to work with the Edelbrock Victor Jr. EFI Intake Manifold at this point in time.

        Helpful (0)

        Will these gaskets work with the Professional Products Typhoon Intake?

        • The Professional Products Typhoon Intake will require the Professional Products Typhoon Intake Manifold Gaskets. Here is the link for those gaskets:

        Helpful (0)
        Post Your Question

          Customer Reviews (10) Write a Review

          Overall Rating 5

          out of 5 stars

          • 5/5

            August 10, 2019

            Great product

            These Ford performance gaskets are a great product one was on backorder for two weeks and I still waited just because I knew they would seal the first time and of course they did and no problems love the products


            Year: 2002 Submodel: GT

            Helpful (0)

          • 5/5

            July 11, 2019

            Worked perfectly

            Right side was marked and they had a tab on them so you couldn't put them on backwards or upside down .


            Year: 2003 Submodel: GT

            Helpful (0)

          • 5/5

            June 12, 2019


            Ford intake to head gasket fit perfect always go with a new seal make the difference don't re use the old one


            Year: 2000 Submodel: GT

            Helpful (0)

          • 5/5

            April 28, 2019

            Good gaskets for aluminum typhoon intake

            Perfect fit no leaks so far on my 04 2valve with typhoon manifold


            Year: 2004 Submodel: GT

            Helpful (0)

          • 5/5

            April 13, 2019

            Perfect fit no air leaks!

            Took care of my coolant leaks with a brand new intake manifold and gasket set thank you American Muscle!


            Year: 1999 Submodel: GT

            Helpful (0)

          • 5/5

            February 26, 2019

            Works Great !

            They came on time and fit and works likes its supposed to great product !


            Year: 2000 Submodel: GT

            Helpful (1)

          • 5/5

            January 24, 2019

            intake gasket

            fast delivery and perfect fit the torques on the PDF file aren't correct


            Year: 2003 Submodel: GT

            Helpful (2)

          • 5/5

            January 09, 2019

            Work great!

            Fit perfect no issues at all! Worked great as it should be.


            Year: 2001 Submodel: GT

            Helpful (3)

          • 5/5

            September 14, 2018

            Mustang gt04

            American muscle had my gasket delivered the next day. Super fast on getting u your parts. I recommend to anybody thats looking to up grade, by all means use American muscle.


            Year: 2004 Submodel: GT

            Helpful (9)

          • 5/5

            July 31, 2018

            Great product

            Quality replacement part I would recommend this To anyone looking to replace your intake manifold or just a compromised gasket


            Year: 2000 Submodel: GT

            Helpful (8)

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