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Granatelli Motor Sports Coolant Expansion Tank w/ Overflow Catch Can - Polished (15-20 All)

Item 392969
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Market Price $383.24 You Save 12% ($44.09)
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Ship to: Ashburn - 20149
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    Features & Details

    • Stronger Than Plastic Factory Tank
    • One-Piece Design
    • 6061-T6 Aluminum Construction
    • Bright Polished Finish
    • Direct Fit Replacement
    • Built-In Overflow Catch Can
    • NHRA and SCCA Legal
    • Re-Uses Factory Coolant Cap
    • Fits All 2015-2020 Mustangs
    Stronger than Factory. Eliminate the unsightly factory coolant tank, nicknamed the “grenade” or “football”, in the engine bay of your S550 Mustang with the Coolant Expansion Tank with Overflow Catch Can from Granatelli Motor Sports (GMS). GMS designed this one-piece polished coolant tank to be much stronger than the factory plastic two-piece tank. On top of it all, the tank features a unique design that mimics the taper and angles of a factory engine cover for a custom appearance.

    NHRA and SCCA Legal.
    Best of all, this Coolant Expansion Tank is legal for NHRA and SCCA use. The tank features a built-in overflow catch can and drain petcock, so you don't have to purchase additional reservoirs or hardware.

    Quality Construction. This Coolant Expansion Tank is hand built from 6061-T6 aluminum for superior strength and styling. It features a stock style threaded neck, allowing you to re-use the factory coolant cap. The tank is polished to a bright mirror like appearance for impressive styling in the engine bay.

    Direct Fit Replacement.
    GMS designed this Coolant Expansion Tank to be a direct fit replacement of the factory tank. There is no modifications required for installation.

    Application. This polished GMS Coolant Expansion Tank with Overflow Catch Can is specifically designed to fit on all 2015 to 2020 Mustangs, including the V6, EcoBoost, GT and Shelby models.

    Fitment: 2015 2016 2017 2018 2019 2020 Details

    MPN# 510101-P

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Coolant Expansion Tank w/ Overflow Catch Can
    Installation Info
    Tech Specs
    Will it fit my Mustang?

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        Questions & Answers (3)

        3 Top Rated Questions

        Is this CARB certified?

        • Unfortunately, this will not carry a CARB number. We would suggest reaching out to your local state ordinances to see if this will cause any issues with emission standards in your state.

        Helpful (0)

        What is the difference in tanks with the added catch can compared to just a overflow tank?

        • This GMS Coolant Expansion Tank has a built in catch can to capture overflow as a result of overheating, or overfilling.

        Helpful (0)

        what is the advantage of having the overflow catch can?

        • The GMS Coolant Expansion Tank w/ Overflow Catch Can, Has quite a few benefits over the factory reservoir such as a stronger one piece design over the factory two piece. It also mimics the angles of the factory engine cover to give a very flush unique look.

        Helpful (0)
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          Customer Reviews (4) Write a Review

          Overall Rating 5

          out of 5 stars

          • 5/5

            November 26, 2019

            The best aftermarket tank available

            The welds are beautiful and don't look like peanut butter (unlike some other brands). Fitment was 100 and threads totally fine. It was very clean inside and out and arrived pristine.


            Year: 2016 Submodel: GT

            Helpful (0)

          • 5/5

            July 11, 2019

            Coolant Expansion Tank

            Awesome Quality, Works great, simple install. Very pleased on how it dresses up the engine to.


            Year: 2019 Submodel: GT

            Helpful (0)

          • 5/5

            December 07, 2017

            Gus coolant tank

            Easy install looks great and met all my expections


            Year: 2016 Submodel: GT

            Helpful (10)

          • 5/5

            July 20, 2016

            Cleaner look.

            The item came in like it was supposed. It was packaged well. Makes my engine bay a lot cleaner


            Year: 2016 Submodel: GT

            Helpful (8)

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