Gas Fills and Caps

Keep fuel secure and accessible with premium gas fills and gas caps designed specifically for MasterCraft, Moomba, and Supra boats. Whether you're replacing a worn gas fill, lost your gas cap, or upgrading to a cleaner fit, WaterSkis.com offers a full selection of OEM-compatible fuel access parts that ensure proper fit, function, and durability.

With options tailored to the fuel systems of popular inboard models, including MasterCraft boats gas fills, Moomba boats gas caps, and more, you’ll find high-quality components ready to install. Our Boat Part Lookup Tool makes it easy to match your boat’s make and model with the exact part you need—no guesswork required.

Shop confidently knowing you're getting the right fit to keep your ride fueled and ready for the next session.

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  • Chrome MasterCraft Gas Cap
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    Chrome MasterCraft Gas Cap by Perko

    $72.99
    Chrome MasterCraft Gas Cap Replace your lost, stolen or just old MasterCraft gas cap. This is a stock MasterCraft Gas Cap replacement for all boats. Featuring a standard two prong key open close with connecting holding chain to ensure you don't drop it...
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    $72.99
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  • 2" Chrome MasterCraft Gas Cap
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    2" Chrome MasterCraft Gas Cap

    $94.99
    2" Chrome MasterCraft Gas Cap This is a replacement 2" Gas Cap by Perko. Replace your lost, stolen, or just old gas cap. The smaller 2" cap size is used on many older boats by MasterCraft and other manufacturers. It features a standard two prong key open...
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