Secure your fuel, water, and waste systems with heavy-duty marine deck fills and replacement caps. Whether you are replacing a worn-out gas fill, upgrading to a locking stainless steel cap, or looking for vented and angled neck options (0-degree or 30-degree), we stock exact-fit replacements from trusted brands like Perko and Attwood.
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Corrosion-Resistant Materials: Built from heavy-duty 316 stainless steel and robust chrome-plated alloys designed to withstand harsh marine environments and fuel exposure.
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Secure Seal: Precision-threaded caps with reliable o-rings, lanyards, and pressure-relief system compatibility to prevent leaks and spills.
Need help matching your hose diameter or neck angle? Check out our fitment resources or reach out to our team for assistance.
