316 Stainless Steel Keyed Marine Deck Fill Cap for Fuel and Diesel

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Designed for marine fuel, gas, and diesel fill points, this 316 stainless steel keyed deck fill cap provides a secure, locked seal to protect tank contents from contamination and unauthorized access. A reliable choice for boat builders, repair yards, and vessel owners sourcing quality deck hardware for fuel system installations.

Features

• Marine-grade 316 stainless steel for superior corrosion resistance in saltwater environments
• Integrated key locking mechanism prevents unauthorized access and fuel contamination
• Fits standard 1.5" (38mm) marine fuel, gas, and diesel tank fill points
• Polished finish for a clean, professional appearance with minimal maintenance
• Secure sealing design prevents leaks and spills during and after refueling
• Straightforward installation compatible with standard deck cutout dimensions

Applications

• Fuel, gas, and diesel deck fill points on yachts, sailboats, and motorboats
• Marine fuel system installations by boat builders and repair yards
• Replacement deck fill caps for existing marine vessels
• OEM and ODM supply for marine hardware distributors

Specifications

• Material: 316 Stainless Steel
• Color: Silver (polished)
• Size: 1.5" (38mm) — SKU: XH69901

Looking for other sizes or styles? View our full Deck Filler collection, or contact us for OEM marine hardware projects and quantity pricing.

Note: Due to manual measurements, please allow for slight tolerance in size.