316 Stainless Steel Deck Filler for Gas, Diesel, Water and Waste
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This 316 stainless steel deck filler covers all marine fill point needs in one product line — gas, diesel, petrol, water, fuel, and waste. With engraved cap labels and a secure lock mechanism, it eliminates mix-up risks during refueling and is built to withstand continuous saltwater exposure. Available in G1-1/4" and G1-1/2" threading to fit the most common marine tank configurations, making it a practical choice for boat builders, repair yards, and distributors sourcing a versatile deck fitting.
Features
- Marine-grade 316 stainless steel for superior corrosion resistance in saltwater environments
- Available in 6 label types: GAS, DIESEL, PETROL, FUEL, WATER, WASTE — clearly engraved to prevent mix-ups
- Two threading sizes: G1-1/4" and G1-1/2" for compatibility with most marine tank fittings
- Secure lock mechanism prevents leaks, spills, and unauthorized access
- Polished finish for a clean, professional appearance with minimal maintenance
- Straightforward installation with standard deck cutout dimensions
Applications
- Fuel, gas, diesel, water, and waste fill points on yachts, sailboats, and motorboats
- Marine fuel and water system installations by boat builders and repair yards
- Replacement deck fillers for existing marine vessels
- OEM and ODM supply for marine hardware distributors
Specifications
- Material: 316 Stainless Steel
- Color: Silver (polished)
- G1-1/4" series (XH99402): A = Ø74mm, B = Ø60mm, C = 83.4mm, D = G1-1/4", E = Ø6mm, F = Ø38mm
- G1-1/2" series (XH89802): A = Ø87mm, B = Ø68.5mm, C = 87mm, D = G1-1/2", E = Ø6mm, F = Ø51.7mm

Need a specific label or threading size? View our full Deck Filler collection for more options, or contact us for OEM marine hardware projects and quantity pricing.
Note: Due to manual measurements, please allow for slight tolerance in size.