Deck Fittings, Deck Plates & Ports

PERKO sealed fill cap with Vacuum/Over Pressure Relief Valve (VPR), built in stainless steel for a secure, EPA-certified sealed fuel fill system. K...

Perko water deck-fill replacement cap with chain (Figure 0540 style) for water service. Key Features Replacement water cap/chain assembly for PERK...

Replacement PERKO spare gas cap with chain for deck fill applications—designed to keep the cap secured while fueling. Key Features Spare gas cap w...

Keep your deck plate secure with this PERKO retaining cable for deck plates. Built with a stainless steel cable and fittings, it includes a stainle...

Add a locking insert to your fuel deck fill for added theft/tamper resistance—featuring a black polymer body with a zinc alloy lock cylinder and a ...

Sea-Dog Hose Klip™ Water Hose Lock (3573931 / 354-3573931) helps prevent your water hose from slipping out of the deck fill during filling—so you c...

The Sea-Dog 3573901 Emergency Deck Fill Plug is an essential, temporary solution for lost deck fill caps—helping keep your boat’s fuel fill secured...

The Sea-Dog Emergency Deck Fill Plug helps you keep going if you lose your deck fill cap—using a temporary plug designed for common 1-1/2" hose dec...

Restore your deck fill with a replacement cap made from cast 316 stainless steel. Key Features Replacement cap for hose deck fill hardware Cast 31...

Sea-Dog flip top hose gas fill is designed for a convenient, hinged fill connection and a corrosion-resistant 316 stainless steel construction—buil...

Restore the closure on select Attwood deck fill assemblies with this stainless steel replacement cap and attached beaded chain. Built for a secure,...

Keep your Attwood deck fill system sealed and ready with this replacement deck fill cap made from 316 stainless steel. The cap comes attached with ...

Gem Products 1-5/8" Heavy Duty Stainless Steel Clamshell Vent — PairKeep your boat's bilge, cabin, or storage compartments properly ventilated with...

The Sea-Dog 357090 Red Clam Shell Deck Fill Replacement Cap is a color-coded replacement cap for compatible Sea-Dog clam shell deck fill fittings. ...

The Sea-Dog 357018 Black Waste Deck Fill Replacement Cap is a color-coded replacement cap for Sea-Dog 357010 series waste deck fill fittings. The b...

The Sea-Dog 357016 Green Diesel Deck Fill Replacement Cap is a color-coded replacement cap for Sea-Dog 357010 series diesel deck fill fittings. The...

The Sea-Dog 357015 Red Gas Deck Fill Replacement Cap is a color-coded replacement cap for Sea-Dog 357010 series gas deck fill fittings. The red cap...

The Sea-Dog 351755 Replacement Deck Fill Cap is a die-cast zinc chrome-plated cap designed to replace a lost or worn cap on the Sea-Dog 351750 seri...

The Sea-Dog 351391 Angled Deck Fill Replacement Cap is an investment-cast 316 stainless steel cap designed to replace a lost or worn cap on a compa...

The Seachoice 50-32521 Replacement Gas Fill Cap is a chrome-plated zamak cap designed to fit the Seachoice 32041 deck mount fill plate. It includes...

The Sea-Dog 351300 Deck Fill Body is a heavy-duty 316 stainless steel deck fill fitting for 1-1/2" fuel, water, or waste hose connections. Sold wit...

T-H Marine Sure-Seal™ Non-Locking Access Hatch – 13" x 23-1/4"A large-format, watertight access hatch designed for horizontal or vertical storage c...

Seachoice Nylon Deck Fill Plate with Tethered Cap – 1-1/2" HoseA lightweight, corrosion-proof deck fill plate for gasoline fuel systems. Constructe...

Perko Replacement Deck Fill Cap, No Lock – Black, Fits Chromalex 1-1/2" Gas FillsA direct-fit replacement cap for Perko Chromalex deck fill fitting...

Seachoice Deck Mount Gas Fill Plate with Tethered Cap – Chrome-Plated Zinc, 1-1/2" HoseA straightforward, reliable replacement deck fill plate for ...

Perko Replacement Chrome Bronze Deck Fill Cap with O-Ring – 1-1/2" Hose, 528 SeriesA premium replacement cap for Perko 528 Series deck fill fitting...

Seachoice Nylon Deck Fill Plate with Tethered Cap – 1-1/2" HoseA lightweight, corrosion-proof deck fill plate for gasoline fuel systems. Constructe...

Perko Waste Deck Fill – Chrome-Plated Zinc, 1-1/2" Hose, Includes Key & O-RingA purpose-built deck fill fitting for marine holding tank (waste)...

Perko Deck Plate Key – Black Plastic, Fits 1-1/4" & 1-1/2" Slot-Type Deck PlatesA purpose-fit deck plate key designed specifically for Perko 1-...

Perko Combination Gas Fill & Integrated Tank Vent – Straight Neck, Chrome Bronze Cap, Black Plastic Body, Deck Plate Key IncludedThe straight-n...

Perko Combination Gas Fill & Integrated Tank Vent – Angled Neck, Chrome Bronze Cap, Black Plastic BodyA premium-finish combination gas fill and...

Perko Deck Plate Key – Black Plastic, 1-1/2" Slot-TypeA purpose-fit deck plate key for Perko 1-1/2" slot-type deck plates and other slot-type fitti...

Perko Combination Gas Fill & Integrated Tank Vent – Angled Neck, Chrome Bronze Cap, Black Plastic BodyThe premium finish version of Perko’s com...

Sea-Dog Chrome Zinc Gas Deck Fill with Splash Guard & Keyless Cap – 1-1/2" HoseA chrome-plated die-cast zinc gas deck fill designed for easy, t...

Davis Snap Tool Multi-Key – Stainless Steel Deck Plate Key & Multi-ToolA pocket-sized stainless steel multi-tool designed around the deck plate...

Perko Combination Gas Fill & Integrated Tank Vent – Angled Neck, Black Plastic, Deck Plate Key IncludedA two-in-one deck fitting that combines ...

Perko Combination Gas Fill & Integrated Tank Vent – Angled Neck, White Plastic, Deck Plate Key IncludedA two-in-one deck fitting that combines ...

Sea-Dog Cast 316 Stainless Deck Fill Key – 1-3/16" Hole CentersA precision-fit deck fill key investment cast from 316 stainless steel — the higher-...

Seachoice Polycarbonate Deck Plate Key – Black, 3-3/8 in.A compact, purpose-built key for opening standard twist-lock and pry-up deck plates on fue...

Sea-Dog Deck Fill Key – Formed 304 Stainless Steel, Cast Cap FitA dedicated deck fill key formed from 304 stainless steel and designed to fit Sea-D...

Seachoice Universal Deck Plate Key & Multi-Tool – Non-Magnetic Stainless Steel, 3-7/8 in.One compact tool that handles the most common deck acc...

Sea-Dog Universal Deck Fill Key & Multi-Tool – 304 Stainless SteelA hardworking multi-tool built around the deck fill key — one of the most-use...