Boat Deck Fills, Gas Caps & Tank Keys
97 results Show In-Stock Only
White Water Marine Hardware
EPA Compliant Vented Straight 1/4 Turn Deck Fill
Available in 2 options
$74.42 - $79.09
In Stock
Sea-Dog Line
Deck Fill with Guard
Available in 2 options
$15.62 - $34.68
In Stock
Sea-Dog Line
Deck Fill with Keyless Cap - Nylon
Available in 9 options
$9.07 - $13.25
In Stock
White Water Marine Hardware
316 SS Cast Deck Fill Flip-Tab
Available in 6 options
$39.81 - $54.94
In Stock
Sea-Dog Line
Angled Hose Deck Fill
Available in 7 options
$27.26 - $49.85
In Stock
Sea-Dog Line
Hose Deck Fill - 316 S.S
Available in 10 options
$35.72 - $42.66
In Stock
White Water Marine Hardware
EPA Compliant Vented Angled 1/4 Turn Deck Fill
Available in 2 options
$74.42 - $79.09
In Stock
Perko
Fuel System Locking Insert - 0525
SKU: 168985 | Item ID: PKO 0525DP0BLK
$45.00
In Stock
Sea-Dog Line
Flip Top Gas Fill - Investment Cast Stainless
Available in 2 options
$62.26 - $68.04
In Stock
Sea-Dog Line
Pipe Deck Fill - 316 S.S
Available in 5 options
$19.80 - $43.00
In Stock
Sea-Dog Line
Sea-Dog Replacement Deck Fill Caps
Available in 4 options
$8.94
In Stock
Whitecap Industries
Whitecap Deck Fills
Available in 5 options
$54.16 - $77.72
In Stock
Perko
EPA Compliant Black Deck Fill - Ratcheting, Straight Neck
SKU: 1012055 | Item ID: PKO 0663DPGBLK
$83.01
In Stock
Sea-Dog Line
Hose Deck Fill With Key
Available in 2 options
$41.28
In Stock
Sea-Dog Line
Deck Plate Fill Key
Available in 2 options
$2.68 - $5.51
In Stock
Perko
Deck Plate Keys
Available in 4 options
$5.54 - $8.24
In Stock
Vetus
Stainless Deck Fills
Available in 4 options
$90.00 - $108.99
In Stock
Sea-Dog Line
Flip Top Gas Fill - Cast Aluminum
SKU: 206371 | Item ID: SDL 351800
$29.82
In Stock
Perko
EPA Compliant Sealed Ratcheting Straight Fuel Fill - Gas
Available in 2 options
$71.38 - $101.74
Due to Extreme Lead Times Contact Customer Service for Options
Perko
Replacement Mounting Ring for Vented Deck Fills
SKU: 96454 | Item ID: PKO 0540DPRBLK
$11.38
In Stock
Perko
0543 Vented Straight Neck Deck Fill - 1-1/2" Hose
SKU: 190511 | Item ID: PKO 0543DPGBLK
$46.90
Due to Extreme Lead Times Contact Customer Service for Options
Perko
Vented Fill for 1-1/2" Hose - Straight Neck
Available in 2 options
$67.94 - $71.98
In Stock
Perko
0520 Hose Deck Fill - 1-1/2" Hose
Available in 4 options
$87.66 - $151.98
In Stock
Perko
0591 Vented Straight Neck Deck Fill - 1-1/2" Hose
SKU: 378771 | Item ID: PKO 0591DPDCHR
$111.94
In Stock
Forespar
Marelon Deck Fills
Available in 2 options
$24.76
In Stock
Perko
Fuel Vent Surge Protector
SKU: 1017030 | Item ID: PKO 0553DP0
$46.47
In Stock
Perko
Perko Replacement Caps for Flush Style Deck Fills
Available in 11 options
$57.68 - $241.38
In Stock
Perko
Waste Deck Fill for Pipe
Available in 2 options
$117.68 - $184.10
In Stock
Perko
0579 Vented Angled Neck Deck Fill - 2" Hose
Available in 3 options
$159.82 - $292.08
Due to Extreme Lead Times Contact Customer Service for Options
Sea-Dog Line
Deck Fill with Keyless Cap - 316 S.S
Available in 4 options
$31.42
In Stock
Perko
Chrome Waste Deck Fill for Hose
Available in 2 options
$80.50 - $143.16
In Stock
Whitecap Industries
Push Up Deck Fill for 2" Hose (Diesel)
SKU: 389297 | Item ID: WHT 6895
$91.28
In Stock
Perko
EPA Sealed Ratcheting Chrome Cap Fuel Fill w/ Pressure Relief Valve
SKU: 377568 | Item ID: PKO 0661DPGCHR
$120.78
In Stock
Perko
0528 Pipe Deck Fills - Gas, Diesel, Water, & Unmarked
Available in 19 options
$91.02 - $434.64
In Stock
Attwood
Replacement Deck Fill Cap & Chain
SKU: 63209 | Item ID: ATT 66074-3
$29.02
In Stock
Perko
Replacement Raised Cap Deck Fill Caps
Available in 2 options
$36.22 - $61.74
In Stock
Perko
EPA Compliant Sealed Ratcheting Chromed Scalloped Cap Straight Neck Fuel Fill - with Metallic Decal
SKU: 457665 | Item ID: PKO 0781G00STS
$71.38
Out of Stock
Buck Algonquin
Pipe Deck Fill - Replacement O-Ring
SKU: 157346 | Item ID: B/A ORING200
$4.61
In Stock
Sea-Dog Line
Hose Deck Fill With Splash Guard - "Gas"
SKU: 89102 | Item ID: SDL 351750-1
$18.92
Special Order Only
Marine Hardware
Deck Fill - Toggle Cap
Available in 4 options
$56.04
In Stock
Sea-Dog Line
Emergency Deck Fill Plug
SKU: 1022245 | Item ID: SDL 357390-1
$13.54
In Stock
Perko
Sealing Ratcheting Gas Cap with VPR - 1-1/2"
SKU: 377570 | Item ID: PKO 0662DPG99B
$48.70
In Stock
Perko
EPA Compliant Sealed Ratcheting Cap Fill for 1-1/2" Hose
SKU: 456431 | Item ID: PKO 0663G00BLK
$53.34
In Stock
Perko
Fuel Inlet Check Valve - NPTF Threaded, Straight, EPA Compliant
SKU: 392600 | Item ID: PKO 0584T00
$40.78
In Stock
Sea-Dog Line
Universal Deck Fill Key
Available in 2 options
$10.38 - $11.71
In Stock
Secure and Compliant Boat Gas and Fuel Caps from Fisheries Supply
Fisheries Supply offers a wide selection of marine gas caps, boat fuel caps, and fuel fillers from trusted brands like Perko and Sea Dog Line.
EPA-Compliant and Spill-Resistant
Our marine gas caps and fuel caps are designed to meet stringent EPA regulations, ensuring a secure and spill-resistant solution for your vessel. With vapor-tight construction and gasketed seals, these caps help prevent leaks, spills, and potential fuel theft, safeguarding your investment and the environment.Versatile Options for Every Vessel
Whether you need fuel caps for a sailboat, bass boat, pontoon, or any other type of vessel, we have you covered.Our extensive selection includes:
- Combination cap/vents
- Stainless steel boat water intakes
- Diesel deck fills (USCG-mandated)
- Freshwater tank fills
Tailored Solutions from Knowledgeable Representatives
Our knowledgeable representatives can help you select the optimal gas caps, fuel caps, and deck fills for your boat.Convenient Replacements and Accessories
In addition to our comprehensive selection of fuel system components, we also offer spare gas cap keys and clearly labeled replacement caps for easy access and identification. Our commitment to providing a complete solution ensures you have everything you need to maintain your boat's fuel system effectively.At Fisheries Supply, we take pride in offering top-quality marine gas caps, boat fuel caps, and fuel fillers. Browse our selection today and experience the confidence that comes with secure, compliant, and durable products designed to protect your boat and the environment.
If you are also setting up the tank, browse our great selection of boat fuel tank vents.