Boat Deck Fills, Gas Caps & Tank Keys

97 results
CategoryBoat Plumbing Fixtures & Supplies
CategoryBoat Deck Fills, Gas Caps & Tank Keys
Show In-Stock Only

Combination Gas Fill & Tank Vent

Perko

1319 Vented Straight Neck Deck Fill - 1-1/2" Hose

Available in 2 options

$35.90

Out of Stock
REPLACEMENT CAP FOR 351750

Sea-Dog Line

Replacement Cap - for Hose Deck Fill With Splash Guard

SKU: 84245 | Item ID: SDL 351755-1

$11.45

In Stock
07-n-11-8 of PSS Shaft Seals O-Ring Pack and Screw Set

PSS Shaft Seals

O-Ring Pack and Screw Set

SKU: 195885 | Item ID: PSS 07-N-11-8

$4.39

In Stock
Image coming soon

Perko

0591 Vented Straight Neck Deck Fill - 1-1/2" Hose

SKU: 378771 | Item ID: PKO 0591DPDCHR

$111.94

In Stock
357390 of Sea-Dog Line Emergency Deck Fill Plugs

Sea-Dog Line

Emergency Deck Fill Plug

SKU: 1022245 | Item ID: SDL 357390-1

$13.54

In Stock
Waste Deck Fill for Hose

Perko

Waste Deck Fill or Replacement Cap

Available in 2 options

$17.60 - $56.82

In Stock
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Perko

Perko Replacement Caps for Flush Style Deck Fills

Available in 11 options

$57.68 - $241.38

In Stock
0791 of Perko EPA Straight Gas Fill

Perko

EPA Straight Gas Fill

SKU: 1003522 | Item ID: PKO 0791DPGCHR

$141.56

Out of Stock
Image coming soon

Perko

0552 Deck Fill - 1-1/2" Hose, with Resin Insert

SKU: 389813 | Item ID: PKO 0552DP0STS

$77.58

In Stock
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Perko

EPA Compliant Sealed Ratcheting Cap Fill for 1-1/2" Hose

SKU: 456431 | Item ID: PKO 0663G00BLK

$53.34

In Stock
S.S. CAST HOSE DECK FILL BODY ONLY

Sea-Dog Line

Key-Free Hose Deck Fill

SKU: 85010 | Item ID: SDL 351300-1

$37.10

Special Order Only
Deck Fill

Vetus

Deck Fill

Available in 4 options

$56.99 - $81.99

Special Order Only
CHR BRZ ANGLED WATER FILL VENT

Perko

0590 Vented Angled Neck Deck Fill - 1-1/2" Hose

SKU: 172894 | Item ID: PKO 0590DPWCHR

$111.94

In Stock
1-5-st-s-316 of Buck Algonquin Standard Sounding Tube Deck Fit

Buck Algonquin

Standard Sounding Tube Deck Fit

SKU: 1010750 | Item ID: B/A 1.5-ST-S-316

$297.50

In Stock
CHR BRZ GAS FILL W/ANGLED HOSE BIB

Perko

Gas Fill for Hose

SKU: 56134 | Item ID: PKO 0527G08CHR

$241.06

Due to Extreme Lead Times Contact Customer Service for Options
Pipe Deck Fill

Buck Algonquin

Pipe Deck Fill - Water

Available in 2 options

$127.84 - $187.96

Out of Stock
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Perko

Fuel Inlet Check Valve - NPTF Threaded, Straight, EPA Compliant

SKU: 392600 | Item ID: PKO 0584T00

$40.78

In Stock
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Perko

EPA Compliant Sealed Ratcheting Chromed Dimpled Cap Angled Neck Fuel Fill

SKU: 377608 | Item ID: PKO 0790DPGCHR

$141.56

Out of Stock
Chrome Waste Deck Fill for Hose

Perko

Chrome Waste Deck Fill for Hose

Available in 2 options

$80.50 - $143.16

In Stock
0570 of Perko Splash Guard Cap

Perko

Splash Guard Cap

SKU: 381114 | Item ID: PKO 0570B0099A

$3.79

Out of Stock
BLACK NYLON HOSE DECK FILL (BODY)

Sea-Dog Line

Hose Deck Fill - Nylon Body Only

SKU: 89103 | Item ID: SDL 357000-1

$10.74

In Stock
Fuel Fill with Locking Cap

Perko

Fuel Fill with Locking Cap

Available in 2 options

$89.20 - $93.66

Out of Stock
0553dp0 of Perko Fuel Vent Surge Protector

Perko

Fuel Vent Surge Protector

SKU: 1017030 | Item ID: PKO 0553DP0

$46.47

In Stock
Push Up Deck Fill with 2" Hose - Diesel

Whitecap Industries

Push Up Deck Fill for 2" Hose (Diesel)

SKU: 389297 | Item ID: WHT 6895

$91.28

In Stock
Image coming soon

Perko

Sealed Ratcheting Polymer Cap Fuel Fill - EPA Compliant

Available in 2 options

$29.86

Due to Extreme Lead Times Contact Customer Service for Options
BLK ANGLED GAS FILL VENT

Perko

0542 Vented Angled Neck Deck Fill - 1-1/2" Hose

SKU: 73856 | Item ID: PKO 0542DPGBLK

$46.90

In Stock
357390 of Sea-Dog Line Emergency Deck Fill Plug - Bulks

Sea-Dog Line

Emergency Deck Fill Plug - Bulk

SKU: 1022856 | Item ID: SDL 357390

$10.12

Out of Stock
Fuel System Locking Cap

Perko

Fuel System Locking Cap

Available in 2 options

$44.44 - $48.90

In Stock
Plastic Gas Fill

Perko

Plastic Gas Fill

Available in 2 options

$20.36 - $20.86

In Stock
BLK ZINC LOCKING INSERT F/0540/0541

Perko

Fuel System Locking Insert - 0525

SKU: 168985 | Item ID: PKO 0525DP0BLK

$45.00

In Stock
1428 of Perko Sealed Flip Top Cap Fills - Angled Neck

Perko

Sealed Flip Top Cap Fills - Angled Neck

SKU: 1009910 | Item ID: PKO 1428G00BLK

$39.51

Out of Stock
EPA Compliant Sealed Stainless Vented Fill for 1-1/2" Hose

Perko

Vented Angled DeckFills for 1-1/2" Hose w/ Color Coded Resin Inserts

SKU: 1041308 | Item ID: PKO 0582DP0STS

$77.66

In Stock
fs3816 of Vetus Splash-Stop for Fuel

Vetus

Splash-Stop for Fuel

Available in 3 options

$148.84

In Stock
Image coming soon

Davis Instruments

Snap Tool - Stainless Steel Multi Purpose Deck Key

SKU: 455668 | Item ID: DAV 382

$16.20

In Stock
BLK COMPACT DECK PLATE KEY

Perko

Deck Plate Key

SKU: 24512 | Item ID: PKO 1247DP0BLK

$8.90

In Stock
Universal Deck Fill Key

Sea-Dog Line

Universal Deck Fill Key

Available in 2 options

$10.38 - $11.71

In Stock
STAINLESS UNIVERSAL DECK PLATE KEY

Sea-Dog Line

Universal Deck Fill Key - Small

SKU: 70814 | Item ID: SDL 335695-1

$7.50

In Stock
Image coming soon

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
0557dpgchr of Perko 0557 Water & Fuel Deck Fill - 1-1/2" Hose

Perko

Fuel and Water Fills

Available in 3 options

$88.56

Due to Extreme Lead Times Contact Customer Service for Options
EPA Compliant Sealed Replacement Cap with VPR

Perko

EPA Compliant Sealed Replacement Cap with VPR

SKU: 1036540 | Item ID: PKO 0660DPG99A

$84.27

Out of Stock
054000099b of Perko Gas Cap O-Ring

Perko

Gas Cap O-Ring

SKU: 445253 | Item ID: PKO 054000099B

$3.32

Out of Stock
CHROME ZINC GAS FILL W/SPLASH GUARD

Sea-Dog Line

Hose Deck Fill With Splash Guard - "Gas"

SKU: 89102 | Item ID: SDL 351750-1

$18.92

Special Order Only
2IN SS GAS PIPE DECK PLATE

Buck Algonquin

Pipe Deck Fill - Gasoline

SKU: 167200 | Item ID: B/A 70PDPS200G

$199.65

Special Order Only
2IN HOSE CHR BRZ VENTED GAS FILL

Perko

0577 Vented Straight Neck Deck Fill - 2" Hose

SKU: 165794 | Item ID: PKO 0577G00CHR

$243.42

Due to Extreme Lead Times Contact Customer Service for Options
0782 of Perko Sealed Ratcheting Cap Fill

Perko

EPA Compliant Sealed Ratcheting Cap Fill

SKU: 1012023 | Item ID: PKO 0782DPGCHR

$112.18

Due to Extreme Lead Times Contact Customer Service for Options
46-90 results of 97

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.