Durable Marine Fittings for Secure Plumbing Connections
Build or maintain a reliable onboard plumbing system with our wide selection of marine-grade fittings. Whether you're working on freshwater, bilge, fuel, or sanitation lines, our elbows, tees, valves, hose barbs, and connectors ensure leak-free, secure connections that stand up to life on the water.
Crafted from corrosion-resistant materials like bronze, stainless steel, and marine-grade plastics, these fittings are engineered to withstand harsh marine environments and high-pressure systems. Available in a range of sizes and configurations, they’re compatible with standard marine hoses and plumbing components.
Shop now for high-quality marine fittings and get the dependable performance your boat demands—trip after trip.
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Vendor:GROCO
GROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]
Regular price $183.95 USDRegular price$276.00 USD-$92.05 USD Sale price $183.95 USD -
Vendor:GROCO
GROCO 6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" Return [FV-65038]
Regular price $171.95 USDRegular price$258.00 USD-$86.05 USD Sale price $171.95 USD -
Vendor:GROCO
GROCO 3/4" NPT x 1" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-750]
Regular price $16.95 USDRegular price$25.00 USD-$8.05 USD Sale price $16.95 USD -
Vendor:GROCO
GROCO 1" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1000]
Regular price $76.95 USDRegular price$115.00 USD-$38.05 USD Sale price $76.95 USD -
Vendor:GROCO
GROCO 1-1/4" NPT x 1-1/4" ID Bronze Pipe to Hose Straight Fitting [PTH-1250]
Regular price $15.95 USDRegular price$24.00 USD-$8.05 USD Sale price $15.95 USD -
Vendor:Perko
Perko Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black Flange [1313DP0CHR]
Regular price $22.95 USDRegular price$35.93 USD-$12.98 USD Sale price $22.95 USD -
Vendor:Raritan
Raritan Diverter Y Valve w/Fittings [DV11]
Regular price $87.95 USDRegular price$120.00 USD-$32.05 USD Sale price $87.95 USD -
Vendor:Johnson Pump
Johnson Pump Bulkhead Fitting 3/4" Hose [09-10616]
Regular price $28.95 USDRegular price$48.87 USD-$19.92 USD Sale price $28.95 USD -
Vendor:Forespar Performance Products
Forespar Marelon Full-Flow Seacock 1" Mushroom Through-Hull [904044ABYC]
Regular price $95.95 USDRegular price$139.45 USD-$43.50 USD Sale price $95.95 USD -
Vendor:Perko
Perko Cover Bolt Complete Sizes 6 7 [0493DP799L]
Regular price $27.95 USDRegular price$44.04 USD-$16.09 USD Sale price $27.95 USD -
Vendor:Perko
Perko Spare Gas Cap w/O-Ring & Cable [1270DPG99A]
Regular price $19.95 USDRegular price$30.48 USD-$10.53 USD Sale price $19.95 USD -
Vendor:GROCO
GROCO Perforated Hull Strainer w/Access Door 2" Max Thru-Hull [APHS-2000-1]
Regular price $203.95 USDRegular price$306.00 USD-$102.05 USD Sale price $203.95 USD -
Vendor:GROCO
GROCO Bronze Slotted Hull Scoop Strainer w/Access Door f/Up to 3" Thru Hull [ASC-3000]
Regular price $329.95 USDRegular price$495.00 USD-$165.05 USD Sale price $329.95 USD -
Vendor:GROCO
GROCO 1/2" NPT x 3/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-500]
Regular price $7.95 USDRegular price$11.00 USD-$3.05 USD Sale price $7.95 USD -
Vendor:GROCO
GROCO 3/4" NPT x 3/4" ID Bronze Pipe to Hose Straight Fitting [PTH-750]
Regular price $6.95 USDRegular price$10.00 USD-$3.05 USD Sale price $6.95 USD -
Vendor:GROCO
GROCO 3/4" NPT x 1" Bronze Full Flow Pipe to Hose Straight Fitting [FF-750]
Regular price $9.95 USDRegular price$15.00 USD-$5.05 USD Sale price $9.95 USD