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 2" NPT x 2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-2000]
Regular price $47.95 USDRegular price$72.00 USD-$24.05 USD Sale price $47.95 USD -
Vendor:GROCO
GROCO 1/2" NPT 90 Bronze Fuel Valve [FV-590]
Regular price $19.95 USDRegular price$30.00 USD-$10.05 USD Sale price $19.95 USD -
Vendor:GROCO
GROCO Deck Scupper 90 Degree 1-1/2" Hose Connection [SCUS-1590]
Regular price $121.95 USDRegular price$182.00 USD-$60.05 USD Sale price $121.95 USD -
Vendor:GROCO
GROCO 1/2" 5-Port Tank Selector Valve [FV-550-L]
Regular price $113.95 USDRegular price$171.00 USD-$57.05 USD Sale price $113.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]
Regular price $7.95 USDRegular price$11.00 USD-$3.05 USD Sale price $7.95 USD -
Vendor:GROCO
GROCO 1" NPT x 1" ID Bronze Pipe to Hose Straight Fitting [PTH-1000]
Regular price $9.95 USDRegular price$14.00 USD-$4.05 USD Sale price $9.95 USD -
Vendor:GROCO
GROCO 1" NPT Bronze In-Line Ball Valve [IBV-1000]
Regular price $47.95 USDRegular price$72.00 USD-$24.05 USD Sale price $47.95 USD -
Vendor:Perko
Perko Cover Bolt Complete Sizes 8, 9 10 [0493DP999L]
Regular price $34.95 USDRegular price$55.88 USD-$20.93 USD Sale price $34.95 USD -
Vendor:Rule
Rule 1207R 1-1/8" Port - 90 Barb [1207R]
Regular price $15.95 USDRegular price$18.99 USD-$3.04 USD Sale price $15.95 USD -
Vendor:Forespar Performance Products
Forespar Marelon Full-Flow Seacock 1-1/4" Mushroom Through-Hull [904045ABYC]
Regular price $116.95 USDRegular price$169.45 USD-$52.50 USD Sale price $116.95 USD -
Vendor:GROCO
GROCO 1-1/2" Hose Barb Stainless Straight Deck Drain [SCUS-1500]
Regular price $99.95 USDRegular price$149.00 USD-$49.05 USD Sale price $99.95 USD -
Vendor:GROCO
GROCO 1/2" 4-Port Tank Selector Valve [FV-450-X]
Regular price $90.95 USDRegular price$136.00 USD-$45.05 USD Sale price $90.95 USD -
Vendor:GROCO
GROCO 2" NPT Bronze In-Line Ball Valve [IBV-2000]
Regular price $162.95 USDRegular price$244.00 USD-$81.05 USD Sale price $162.95 USD -
Vendor:GROCO
GROCO 1-1/2" NPT Bronze In-Line Ball Valve [IBV-1500]
Regular price $91.95 USDRegular price$137.00 USD-$45.05 USD Sale price $91.95 USD -
Vendor:GROCO
GROCO 1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1500]
Regular price $33.95 USDRegular price$50.00 USD-$16.05 USD Sale price $33.95 USD -
Vendor:GROCO
GROCO Perforated Hull Strainer w/Access Door 3" Max Thru-Hull [APHS-3000-1]
Regular price $353.95 USDRegular price$531.00 USD-$177.05 USD Sale price $353.95 USD