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:Perko
Perko 3/4" Pipe to Hose Adapter Straight Bronze MADE IN THE USA [0076DP5PLB]
Regular price $11.95 USDRegular price$19.15 USD-$7.20 USD Sale price $11.95 USD -
Vendor:Forespar Performance Products
Forespar Marelon Full-Flow Seacock 3/4" Mushroom Through-Hull [904043ABYC]
Regular price $80.95 USDRegular price$117.45 USD-$36.50 USD Sale price $80.95 USD -
Vendor:Perko
Perko 3/4" Seacock Ball Valve Bronze MADE IN THE USA [0805005PLB]
Regular price $122.95 USDRegular price$292.81 USD-$169.86 USD Sale price $122.95 USD -
Vendor:GROCO
GROCO 3" Full Flow Ball Valve [FBV-3000]
Regular price $499.95 USDRegular price$750.00 USD-$250.05 USD Sale price $499.95 USD -
Vendor:GROCO
GROCO 2-1/2" NPT Bronze 45 Degree Pipe to 2-1/2" Hose [PTHD-2500]
Regular price $77.95 USDRegular price$117.00 USD-$39.05 USD Sale price $77.95 USD -
Vendor:GROCO
GROCO 1/2" NPT Bronze Inline Fuel Valve [FV-500]
Regular price $27.95 USDRegular price$41.00 USD-$13.05 USD Sale price $27.95 USD -
Vendor:Perko
Perko 1-1/2 Pipe To Hose Adapter Straight Bronze MADE IN THE USA [0076DP8PLB]
Regular price $30.95 USDRegular price$49.59 USD-$18.64 USD Sale price $30.95 USD -
Vendor:Shurflo by Pentair
Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Gel White [183-029-18]
Regular price $41.95 USDRegular price$55.31 USD-$13.36 USD Sale price $41.95 USD -
Vendor:Viega
Viega MegaPress 316 FKM MPT Adapter - 1" x 1" (MPT) [91220]
Regular price $102.95 USDRegular price$149.62 USD-$46.67 USD Sale price $102.95 USD -
Vendor:Viega
Viega MegaPress 316 FKM 1" Union [91935]
Regular price $463.95 USDRegular price$675.57 USD-$211.62 USD Sale price $463.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 2" NPT [PN-2000]
Regular price $33.95 USDRegular price$51.00 USD-$17.05 USD Sale price $33.95 USD -
Vendor:GROCO
GROCO 1-1/4" NPT x 1-1/2" Bronze Full Flow Pipe to Hose Straight Fitting [FF-1250]
Regular price $19.95 USDRegular price$29.00 USD-$9.05 USD Sale price $19.95 USD -
Vendor:Perko
Perko 3/4" Pipe To Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP5PLB]
Regular price $17.95 USDRegular price$31.73 USD-$13.78 USD Sale price $17.95 USD -
Vendor:Perko
Perko 1-1/2" Seacock Ball Valve Bronze MADE IN THE USA [0805008PLB]
Regular price $261.95 USDRegular price$580.12 USD-$318.17 USD Sale price $261.95 USD -
Vendor:Forespar Performance Products
Forespar Marelon Full-Flow Seacock 1/2" Mushroom Through-Hull [904042ABYC]
Regular price $77.95 USDRegular price$112.45 USD-$34.50 USD Sale price $77.95 USD -
Vendor:GROCO
GROCO Garboard Drain w/Plug [TD-500]
Regular price $7.95 USDRegular price$12.00 USD-$4.05 USD Sale price $7.95 USD