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" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1500]
Regular price $127.95 USDRegular price$192.00 USD-$64.05 USD Sale price $127.95 USD -
Vendor:GROCO
GROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]
Regular price $16.95 USDRegular price$25.00 USD-$8.05 USD Sale price $16.95 USD -
Vendor:GROCO
GROCO 1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-500]
Regular price $5.95 USDRegular price$8.00 USD-$2.05 USD Sale price $5.95 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 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 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 1/2" 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: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: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