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:Viega
Viega ProPress 1" Copper Tee - Triple Press Connection - Smart Connect Technology [77412]
Regular price $18.95 USDRegular price$28.50 USD-$9.55 USD Sale price $18.95 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: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: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: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 Garboard Drain w/Plug [TD-500]
Regular price $7.95 USDRegular price$12.00 USD-$4.05 USD Sale price $7.95 USD -
Vendor:GROCO
GROCO 3/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-750]
Regular price $55.95 USDRegular price$83.00 USD-$27.05 USD Sale price $55.95 USD -
Vendor:Beckson Marine
Beckson 1" Drain Plug Screw Type w/Gasket - Black [DP10-B]
Regular price $5.95 USDRegular price$7.15 USD-$1.20 USD Sale price $5.95 USD -
Vendor:GROCO
GROCO 1/2" 4-Way Tank Selector Kit [TS-350-T]
Regular price $177.95 USDRegular price$267.00 USD-$89.05 USD Sale price $177.95 USD -
Vendor:GROCO
GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]
Regular price $67.95 USDRegular price$102.00 USD-$34.05 USD Sale price $67.95 USD -
Vendor:Scandvik
Scandvik 3/8" BSP x 1/2" NPT - Brass [10002]
Regular price $15.95 USDRegular price$23.25 USD-$7.30 USD Sale price $15.95 USD -
Vendor:Jabsco
Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]
Regular price $7.95 USDRegular price$11.99 USD-$4.04 USD Sale price $7.95 USD -
Vendor:Viega
Viega MegaPress 316 FKM Reducer - 2" x 1-1/2" [91285]
Regular price $261.95 USDRegular price$381.02 USD-$119.07 USD Sale price $261.95 USD