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 Flush Pro Valve - 1-1/4" [0456DP7]
Regular price $115.95 USDRegular price$164.97 USD-$49.02 USD Sale price $115.95 USD -
Vendor:T-H Marine Supplies
T-H Marine Large Rectangular Scupper - White [LRS-2-DP]
Regular price $12.95 USDRegular price$17.35 USD-$4.40 USD Sale price $12.95 USD -
Vendor:Shurflo by Pentair
Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Chrome [183-029-14]
Regular price $50.95 USDRegular price$67.38 USD-$16.43 USD Sale price $50.95 USD -
Vendor:Dometic
Dometic MSD Fitting f/Large Tank 970 Series Toilets [385320007]
Regular price $25.95 USDRegular price$28.99 USD-$3.04 USD Sale price $25.95 USD -
Vendor:Forespar Performance Products
Forespar Marelon Full-Flow Seacock 1-1/2" Mushroom Through-Hull [904046ABYC]
Regular price $123.95 USDRegular price$179.45 USD-$55.50 USD Sale price $123.95 USD -
Vendor:Perko
Perko 2" Seacock Ball Valve Bronze MADE IN THE USA [0805009PLB]
Regular price $448.95 USDRegular price$929.28 USD-$480.33 USD Sale price $448.95 USD -
Vendor:Beckson Marine
Beckson Pontoon 15" Pump - Hose Solid Separately [315FPX]
Regular price $42.95 USDRegular price$57.95 USD-$15.00 USD Sale price $42.95 USD -
Vendor:Beckson Marine
Beckson 4" x 14" Port Gasket [GK-414]
Regular price $11.95 USDRegular price$15.40 USD-$3.45 USD Sale price $11.95 USD -
Vendor:Albin Group
Albin Group Solenoid Valve - 12V [07-66-035]
Regular price $28.95 USDRegular price$38.91 USD-$9.96 USD Sale price $28.95 USD -
Vendor:Dometic
Dometic O-Ring S/T Pump Kit [385310151]
Regular price $25.95 USDRegular price$28.99 USD-$3.04 USD Sale price $25.95 USD -
Vendor:Perko
Perko Spare Cap f/1313 Gas Fill [0126DP0BLK]
Regular price $11.95 USDRegular price$16.94 USD-$4.99 USD Sale price $11.95 USD -
Vendor:Viega
Viega MegaPress 316 FKM 1" Coupling w/Stop [91110]
Regular price $86.95 USDRegular price$126.65 USD-$39.70 USD Sale price $86.95 USD -
Vendor:Viega
Viega MegaPress 316 FKM FPT Adapter - 1" x 1" (FPT) [91250]
Regular price $144.95 USDRegular price$210.37 USD-$65.42 USD Sale price $144.95 USD -
Vendor:Perko
Perko Cover Bolt Complete Sizes 4 5 [0493DP599L]
Regular price $24.95 USDRegular price$39.41 USD-$14.46 USD Sale price $24.95 USD -
Vendor:Perko
Perko Flush Pro Valve - 5/8" [0456DP4]
Regular price $115.95 USDRegular price$164.97 USD-$49.02 USD Sale price $115.95 USD -
Vendor:Perko
Perko 0543 Vented Fill f/1-1/2" Hose - Straight Neck - Gas - Black [0543DPGBLK]
Regular price $34.95 USDRegular price$55.11 USD-$20.16 USD Sale price $34.95 USD