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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-$6.69 USD
Vendor:PerkoPerko Gas Tank Vent w/Swivel Elbow - Chrome/Black [0561DP4CHR]
Regular price $20.95 USDRegular price$27.64 USD-$6.69 USD Sale price $20.95 USD -
-$103.05 USD
Vendor:GROCOGROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]
Regular price $207.95 USDRegular price$311.00 USD-$103.05 USD Sale price $207.95 USD -
-$34.05 USD
Vendor:GROCOGROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]
Regular price $69.95 USDRegular price$104.00 USD-$34.05 USD Sale price $69.95 USD -
-$22.05 USD
Vendor:GROCOGROCO Bronze Pipe Nipple - 2-1/2" NPT [PN-2500]
Regular price $44.95 USDRegular price$67.00 USD-$22.05 USD Sale price $44.95 USD -
-$92.05 USD
Vendor:GROCOGROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]
Regular price $183.95 USDRegular price$276.00 USD-$92.05 USD Sale price $183.95 USD -
-$8.05 USD
Vendor:GROCOGROCO 3/4" NPT x 1" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-750]
Regular price $16.95 USDRegular price$25.00 USD-$8.05 USD Sale price $16.95 USD -
-$38.05 USD
Vendor:GROCOGROCO 1" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1000]
Regular price $76.95 USDRegular price$115.00 USD-$38.05 USD Sale price $76.95 USD -
-$8.05 USD
Vendor:GROCOGROCO 1-1/4" NPT x 1-1/4" ID Bronze Pipe to Hose Straight Fitting [PTH-1250]
Regular price $15.95 USDRegular price$24.00 USD-$8.05 USD Sale price $15.95 USD -
-$8.98 USD
Vendor:PerkoPerko Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black Flange [1313DP0CHR]
Regular price $26.95 USDRegular price$35.93 USD-$8.98 USD Sale price $26.95 USD -
-$32.05 USD
Vendor:RaritanRaritan Diverter Y Valve w/Fittings [DV11]
Regular price $87.95 USDRegular price$120.00 USD-$32.05 USD Sale price $87.95 USD -
-$43.50 USD
Vendor:Forespar Performance ProductsForespar 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 -
-$13.09 USD
Vendor:PerkoPerko Cover Bolt Complete Sizes 6 7 [0493DP799L]
Regular price $30.95 USDRegular price$44.04 USD-$13.09 USD Sale price $30.95 USD -
-$5.05 USD
Vendor:GROCOGROCO 3/4" NPT x 1" Bronze Full Flow Pipe to Hose Straight Fitting [FF-750]
Regular price $9.95 USDRegular price$15.00 USD-$5.05 USD Sale price $9.95 USD -
-$13.05 USD
Vendor:GROCOGROCO 3/4" NPT Bronze In-Line Ball Valve [IBV-750]
Regular price $25.95 USDRegular price$39.00 USD-$13.05 USD Sale price $25.95 USD -
-$5.05 USD
Vendor:GROCOGROCO 3/4" NPT x 3/4" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-750]
Regular price $10.95 USDRegular price$16.00 USD-$5.05 USD Sale price $10.95 USD -
-$17.50 USD
Vendor:PerkoPerko 0582 Style Replacement Cap w/Inserts [0582DPS99A]
Regular price $56.95 USDRegular price$74.45 USD-$17.50 USD Sale price $56.95 USD