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:Shurflo by Pentair
Shurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]
Regular price $39.95 USDRegular price$60.76 USD-$20.81 USD Sale price $39.95 USD -
Vendor:Perko
Perko 1" Seacock Ball Valve Bronze MADE IN THE USA [0805006PLB]
Regular price $168.95 USDRegular price$364.39 USD-$195.44 USD Sale price $168.95 USD -
Vendor:Perko
Perko Water Inlet Fitting w/Plug [0499DP0CHR]
Regular price $100.95 USDRegular price$171.25 USD-$70.30 USD Sale price $100.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 1" NPT [PN-1000]
Regular price $12.95 USDRegular price$19.00 USD-$6.05 USD Sale price $12.95 USD -
Vendor:GROCO
GROCO 2" NPT Bronze 45 Degree Pipe to 2" Hose [PTHD-2000]
Regular price $42.95 USDRegular price$64.00 USD-$21.05 USD Sale price $42.95 USD -
Vendor:GROCO
GROCO 3/4" NPT x 3/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-750-S]
Regular price $11.95 USDRegular price$17.00 USD-$5.05 USD Sale price $11.95 USD -
Vendor:GROCO
GROCO 1-1/2"" NPT x 1-1/2" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1500-S]
Regular price $25.95 USDRegular price$38.00 USD-$12.05 USD Sale price $25.95 USD -
Vendor:GROCO
GROCO 1/2" NPT Bronze In-Line Ball Valve [IBV-500]
Regular price $22.95 USDRegular price$34.00 USD-$11.05 USD Sale price $22.95 USD -
Vendor:GROCO
GROCO Backing Block f/3/4" 1" Seacocks [BB-1]
Regular price $46.95 USDRegular price$70.00 USD-$23.05 USD Sale price $46.95 USD -
Vendor:T-H Marine Supplies
TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]
Regular price $11.95 USDRegular price$17.19 USD-$5.24 USD Sale price $11.95 USD -
Vendor:Viega
Viega MegaPress 316 FKM 1" 90 Degree Elbow [91705]
Regular price $164.95 USDRegular price$239.90 USD-$74.95 USD Sale price $164.95 USD -
Vendor:Viega
Viega MegaPress 1" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology [88390]
Regular price $60.95 USDRegular price$81.70 USD-$20.75 USD Sale price $60.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]
Regular price $7.95 USDRegular price$11.00 USD-$3.05 USD Sale price $7.95 USD -
Vendor:GROCO
GROCO 3/8" NPT Bronze Inline Fuel Valve [FV-375]
Regular price $17.95 USDRegular price$26.00 USD-$8.05 USD Sale price $17.95 USD -
Vendor:GROCO
GROCO 2-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2500]
Regular price $376.95 USDRegular price$565.00 USD-$188.05 USD Sale price $376.95 USD -
Vendor:GROCO
GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]
Regular price $103.95 USDRegular price$155.00 USD-$51.05 USD Sale price $103.95 USD