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.
-
-$23.05 USD
Vendor:GROCOGROCO Backing Block f/3/4" 1" Seacocks [BB-1]
Regular price $47.95 USDRegular price$71.00 USD-$23.05 USD Sale price $47.95 USD -
-$23.05 USD
Vendor:GROCOGROCO 3/4" NPT Bronze 3-Way Valve [TWV-750]
Regular price $45.95 USDRegular price$69.00 USD-$23.05 USD Sale price $45.95 USD -
-$46.05 USD
Vendor:GROCOGROCO 1/2" 4-Port Tank Selector Valve [FV-450-X]
Regular price $91.95 USDRegular price$138.00 USD-$46.05 USD Sale price $91.95 USD -
-$36.05 USD
Vendor:GROCOGROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]
Regular price $71.95 USDRegular price$108.00 USD-$36.05 USD Sale price $71.95 USD -
-$7.05 USD
Vendor:GROCOGROCO 1" NPT Bronze 45 Degree Pipe to 1" Hose [PTHD-1000]
Regular price $14.95 USDRegular price$22.00 USD-$7.05 USD Sale price $14.95 USD -
-$19.16 USD
Vendor:PerkoPerko 0543 Vented Fill f/1-1/2" Hose - Straight Neck - Gas - Black [0543DPGBLK]
Regular price $35.95 USDRegular price$55.11 USD-$19.16 USD Sale price $35.95 USD -
-$24.60 USD
Vendor:PerkoPerko 0540 Spare Cap w/Chain [0540DPG99A]
Regular price $47.95 USDRegular price$72.55 USD-$24.60 USD Sale price $47.95 USD -
-$42.05 USD
Vendor:RaritanRaritan Diverter Y Valve w/Fittings [DV11]
Regular price $97.95 USDRegular price$140.00 USD-$42.05 USD Sale price $97.95 USD -
-$26.30 USD
Vendor:Shurflo by PentairShurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]
Regular price $47.95 USDRegular price$74.25 USD-$26.30 USD Sale price $47.95 USD -
-$49.93 USD
Vendor:PerkoPerko Garboard Drain Plus w/Steel Wrench [0124000PLB]
Regular price $110.95 USDRegular price$160.88 USD-$49.93 USD Sale price $110.95 USD -
-$29.63 USD
Vendor:PerkoPerko 0540 Gas Fill/Vent f/1-1/2" Hose - Angled Neck [0540DPGCHR]
Regular price $54.95 USDRegular price$84.58 USD-$29.63 USD Sale price $54.95 USD -
-$7.04 USD
Vendor:T-H Marine SuppliesT-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]
Regular price $20.95 USDRegular price$27.99 USD-$7.04 USD Sale price $20.95 USD -
-$17.05 USD
Vendor:GROCOGROCO 3/4" NPT Bronze Inline Fuel Valve [FV-750]
Regular price $35.95 USDRegular price$53.00 USD-$17.05 USD Sale price $35.95 USD -
-$20.29 USD
Vendor:Johnson PumpJohnson Pump Bulkhead Fitting 3/4" Hose [09-10616]
Regular price $29.95 USDRegular price$50.24 USD-$20.29 USD Sale price $29.95 USD -
-$45.58 USD
Vendor:PerkoPerko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome [0591DPGCHR]
Regular price $85.95 USDRegular price$131.53 USD-$45.58 USD Sale price $85.95 USD -
-$29.63 USD
Vendor:PerkoPerko 0541Vented Fill f/1-1/2" Hose - Straight Neck - Gas [0541DPGCHR]
Regular price $54.95 USDRegular price$84.58 USD-$29.63 USD Sale price $54.95 USD