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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-$36.50 USD
Vendor:Forespar Performance ProductsForespar Marelon Full-Flow Seacock 3/4" Mushroom Through-Hull [904043ABYC]
Regular price $80.95 USDRegular price$117.45 USD-$36.50 USD Sale price $80.95 USD -
-$52.50 USD
Vendor:Forespar Performance ProductsForespar 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 -
-$41.05 USD
Vendor:GROCOGROCO Bronze Pipe Nipple - 3" NPT [PN-3000]
Regular price $82.95 USDRegular price$124.00 USD-$41.05 USD Sale price $82.95 USD -
-$9.04 USD
Vendor:Attwood MarineAttwood Stainless Steel Garboard Drain Plug - 7/8" Diameter [7557-7]
Regular price $28.95 USDRegular price$37.99 USD-$9.04 USD Sale price $28.95 USD -
-$188.05 USD
Vendor:GROCOGROCO 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 -
-$28.05 USD
Vendor:GROCOGROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]
Regular price $55.95 USDRegular price$84.00 USD-$28.05 USD Sale price $55.95 USD -
-$5.05 USD
Vendor:GROCOGROCO 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 -
-$17.08 USD
Vendor:WhitecapWhitecap C.P. Brass Outlet 2-3/4" Base 1" Depth [P-2454C]
Regular price $27.95 USDRegular price$45.03 USD-$17.08 USD Sale price $27.95 USD -
-$7.53 USD
Vendor:PerkoPerko Spare Gas Cap w/O-Ring & Cable [1270DPG99A]
Regular price $22.95 USDRegular price$30.48 USD-$7.53 USD Sale price $22.95 USD -
-$6.37 USD
Vendor:PerkoPerko Gas Tank Vent w/Splash Guard - Chrome Plated Zinc - " Hose [0506DP4CHR]
Regular price $19.95 USDRegular price$26.32 USD-$6.37 USD Sale price $19.95 USD -
-$24.84 USD
Vendor:PerkoPerko Garboard Drain & Drain Plug Assy Cast Bronze/Brass MADE IN THE USA [0714DP1PLB]
Regular price $28.95 USDRegular price$53.79 USD-$24.84 USD Sale price $28.95 USD -
-$5.45 USD
Vendor:Beckson MarineBeckson 4" x 14" Port Gasket [GK-414]
Regular price $11.95 USDRegular price$17.40 USD-$5.45 USD Sale price $11.95 USD -
-$12.05 USD
Vendor:GROCOGROCO 3/4" Bronze In-Line Check Valve [CV-75]
Regular price $24.95 USDRegular price$37.00 USD-$12.05 USD Sale price $24.95 USD -
-$4.05 USD
Vendor:GROCOGROCO 1" NPT x 1" ID Bronze Pipe to Hose Straight Fitting [PTH-1000]
Regular price $9.95 USDRegular price$14.00 USD-$4.05 USD Sale price $9.95 USD -
-$3.04 USD
Vendor:DometicDometic O-Ring S/T Pump Kit [385310151]
Regular price $25.95 USDRegular price$28.99 USD-$3.04 USD Sale price $25.95 USD -
-$74.74 USD
Vendor:PerkoPerko Flush Pro Valve Kit - 1-1/4" [0457DP7]
Regular price $201.95 USDRegular price$276.69 USD-$74.74 USD Sale price $201.95 USD