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:T-H Marine Supplies
T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]
Regular price $18.95 USDRegular price$28.51 USD-$9.56 USD Sale price $18.95 USD -
Vendor:Perko
Perko 3-1/2" Round Bronze Strainer MADE IN THE USA [0086DP3PLB]
Regular price $18.95 USDRegular price$35.20 USD-$16.25 USD Sale price $18.95 USD -
Vendor:GROCO
GROCO 1/4" NPT Bronze Inline Fuel Valve [FV-250]
Regular price $17.95 USDRegular price$26.00 USD-$8.05 USD Sale price $17.95 USD -
Vendor:GROCO
GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]
Regular price $56.95 USDRegular price$85.00 USD-$28.05 USD Sale price $56.95 USD -
Vendor:GROCO
GROCO 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 -
Vendor:Perko
Perko 0590 Vented Fill f/1-1/2" Hose - Angled Neck - Chrome [0590DPGCHR]
Regular price $82.95 USDRegular price$131.53 USD-$48.58 USD Sale price $82.95 USD -
Vendor:Perko
Perko Gas Tank Vent w/Splash Guard - Chrome Plated Zinc - " Hose [0506DP4CHR]
Regular price $16.95 USDRegular price$26.32 USD-$9.37 USD Sale price $16.95 USD -
Vendor:GROCO
GROCO Bronze Clam Shell Style Hull Strainer f/Up To 2-1/2" Thru Hull [SC-2500-L]
Regular price $78.95 USDRegular price$118.00 USD-$39.05 USD Sale price $78.95 USD -
Vendor:GROCO
GROCO 1/2" NPT 90 Bronze Fuel Valve [FV-590]
Regular price $19.95 USDRegular price$30.00 USD-$10.05 USD Sale price $19.95 USD -
Vendor:GROCO
GROCO 1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1500]
Regular price $33.95 USDRegular price$50.00 USD-$16.05 USD Sale price $33.95 USD -
Vendor:Attwood Marine
Attwood 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 -
Vendor:GROCO
GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]
Regular price $96.95 USDRegular price$145.00 USD-$48.05 USD Sale price $96.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 1/2" NPT [PN-500]
Regular price $5.95 USDRegular price$9.00 USD-$3.05 USD Sale price $5.95 USD -
Vendor:GROCO
GROCO 1/2" NPT 90 Stainless Steel Fuel Valve [FV-590-S]
Regular price $31.95 USDRegular price$48.00 USD-$16.05 USD Sale price $31.95 USD -
Vendor:GROCO
GROCO 1/2" NPT x 1/2" or 5/8" ID Bronze Pipe to Hose Straight Fitting [PTH-5062]
Regular price $5.95 USDRegular price$9.00 USD-$3.05 USD Sale price $5.95 USD -
Vendor:GROCO
GROCO 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