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:Perko
Perko Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills [1324DP0BLK]
Regular price $32.95 USDRegular price$52.22 USD-$19.27 USD Sale price $32.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]
Regular price $82.95 USDRegular price$124.00 USD-$41.05 USD Sale price $82.95 USD -
Vendor:GROCO
GROCO 1-1/2" Bronze NPS to NPT Flange Adapter [IBVF-1500]
Regular price $64.95 USDRegular price$97.00 USD-$32.05 USD Sale price $64.95 USD -
Vendor:GROCO
GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]
Regular price $231.95 USDRegular price$347.00 USD-$115.05 USD Sale price $231.95 USD -
Vendor:GROCO
GROCO 1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1250-S]
Regular price $19.95 USDRegular price$30.00 USD-$10.05 USD Sale price $19.95 USD -
Vendor:GROCO
GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1-1/2" Thru Hull [SC-1500-L]
Regular price $43.95 USDRegular price$65.00 USD-$21.05 USD Sale price $43.95 USD -
Vendor:Perko
Perko 0540 Gas Fill/Vent f/1-1/2" Hose - Angled Neck [0540DPGCHR]
Regular price $52.95 USDRegular price$84.58 USD-$31.63 USD Sale price $52.95 USD -
Vendor:GROCO
GROCO 1/2" NPT Bronze 3-Way Valve [TWV-500]
Regular price $34.95 USDRegular price$52.00 USD-$17.05 USD Sale price $34.95 USD -
Vendor:Dometic
Dometic MSD Fitting f/Small Tank 970 Series [385320006]
Regular price $25.95 USDRegular price$28.99 USD-$3.04 USD Sale price $25.95 USD -
Vendor:Perko
Perko 1-1/4" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP7PLB]
Regular price $31.95 USDRegular price$66.58 USD-$34.63 USD Sale price $31.95 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: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