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 - 3/4" - Black [ILS-750-DP]
Regular price $18.95 USDRegular price$28.51 USD-$9.56 USD Sale price $18.95 USD -
Vendor:T-H Marine Supplies
T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]
Regular price $18.95 USDRegular price$28.51 USD-$9.56 USD Sale price $18.95 USD -
Vendor:Rule
Rule 1207R 1-1/8" Port - 90 Barb [1207R]
Regular price $15.95 USDRegular price$18.99 USD-$3.04 USD Sale price $15.95 USD -
Vendor:Rule
Rule Hose Adapter - 1-1/2" to 1-1/8" [67]
Regular price $10.95 USDRegular price$12.99 USD-$2.04 USD Sale price $10.95 USD -
Vendor:GROCO
GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1" Thru Hull [SC-1000]
Regular price $41.95 USDRegular price$62.00 USD-$20.05 USD Sale price $41.95 USD -
Vendor:GROCO
GROCO Garboard Drain w/Inside T-Handle Plug [TD-750]
Regular price $65.95 USDRegular price$99.00 USD-$33.05 USD Sale price $65.95 USD -
Vendor:GROCO
GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1-1/2" Thru Hull [SC-1500]
Regular price $87.95 USDRegular price$132.00 USD-$44.05 USD Sale price $87.95 USD -
Vendor:GROCO
GROCO Deck Scupper 90 Degree 1-1/2" Hose Connection [SCUS-1590]
Regular price $121.95 USDRegular price$182.00 USD-$60.05 USD Sale price $121.95 USD -
Vendor:GROCO
GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]
Regular price $975.95 USDRegular price$1,626.00 USD-$650.05 USD Sale price $975.95 USD -
Vendor:GROCO
GROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]
Regular price $183.95 USDRegular price$276.00 USD-$92.05 USD Sale price $183.95 USD -
Vendor:GROCO
GROCO 1-1/2" Hose Barb Stainless Straight Deck Drain [SCUS-1500]
Regular price $99.95 USDRegular price$149.00 USD-$49.05 USD Sale price $99.95 USD -
Vendor:GROCO
GROCO 1-1/2" Safety Seacock w/1-1/4" Side Port [SBV-1500-P]
Regular price $590.95 USDRegular price$984.00 USD-$393.05 USD Sale price $590.95 USD -
Vendor:GROCO
GROCO 3/4" NPT Bronze 3-Way Valve [TWV-750]
Regular price $43.95 USDRegular price$65.00 USD-$21.05 USD Sale price $43.95 USD -
Vendor:GROCO
GROCO Bronze Round Hull Strainer w/Access Door f/Up To 4" Thru-Hull [RSC-4000]
Regular price $369.95 USDRegular price$554.00 USD-$184.05 USD Sale price $369.95 USD -
Vendor:GROCO
GROCO Bronze Pipe Nipple - 1-1/2" NPT [PN-1500]
Regular price $23.95 USDRegular price$36.00 USD-$12.05 USD Sale price $23.95 USD -
Vendor:GROCO
GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]
Regular price $11.95 USDRegular price$18.00 USD-$6.05 USD Sale price $11.95 USD