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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-$7.05 USD
Vendor:GROCOGROCO 1-1/4" NPT x 1-1/8" ID Bronze Pipe to Hose Straight Fitting [PTH-1125]
Regular price $14.95 USDRegular price$22.00 USD-$7.05 USD Sale price $14.95 USD -
-$10.05 USD
Vendor:GROCOGROCO 1-1/2" NPT x 1-1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-1500]
Regular price $20.95 USDRegular price$31.00 USD-$10.05 USD Sale price $20.95 USD -
-$28.05 USD
Vendor:GROCOGROCO 1" #316 Stainless Steel NPS to NPT Flange Adapter [IBVF-1000-S]
Regular price $57.95 USDRegular price$86.00 USD-$28.05 USD Sale price $57.95 USD -
-$20.05 USD
Vendor:GROCOGROCO 1-1/4" NPT x 1-1/2" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1250]
Regular price $39.95 USDRegular price$60.00 USD-$20.05 USD Sale price $39.95 USD -
-$8.05 USD
Vendor:GROCOGROCO 3/8" NPT Bronze In-Line Ball Valve [IBV-375]
Regular price $16.95 USDRegular price$25.00 USD-$8.05 USD Sale price $16.95 USD -
-$19.05 USD
Vendor:GROCOGROCO 1/4" NPT #316 Stainless Steel In-Line Ball Valve [IBV-250-S]
Regular price $37.95 USDRegular price$57.00 USD-$19.05 USD Sale price $37.95 USD -
-$22.05 USD
Vendor:GROCOGROCO 1" Bronze NPS to NPT Flange Adapter [IBVF-1000]
Regular price $43.95 USDRegular price$66.00 USD-$22.05 USD Sale price $43.95 USD -
-$45.05 USD
Vendor:GROCOGROCO 1-1/4" NPT Stainless Steel In-Line Ball Valve [IBV-1250-S]
Regular price $89.95 USDRegular price$135.00 USD-$45.05 USD Sale price $89.95 USD -
-$11.05 USD
Vendor:GROCOGROCO 1-1/4" NPT x 1-1/8" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1125]
Regular price $21.95 USDRegular price$33.00 USD-$11.05 USD Sale price $21.95 USD -
-$5.05 USD
Vendor:GROCOGROCO 1/2" Bronze Pipe Nipple Check Valve [PNC-500]
Regular price $11.95 USDRegular price$17.00 USD-$5.05 USD Sale price $11.95 USD -
-$28.05 USD
Vendor:GROCOGROCO 2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-2000]
Regular price $57.95 USDRegular price$86.00 USD-$28.05 USD Sale price $57.95 USD -
-$29.05 USD
Vendor:GROCOGROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2]
Regular price $59.95 USDRegular price$89.00 USD-$29.05 USD Sale price $59.95 USD -
-$12.05 USD
Vendor:GROCOGROCO 1-1/2" NPT x 1-3/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-1500]
Regular price $24.95 USDRegular price$37.00 USD-$12.05 USD Sale price $24.95 USD -
-$11.69 USD
Vendor:PerkoPerko Vented Flip Top Cap f/Fills with 1-1/2" Hose - Black [0795DP0BLK]
Regular price $33.95 USDRegular price$45.64 USD-$11.69 USD Sale price $33.95 USD -
-$22.63 USD
Vendor:PerkoPerko 0541Vented Fill f/1-1/2" Hose - Straight Neck - Gas [0541DPGCHR]
Regular price $61.95 USDRegular price$84.58 USD-$22.63 USD Sale price $61.95 USD -
-$14.16 USD
Vendor:PerkoPerko 0542 Vented Fill f/1-1/2" Hose - Angled Neck - Gas - Black [0542DPGBLK]
Regular price $40.95 USDRegular price$55.11 USD-$14.16 USD Sale price $40.95 USD