Fittings

Make the connection. Build a dependable onboard plumbing system.

Shop marine hose fittings, boat plumbing fittings, hose barbs, elbows, tees, adapters, couplings, reducers, threaded fittings, quick-connect fittings and plumbing connectors for sailboats, powerboats, fishing boats, pontoons, cruisers, yachts and other marine applications.

Connect the system. Keep it flowing. Adventure Starts Here.

264 products

  • GROCO 12 NPT x 12 ID Bronze Pipe to Hose Straight Fitting PTH500
    GROCO 12 NPT x 12 ID Bronze Pipe to Hose Straight Fitting PTH500
    Save $0.01 USD
    GROCO

    GROCO 1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-500]

    $8.99 USD
    $8.99 USD $9.00 USD

    1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 5" Standard Flow UL Listed...
  • GROCO 6Port NPT Bronze Fuel Valve 12 Main 38 Return FV65038
    GROCO 6Port NPT Bronze Fuel Valve 12 Main 38 Return FV65038
    Save $66.01 USD
    GROCO

    GROCO 6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" Return [FV-65038]

    $232.99 USD
    $232.99 USD $299.00 USD

    6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" ReturnFeatures: "L" Flow Pattern Mount feet included C84400 bronze construction Both 1/2" main 3/8" return and 1"...
  • TH Marine Large Rectangular Scupper White LRS2DP
    TH Marine Large Rectangular Scupper White LRS2DP
    T-H Marine Supplies

    T-H Marine Large Rectangular Scupper - White [LRS-2-DP]

    $17.99 USD
    $17.99 USD $0.00 USD

    Large Rectangular Scupper - WhiteThis large rectangular scupper is made for quickly draining decks above the waterline. Features: Can quickly drain decks Made for decks above the...
  • GROCO 1 Bronze NPS to NPT Flange Adapter IBVF1000
    GROCO 1 Bronze NPS to NPT Flange Adapter IBVF1000
    Save $8.01 USD
    GROCO

    GROCO 1" Bronze NPS to NPT Flange Adapter [IBVF-1000]

    $69.99 USD
    $69.99 USD $78.00 USD

    1" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several common problems in the marine industry.  Features:   Eliminate dangerous thread...
  • Whitecap CP Brass Sillcock 158 Base 3316 Depth P2452C
    Whitecap CP Brass Sillcock 158 Base 3316 Depth P2452C
    Whitecap

    Whitecap C.P. Brass Sillcock 1-5/8" Base 3-3/16 Depth [P-2452C]

    $47.49 USD
    $47.49 USD $0.00 USD

    Description - C.P. Brass Raw Water Washdown Base diameter- 1-5/8" Depth - 3-3/16" Threads - 1/2" FIPT x 3/4" Fastener - #6 (2)WARNING: This product can...
  • GROCO 112 NPT Bronze InLine Ball Valve IBV1500
    GROCO 112 NPT Bronze InLine Ball Valve IBV1500
    Save $26.01 USD
    GROCO

    GROCO 1-1/2" NPT Bronze In-Line Ball Valve [IBV-1500]

    $134.99 USD
    $134.99 USD $161.00 USD

    1-1/2" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with the valve in...
  • Perko 0582 Style Replacement Cap wInserts 0582DPS99A
    Perko 0582 Style Replacement Cap wInserts 0582DPS99A
    Save $6.46 USD
    Perko

    Perko 0582 Style Replacement Cap w/Inserts [0582DPS99A]

    $67.99 USD
    $67.99 USD $74.45 USD

    0582 Style Replacement Cap with Inserts Replacement cap for fuel systems. Includes inserts - Gas - Diesel - Water Features: Scalloped Stainless Steel vented cap complete with O-Ring The...
  • Perko Flush Pro Valve 114 0456DP7
    Perko Flush Pro Valve 114 0456DP7
    Save $13.98 USD
    Perko

    Perko Flush Pro Valve - 1-1/4" [0456DP7]

    $150.99 USD
    $150.99 USD $164.97 USD

    Flush Pro Valve - 1-1/4"Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel Spring Flush your boat engine...
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