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      Thru Hull Fittings & Strainers

      • Shurflo Fresh Water Swivel Nut Strainer 1/2"
        $20.49

        Shurflo Fresh Water Swivel Nut Strainer 1/2" Barb Inlet Shurflo Fresh Water Strainers eliminate unnecessary repairs by keeping debris and other particles out of the pump. The clean and clear transparent design makes it easy to see when it is time to...

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      • Shurflo Twist-On Strainer - 1/2" Barb
        $15.99

        Shurflo Twist-On Strainer - 1/2" Barb Clean, clear economical strainers eliminate unnecessary repairs by keeping debris and other particles out of the pump. Screws directly on the pumphead. Transparent design shows when it is time to clean the bowl...

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      • Whitecap Duplex Stainless Steel Thru-Hull w/ Barb
        $33.34
        $28.99

        Whitecap Duplex Stainless Steel Thru-Hull w/ Barb The Whitecap Duplex Stainless Steel Thru-Hull is available in a variety of sizes to fit a wide range of boats and applications. These Thru-Hulls are constructed of durable stainless still that is more...

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      • T-H Marine Scupper Repair Kit
        $15.49
        $8.99

        T-H Marine Scupper Repair Kit The Scupper Repair Kit from T-H Marine is perfect for repalacing your leaking or deformed rubber flappers. Constructed of thermoplastic elastomer, the replacement flappers will not curl or deform with age and are UV...

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      • Whitecap Nylon Straight Thru-Hull w/ Barb
        $14.94
        $12.99

        Whitecap Nylon Straight Thru-Hull Fitting w/ Barb Whitecap Nylon Thru-Hull Fittings are constructed of high quality nylon and 316 stainless steel. These thru-hulls include a barb. Whitecap Thru-Hulls are available in a wide range of sizes. See...

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      • Groco SC1500-L Shell Hull Strainer
        $66.49
        $31.49

        Groco SC1500-L Shell Hull Strainer The Groco Shell Hull Strainer features a durable bronze body and door. Caster filter slots along with pressure relief holes in the door casing. For up to 1-1/2" thru hull Does not include mount ring

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      • Perko 493DP799M Cork Gasket Kit
        $29.99
        $13.99

        Perko 493DP799M Cork Gasket Kit The Perko Cork Gasket kit is designed for use with Perko 0493 #6 & #7 water strainers. Includes: Cover Gasket Qty 1 Cylinder Gasket Qty 2

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      • Groco HVL Bronze Vented Loop for Hose Connections
        $280.99
        $131.99

        Groco HVL Bronze Vented Loop for Hose Connections The Groco HVL Vented Loop allows air to enter to break siphon, but does not permit air and odors to escape. This series of vented loops assures clog-free, anti-siphon protection for sanitation or engine...

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      • Johnson Pump 09-24653-02-CN Inlet Strainer - Front View
        $27.99
        $20.49

        Johnson Pump 09-24653-02-CN Inlet Strainer The Johnson Pump Inlet strainer is designed to work with a Water Pressure System to protect the pump from debris. For use at the inlet side of a pump in the water pressure system and was down pumps in SPX...

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      • T&H Marine "T" Fittings
        $4.59
        $3.99

        Our manifold system is adaptable to many applications.  The wide range of fittings available allow the boat builder or consumer to plumb many varying outlets to one drain, or one source to many outputs.  These molded manifold parts do not need electrical...

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      • Gen3 Marine Stainless Steel Thru-Hull Fitting
        $21.49
        $17.99

        Gen3 Marine Stainless Steel Thru-Hull Fitting The Gen3 Marine Thru-Hull Fitting is constructed of durable stainless steel and has a straight thread. The mirror-polish stainless steel instantly upgrades any vessel with a clean look and tong-term...

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      • Groco Full Flow Pipe To Hose Bronze Fitting
        $18.49
        $9.99

        Groco Full Flow Pipe To Hose Bronze Fitting The Groco pipe to hose fittings are made of C83600 Bronze for full flow and corrosion resistance. Product Features: UL Listed 647B 1" NPT 1-1/8" Hose ID

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      • Raritan Raw Water Strainer
        $210.00
        $160.99

        Raw Water StrainerThe Raritan Raw Water Strainer is an inexpensive way to protect your engine, generators, AC units and other equipment that requires outside water from dangerous debris. Each Raritan unit is pressure tested at the factory...

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      • Johnson Pump 09-24652-02-CN Universal Strainer - Front View
        $27.99
        $20.49

        Johnson Pump 09-24652-02-CN Universal Strainer The Johnson Pump Universal strainer is designed to work with a Water Pressure System to protect the pump from debris. Can be used in any pump system of relevant flow size. Able to me mounted between the...

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      • Perko Adjustable Thru-Hull Scupper
        $48.99
        $36.99

        Perko Adjustable Thru-Hull Scupper Made from molded white polymer, this adjustable thru-hull scupper from Perko is exactly what you need for your boat! It has a recessed soft black flipper to prevent back wash, and is designed for surface thickness...

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      • Garmin B60 600W Tilted Element 20 Degree - 8-Pin
        $324.99
        $304.99

        B60 600W Tilted Element - 8-PinGarmin's bronze, thru-hull mount transducer with 20° tilt provides depth and temperature data. Garmin's transducer has an operating frequency of 50 or 200 kHz and mounts on a 16-24° deadrise angle.WARNING: This...

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      • Garmin GT15M-IH Plastic, In-Hull, Mid-Band CHIRP Transducer - 85-165kHz, 600W, 8-Pin
        $199.99
        $187.99

        GT15M-IH Plastic, In-Hull, Mid-Band CHIRP Transducer - 85-165kHz, 600W, 8-PinGT15M-IH transducer is ideal for boats that want to install the transducer inside a fiberglass hull and not on the transom where cavitation could cause issues. It can be used...

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      Marine Thru Hull Fittings and Strainers

      Scoop strainers are designed to prevent debris from entering and clogging your cooling system, while marine thru hull fittings connect plumbing or fuel hoses from the interior to the exterior. These may not be expensive boat parts, but they are very important. That’s because thru hull fittings/strainers ensure that water does not breach your boat’s infrastructure. Many a craft has been scuttled for lack of a water-tight fitting, so be sure to maintain your boat’s fittings and strainers with reliable replacement parts from Wholesale Marine.

      Wholesale Marine carries thru hull fittings and strainers by Attwood, Garmin, >Groco, Johnson Pump, Shurflo, T&H Marine, and Whale Marine. For years of efficient service, we recommend Groco’s Tri-Flanged Ball-Type Seacock. It features a patented field reversible handle with a choice of closed position options, and will accept standard ratchets.

      For Great Prices and Selection, Shop Wholesale Marine!

      T&H Marine’s Inline Check Valve is available in three sizes to accommodate the most common standard cockpit and hull exterior fittings. This inline scupper was designed for use above the waterline, while Attwood’s Stainless Steel Straight Barbed Thru-Hull Fitting is also available in three sizes, and designed for a long service life!

      Wholesale Marine carries everything our customers need for their boating life at very competitive prices. This includes marine thru-hull fittings and strainers.So, if you have a question about our product selection, or wish to place an order, just call us Monday through Friday, from 9:00 AM until 6:00 PM, EST, at (877) 388-2628. Most orders ship the same day, for a flat rate. Be sure to ask about our Captain’s Club Rewards program for additional discounts the next time you shop with us.