First Choice Marine - Thru-Hull Fittings

Stainless Straight Thru-Hulls, Barbed, standard length 1 1/8" I.D. hose

Polish your image with the new Standard Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 2" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish al.... learn more

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24Regular Price: $28.99
On Sale For: $21.91
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Stainless Straight Thru-Hulls, Barbed, short length 1 1/2" I.D. hose

Polish your image with the new Short Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 5/8" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish a.... learn more

3-7 Days

23Regular Price: $39.99
On Sale For: $30.66
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90° stainless steel Thru-Hull barbed 1-1/8" 66579

New 90° thru-hull. Allows installation in specially tight spacesHose Size : 1-1/8"Flange dia: 2-1/4"Thread O.D.: 1-3/8"Thread Length: 1-7/8"Barb Length: 3/4"Total Length: 4-3/8"Installation Hole Saw Size: 1-5/8"Threads NPSM: 1"Max. Hull Thickness: 1-1/4".... learn more

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23Regular Price: $38.99
On Sale For: $29.90
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Stainless Straight Thru-Hulls, Barbed, short length 3/4" I.D. hose

Polish your image with the new Short Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 5/8" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish a.... learn more

Available

26Regular Price: $19.99
On Sale For: $14.73
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90° Thru-Hull Connector for 3/4" I.D. hose

90° thru-hulls are ideal for tight installations, such as livewell overflow drains. Design eliminates hose kinking. Polypropylene construction. Accommodates 7533A (1/2") bailer plug. For 3/4" I.D. hose, 1" max hull thickness, 1 1/2" flange diameter, 1" installation hole size.... learn more

3-7 Days

19Regular Price: $4.56
On Sale For: $3.71
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Stainless Straight Thru-Hulls, Barbed, short length 1" I.D. hose

Polish your image with the new Short Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 5/8" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish a.... learn more

Available

24Regular Price: $22.99
On Sale For: $17.42
You Save $5.57

Stainless Straight Thru-Hulls, Barbed, standard length 3/4" I.D. hose

Polish your image with the new Standard Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 2" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish al.... learn more

Available

25Regular Price: $20.99
On Sale For: $15.71
You Save $5.28

Seasense Thru-Hull Fitting 1-1/8" 50010218

High impact, white, corrosion proof nylon thru-hull fitting. For use above water-line only..... learn more

3-7 Days

49Regular Price: $2.99
On Sale For: $1.53
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Stainless Straight Thru-Hulls, Barbed, standard length 1" I.D. hose

Polish your image with the new Standard Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 2" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish al.... learn more

Available

24Regular Price: $23.99
On Sale For: $18.35
You Save $5.64

90° Thru-Hull Connector for 1 1/8" or 1 1/4" I.D. hose, white

90° thru-hulls are ideal for tight installations, such as livewell overflow drains. Design eliminates hose kinking. Polypropylene construction. Accommodates 7533A (1/2") bailer plug. For 1 1/8" or 1 1/4" I.D. hose, 1 7/8" max hull thickness, 2 7/16" flange diameter, 1 5/16" installation hole .... learn more

Available

28Regular Price: $11.99
On Sale For: $8.63
You Save $3.36

Stainless Straight Thru-Hulls, Barbed, standard length 5/8" I.D. hose

Polish your image with the new Standard Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 2" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish al.... learn more

Available

27Regular Price: $18.99
On Sale For: $13.78
You Save $5.21

Snap-Handle Livewell/Bailer plugs, 1/2" I.D. thru-hull

Cam-action neoprene plugs snap shut to form a stopper for livewells or baitwells. A clockwise turn of the handle tightens the plug, and the lever flips down to lock. Ideal for livewell drains. Brass snaps and plates.Note: Not for use with chemicals or fuels..... learn more

This Product is No Longer Available - See Substitutes

19Regular Price: $4.99
On Sale For: $4.06
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Stainless Thru-hull threaded with gasket Attwood 66559G1

STAINLESS THRU-HULLS, THREADEDNew threaded thru-hulls available:Unique multi-thread design with NPSM and NPT threadsOffer generous thread lengthAllows for direct connection to seacocks or pipesOne inch thread diameter, 1 7/8 inch flange, 2 1/8 inch thread length, 1 1/8 inch installation hole saw si.... learn more

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47Regular Price: $29.99
On Sale For: $15.99
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Thru-Hull with Strainer, for 3/4" I.D. hose, white

Thru-hull connector with strainer prevents clogging of the aerator pump. Strainer attaches to threads that extend beyond external retaining nut. Acetal construction. Caution: Do not use strainer as a thru-hull connector nut replacement. For 3/4" I.D. hose, Max Hull Thickness, 1 7/16" Installat.... learn more

Available

25Regular Price: $11.99
On Sale For: $9.01
You Save $2.98

Stainless Straight Thru-Hulls, Barbed, standard length 1 1/2" I.D. hose

Polish your image with the new Standard Thread Thru-Hull. Why specify plastic parts when these fittings will last the life of the boat? For hulls to 2" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion resistance. We polish al.... learn more

3-7 Days

24Regular Price: $41.99
On Sale For: $31.89
You Save $10.10

Double-Ended Thru-Hull Connector, for 3/4" I.D. hose

Double-ended thru-hull provides watertight transition through bulkheads or tanks. 5" overall length. Polypropylene construction. For 3/4" I.D. hose, 1 1/8" installation hole size, 1 1/8" Max Hull thickness.... learn more

Available

29Regular Price: $10.99
On Sale For: $7.80
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