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T-H Marine
T-H Marine Push Together Scupper White #RFS-2-DP
$18.48
$22.05
T-H Marine RFS-2-DP Thru-Hull FittingsT-H Marine Push Together Scupper White #RFS-2-DPNormalized SKU: RFS2DPUPC Code: 733572112412
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GROCO
GROCO 3/4" Lock Nut #TH-751
$6.05
$7.12
GROCO TH-751 Thru-Hull Fittings
Bronze 3/4 Inch Locknut
Normalized SKU: TH751
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GROCO
GROCO 3/4" Thru-Hull Less Nut #TH-750-L
$22.51
$26.86
GROCO TH-750-L Thru-Hull Fittings
Bronze 3/4 inch Thru-Hull without Nut
Normalized SKU: TH750L
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GROCO
GROCO 1/2" Scoop Thru-Hull Less Nut #STH-500-L
$31.98
$38.17
GROCO STH-500-L Thru-Hull Fittings
1/2 inch Scoop Thru Hull Strainer without Nut
Normalized SKU: STH500L
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Flow-Rite Controls
Flow-Rite Controls 1-1/8" Thru-Hull Straight Thread #MA-043-QLB
$8.14
$9.71
Flow-Rite Controls MA-043-QLB Thru-Hull Fittings
Requires 1-1/2" mounting hole
Requires MA-040 or MA-049 Qwik-Lok socket
Compatible with MA-STDP-12 standpipe & MA-050 screw-in drain plug
Normalized SKU: MA043QLB
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T-H Marine
T-H Marine Thru-Hull Extra-Long 1-1/2" #TH-1502XL-DP
$18.00
$21.48
T-H Marine TH-1502XL-DP Thru-Hull Fittings
All T-H Marine Thru-Hull Fittings are made of the highest quality virgin material to ensure consistent size, extra durability, and attractive appearance. All materials are UV stabilized to provide longevity. T-H Marine has worked with major hose manufacturers to guarantee that our hose barbs have the exact specifications to fit hose securely so that your installations will be trouble-free.
High-quality UV & chemical-resistant virgin polypro
Sized to fit all marine hoses
Straight Fitting
Color: White
Normalized SKU: TH1502XLDPUPC Code: 733572031157
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Seachoice
Seachoice Thru-Hull Strainer Mount #18191
$22.88
$27.31
Seachoice 18191 Thru-Hull Fittings
Seachoice Thru-Hull Strainer MountFor remote mounted pumps. Designed to enable a 3/4" thru-hull passage through a transom or livewell.Max Panel Thickness 1-1/2"Normalized SKU: 18191UPC Code: 719249181912
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Seachoice
Seachoice Thru-Hull Connector Black Plastic 3/4" #18151
$8.18
$9.77
Seachoice 18151 Thru-Hull Fittings
3/4" Black Plastic Thru-Hull w/Broad FlangeMolded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.Hose 3/4"Flange 1-1/2"Max Hull Thickness 1-1/4"Normalized SKU: 18151UPC Code: 719249181516
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Seachoice
Seachoice Thru-Hull Connector White Plastic 1-1/2" #18111
$12.59
$15.02
Seachoice 18111 Thru-Hull Fittings
Seachoice Plastic Thru-Hull With Broad FlangeMolded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.Hose 1-1/2"Flange 2-7/8"Max Hull Thickness 1-1/4"Normalized SKU: 18111UPC Code: 719249181110
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Seachoice
Seachoice Extra-Long Thru-Hull 3/4" White Plastic #18161
$10.06
$12.01
Seachoice 18161 Thru-Hull Fittings
Seachoice Extra Long Plastic Thru-Hull, WhiteMolded high impact white plastic with broad flange. Designed for installation where thick transoms or side walls require upto 2-1/2" long thread. Not recommended for use below the waterline.Normalized SKU: 18161UPC Code: 719249181615
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Attwood Marine
Attwood Thru-Transom Scupper 1-1/2" Stainless 5-1/2" L #66553-3
$93.00
$115.45
Attwood Marine 66553-3 Thru-Hull FittingsOne of the best-looking, long-lasting, toughest Scuppers on the market. The Scupper Flap is tough, flexible material with a molded V-groove to reduce backwash. Fasteners are concealed and corrosion-proof. For 1-1/2" ID exhaust hose and transoms to 3" thick. Rugged Stainless Construction Cast from certified #316 Stainless Steel alloy for strength and lifetime corrosion-resistance. We polish all visible areas to a mirror finish, then send each part through passivation for additional protection. Thick steel sidewalls withstand continual stress and hose flexing. Faster, Simpler Installation A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal. All sizes have wrench flats to hold as a gripping surface. One installer can tighten all connections from inside the hull. Barbed tail ends provide plenty of room to hold multiple clamps. Dimensions: A Hose I.D.: 1 1/2" B Thread O.D.: 1 7/8" C Flange Dia: 3" D Thread Length: 3 1/2" E Barb Length: 1 1/2" F Total Length: 5 1/2" Installation hole saw size: 2" Threads NPSM: 1 1/2" Max Hull Thickness: 3"Attwood-Thru-Transom Scupper, 1-1/2", Stainless Steel, 5-1/2" Overall Length #66553-3Normalized SKU: 665533UPC Code: 022697665539
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Attwood Marine
Attwood Thru-Hull Connector 5/8" Hose ID SS 3-3/4" L #66546-3
$30.24
$36.09
Attwood Marine 66546-3 Thru-Hull FittingsPolish 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 all visible areas to a mirror finish, then send each part through passivation for additional protection. Thick steel sidewalls withstand continual stress and hose flexing. Faster, Simpler Installation A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal. All sizes have wrench flats to hold as a gripping surface. One installer can tighten all connections from inside the hull. Barbed tail ends provide plenty of room to hold multiple clamps.Attwood-Thru-Hull Connector, 5/8" Hose I.D., Stainless Steel, 3-3/4" Overall Length #66546-3Normalized SKU: 665463UPC Code: 022697665461
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Attwood Marine
Attwood Thru-Hull 1-1/8" to 1-1/4" x 4" White #3897-3
$14.14
$16.87
Attwood Marine 3897-3 Thru-Hull Fittings
These thru-hulls are made with a durable, thermoplastic construction that prevents electrolysis.
Caution: All plastic thru-hull connectors are designed for installation above the waterline only.
Attwood-Thru-Hull, 1-1/8" to 1-1/4" x 4", White #3897-3
Normalized SKU: 38973UPC Code: 022697389732
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Flow-Rite Controls
Flow-Rite Thru Hull-3/4" Elbow Black #MA-027-B
$7.63
$8.98
Flow-Rite Controls MA-027-B Thru-Hull Fittings
Thru-Hull elbow with flange and nut
3/4" Barbed
Requires 1-1/16" mounting hole
Compatible with MA-018 snap-in strainer
Made in the USA
Normalized SKU: MA027B
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Rule
Rule Thru-Hull Fitting 3/4" Right Angle #61
$14.88
$17.76
Rule 61 Thru-Hull FittingsFor Rule pumps. High-impact plastic. Will not rust, corrode or discolor.Normalized SKU: 61UPC Code: 042237083869
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T-H Marine
T-H Marine Spanner Head Thru-Hull Fitting #TH-7590S-DP
$12.62
$15.06
T-H Marine TH-7590S-DP Thru-Hull FittingsHigh quality polypropylene thru-hull fitting, 90° angle with finished head and pass around nut. Spanner head, low clearance design.T-H Marine Spanner Head Thru Hull Fitting #TH-7590S-DPNormalized SKU: TH7590SDPUPC Code: 733572062854
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T-H Marine
T-H Marine Thru-Hull Fitting 1-1/8" Black #TH-1290-DP
$14.62
$17.45
T-H Marine TH-1290-DP Thru-Hull Fittings
-H Marine is the leading plastic thru-hull supplier in the U.S.A., known for high-quality fittings preferred by OEM boat builders. These fittings offer exceptional durability and UV stabilization, ensuring long-lasting performance.
Standard 90-degree fittings feature a unique finished head and a pass-around nut for ease of installation.
Dual nut thru-hulls allow for various mounting thicknesses and enable topside installation.
Spaner head thru-hulls provide accessibility for hard-to-reach applications with a finished head nut for tightening
A: 1-3/4"
B: 3-1/2"
C: 1-1/8"
D: 1-1/8"
E: 1-3/8"
Normalized SKU: TH1290DPUPC Code: 733572030600
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T-H Marine
T-H Marine Thru-Hull Fitting 1-1/8" Extra-Long Black #TH-1200XL-DP
$12.96
$15.47
T-H Marine TH-1200XL-DP Thru-Hull FittingsHigh quality chemical resistant polypropylene thru-hull fitting. Fits all marine hose.T-H Marine Fttng-Th1-1/8Exbk #TH-1200XL-DPNormalized SKU: TH1200XLDPUPC Code: 733572030457
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T-H Marine
T-H Marine Thru-Hull Fitting 1-1/8" Extra-Long White #TH-1202XL-DP
$11.92
$14.23
T-H Marine TH-1202XL-DP Thru-Hull Fittings
T-H Marine offers industry-leading Thru-Hull fittings, favored by more OEM boat builders in the U.S. Made from high-quality virgin materials, these fittings ensure durability, precise sizing, and an attractive look. Designed for longevity, they are UV-stabilized and compatible with a range of hoses for easy installation.
High-quality virgin materials guarantee durability and consistent sizing.
UV stabilized for long-lasting use in marine environments.
Hose barbs are designed for compatibility with leading hose manufacturers
1-1/8" Hose Barb
Extended
White
Normalized SKU: TH1202XLDPUPC Code: 733572030556
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T-H Marine
T-H Marine Inline Scupper-Fits 3/4" Hose #ILS-750-DP
$25.85
$30.86
T-H Marine ILS-750-DP Thru-Hull FittingsInstalls easily to prevent backwash. Made from chemical resistant materials with thermoplastic flapper. Display packaged.T-H Marine Insline Scupper-Fits 3/4 Hose #ILS-750-DPNormalized SKU: ILS750DPUPC Code: 733572064957
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