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Marine Plumbing & Ventilation - Thru-Hull Fittings

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    $118.72
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    $63.00
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    Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

    Perko
    Only 3 left!

    Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck ...

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    $63.00
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    $63.00
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    $109.63
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    $109.63
    $51.00
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    $51.00

    Perko 3/4" Intake Strainer Bronze MADE IN THE USA [0065DP5PLB]

    Perko
    9 in stock

    Perko 3/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 3/4 Maximum Hull Thickness Inches: 2-3...

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    $109.63
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    $51.00
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    $64.00
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    $64.00
    $38.00
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    $38.00

    GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

    GROCO
    Only 4 left!

    1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Mat...

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    $38.00
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    $95.00
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    $57.00
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    $57.00

    GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

    GROCO
    9 in stock

    1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/...

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    $95.00
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    $62.00
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    $37.00
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    $37.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/4" [HTH-1250]

    GROCO
    9 in stock

    Bronze Hose Barb Thru-Hull Fitting - 1-1/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1...

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    $62.00
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    $37.00
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    $19.99
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    $19.99
    $11.00
    $11.00 - $11.00
    $11.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4" [930001SS]

    Forespar Performance Products
    Only 4 left!

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2"-3/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $19.99
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    $19.99
    $11.00
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    $11.00
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    $55.00
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    $55.00
    $33.00
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    $33.00

    GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]

    GROCO
    27 in stock

    1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B A...

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    $33.00
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    $33.00
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    $29.74
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    $29.74
    $24.00
    $24.00 - $24.00
    $24.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter [66541-3]

    Attwood Marine
    6 in stock

    Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why...

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    $29.74
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    $29.74
    $24.00
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    $24.00
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  • Save 60% Save %
    $181.75
    $181.75 - $181.75
    $181.75
    $73.00
    $73.00 - $73.00
    $73.00

    Perko 1-1/4" Intake Strainer Bronze MADE IN THE USA [0065DP7PLB]

    Perko
    9 in stock

    Perko 1-1/4" Intake Strainer BronzeCast bronzeMachined SlotsTechnical Information: Maximum Pipe Size Inches: 1-1/4 Maximum Hull Thickness Inches:...

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    $181.75
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    $181.75
    $73.00
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    $73.00
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    $35.86
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    $35.86
    $17.00
    $17.00 - $17.00
    $17.00

    Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]

    Perko
    Only 5 left!

    Perko 3-1/2" X 2-1/2" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/8 & 1/2 Dimensions Str...

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    $35.86
    $17.00
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    $17.00
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    $8.86
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    $8.86
    $6.00
    $6.00 - $6.00
    $6.00

    Perko 3/4" Thru-Hull Fitting f/Hose - Plastic Narrow Flange [0301DP5]

    Perko
    14 in stock

    3/4" Thru-Hull Fitting f/Hose - Plastic Narrow FlangeFeatures: Molded white Narrow Flange Specifications: Hose Size: 3/4" Mounting Hole Diameter: ...

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    $8.86
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    $8.86
    $6.00
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    $6.00
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    $67.77
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    $67.77
    $35.00
    $35.00 - $35.00
    $35.00

    Perko 3/4" Thru-Hull Fitting f/ Hose Bronze MADE IN THE USA [0350005DPP]

    Perko
    Only 5 left!

    Perko 3/4" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxi...

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    $67.77
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    $67.77
    $35.00
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    $16.76
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    $16.76
    $11.00
    $11.00 - $11.00
    $11.00

    Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]

    Perko
    7 in stock

    1-1/8" Thru-Hull Fitting for Hose Narrow Flange - PlasticFeatures: Molded white Narrow Flange Specifications: Hose Size: 1-1/8" Mounting Hole Di...

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    $16.76
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    $16.76
    $11.00
    $11.00 - $11.00
    $11.00
    Save 34% Save %
  • Save 92% Save %
    $196.95
    $196.95 - $196.95
    $196.95
    $15.00
    $15.00 - $15.00
    $15.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]

    Forespar Performance Products
    6 in stock

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $196.95
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    $196.95
    $15.00
    $15.00 - $15.00
    $15.00
    Save 92% Save %
  • Save 22% Save %
    $17.95
    $17.95 - $17.95
    $17.95
    $14.00
    $14.00 - $14.00
    $14.00

    Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]

    Forespar Performance Products
    Only 4 left!

    Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4"Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifi...

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    $17.95
    $17.95 - $17.95
    $17.95
    $14.00
    $14.00 - $14.00
    $14.00
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    $22.00
    $22.00 - $22.00
    $22.00
    $13.00
    $13.00 - $13.00
    $13.00

    GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

    GROCO
    13 in stock

    Bronze Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1/2" ...

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    $22.00
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    $22.00
    $13.00
    $13.00 - $13.00
    $13.00
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  • Save 18% Save %
    $10.99
    $10.99 - $10.99
    $10.99
    $9.00
    $9.00 - $9.00
    $9.00

    Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]

    Attwood Marine
    16 in stock

    Plastic Thru-Hull Fitting - 1-1/2" - WhiteThese thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis.Caution...

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    $10.99
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    $10.99
    $9.00
    $9.00 - $9.00
    $9.00
    Save 18% Save %
  • Save 57% Save %
    $209.01
    $209.01 - $209.01
    $209.01
    $90.00
    $90.00 - $90.00
    $90.00

    Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

    Perko
    Only 3 left!

    Perko 2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approx...

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    $209.01
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    $209.01
    $90.00
    $90.00 - $90.00
    $90.00
    Save 57% Save %
  • Save 18% Save %
    $30.39
    $30.39 - $30.39
    $30.39
    $25.00
    $25.00 - $25.00
    $25.00

    Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]

    Attwood Marine
    Only 5 left!

    Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. ...

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    $30.39
    $30.39 - $30.39
    $30.39
    $25.00
    $25.00 - $25.00
    $25.00
    Save 18% Save %
  • Save 23% Save %
    $35.16
    $35.16 - $35.16
    $35.16
    $27.00
    $27.00 - $27.00
    $27.00

    Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner Diameter [66542-3]

    Attwood Marine
    Only 1 left!

    Stainless Steel Thru-Hull Short Straight Barbed - 1" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why s...

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    $35.16
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    $35.16
    $27.00
    $27.00 - $27.00
    $27.00
    Save 23% Save %
  • Save 48% Save %
    $88.08
    $88.08 - $88.08
    $88.08
    $46.00
    $46.00 - $46.00
    $46.00

    Perko 1" Thru-Hull Fitting f/Hose Bronze MADE IN THE USA [0350006DPP]

    Perko
    Only 2 left!

    Perko 1" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approxima...

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    $88.08
    $88.08 - $88.08
    $88.08
    $46.00
    $46.00 - $46.00
    $46.00
    Save 48% Save %
  • Save 24% Save %
    $35.42
    $35.42 - $35.42
    $35.42
    $27.00
    $27.00 - $27.00
    $27.00

    Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]

    Attwood Marine
    11 in stock

    Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Wh...

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    $35.42
    $35.42 - $35.42
    $35.42
    $27.00
    $27.00 - $27.00
    $27.00
    Save 24% Save %
  • Save 46% Save %
    $114.05
    $114.05 - $114.05
    $114.05
    $62.00
    $62.00 - $62.00
    $62.00

    Perko 8" x 5-1/8" Scoop Strainer Bronze MADE IN THE USA [0066DP4PLB]

    Perko
    6 in stock

    Perko 8" x 5-1/8" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/8 & 1/2 Dimensions Straine...

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    $114.05
    $114.05 - $114.05
    $114.05
    $62.00
    $62.00 - $62.00
    $62.00
    Save 46% Save %
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    $95.00
    $95.00 - $95.00
    $95.00
    $57.00
    $57.00 - $57.00
    $57.00

    GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]

    GROCO
    12 in stock

    1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / N...

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    $95.00
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    $95.00
    $57.00
    $57.00 - $57.00
    $57.00
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