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Thru-Hull Fittings

Thru-Hull Fittings

  • Perko 1-1/8 Thru Hull Connect Bulk 0328Dp6A

    Perko 1-1/8 Thru Hull Connect Bulk 0328Dp6A

    Perko

    $9.99 $7.49
    Perko 1-1/8 Thru Hull Connect Bulk 0328Dp6A Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed
    Part Number:
    9-0328DP6A
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1-1/8"
    Flange:
    2-1/4" OD
    Max Hull Thickness:
    1-1/2"
    $9.99 $7.49
  • Seachoice Thru Hull W/SS Cover-3/4 Strt 50-18441

    Seachoice Thru Hull W/SS Cover-3/4 Strt 50-18441

    Seachoice

    $14.79 $12.99
    Seachoice Thru Hull W/SS Cover-3/4 Strt 50-18441 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.
    Part Number:
    50-18441
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-7/8"
    Max Hull Thickness:
    1-3/8"
    $14.79 $12.99
  • Seachoice Thru Hull W/SS Cover-5/8 Strt 50-18431

    Seachoice Thru Hull W/SS Cover-5/8 Strt 50-18431

    Seachoice

    $14.79 $9.39
    Seachoice Thru Hull W/SS Cover-5/8 Strt 50-18431 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.
    Part Number:
    50-18431
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    5/8"
    Flange:
    1-7/8"
    Max Hull Thickness:
    1-3/8"
    $14.79 $9.39
  • Seachoice X-Long Thruhull 1-1/8 White Pla 18181

    Seachoice X-Long Thruhull 1-1/8 White Pla 18181

    Seachoice

    $13.25 $10.99
    Seachoice X-Long Thruhull 1-1/8 White Pla 18181 Extra long molded high impact white plastic with broad flangeDesigned for installation where thick transoms or side walls require up to 2-1/2" long threadNot recommended for use below the waterline.
    Part Number:
    50-18181
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1-1/8"
    Flange:
    1-7/8"
    Max Hull Thickness:
    3-3/8"
    $13.25 $10.99
  • Attwood Marine Thru-Hull Con. 90 Deg 3/4" Wh 38773

    Attwood Marine Thru-Hull Con. 90 Deg 3/4" Wh 38773

    Attwood Marine

    $15.29
    Attwood Marine Thru-Hull Con. 90 Deg 3/4" Wh 38773Molded of rugged plastic. Will not rust, corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. White.
    Part Number:
    23-38773
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-1/2"
    Max Hull Thickness:
    1"
    Pkg.:
    Card
    $15.29
  • GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut HSTH-1500-W

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

    Groco

    $95.00 $59.99
    1-1/2" NPS NPT Combo High Speed Pickup Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 3" Available with or without...
    Part Number:
    34-HSTH1500W
    Availability:
    In Stock - Ships same or next business day.
    Thread NPS:
    1-1/2"
    A:
    3.15
    B:
    0.3
    C:
    2.89
    $95.00 $59.99
  • Perko 3/4 Bronze Thru Hull with Nut 0322Dp5Plb

    Perko 3/4 Bronze Thru Hull with Nut 0322Dp5Plb

    Perko

    $57.89 $34.87
    Perko 3/4 Bronze Thru Hull with Nut 0322Dp5PlbCast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed.
    Part Number:
    9-0322DP5PLB
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-7/8"
    Max Hull Thickness:
    1-1/2"
    $57.89 $34.87
  • Perko 3/4 Thru Hull Connection Bulk 0328Dp5

    Perko 3/4 Thru Hull Connection Bulk 0328Dp5

    Perko

    $8.06 $7.15
    Perko 3/4 Thru Hull Connection Bulk 0328Dp5Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed
    Part Number:
    9-0328DP5
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-7/8" OD
    Max Hull Thickness:
    1-7/16"
    $8.06 $7.15
  • Sea-Dog Line Thru Hull-1-1/8 520770

    Sea-Dog Line Thru Hull-1-1/8 520770

    SEA-DOG LINE

    $7.05
    Sea-Dog Line Thru Hull-1-1/8 520770Injection molded polypropylene.
    Part Number:
    354-520770
    Availability:
    In Stock - Ships same or next business day.
    A:
    2-3/16"
    B:
    15/16"
    C:
    1-3/4"
    D:
    3-9/16"
    E:
    1-3/8"
    F:
    1-1/8" - 1-1/4"
    $7.05
  • Seachoice Thru Hull Conn-White Plas-5/8 50-18031

    Seachoice Thru Hull Conn-White Plas-5/8 50-18031

    Seachoice

    $6.99 $6.23
    Seachoice Thru Hull Conn-White Plas-5/8 50-18031 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.
    Part Number:
    50-18031
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    5/8"
    Flange:
    1-5/8"
    Max Hull Thickness:
    1-1/4"
    $6.99 $6.23
  • Seachoice Thru Hull W/SS Cover-1 Strat 50-18451

    Seachoice Thru Hull W/SS Cover-1 Strat 50-18451

    Seachoice

    $15.99 $10.36
    Seachoice Thru Hull W/SS Cover-1 Strat 50-18451 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.
    Part Number:
    50-18451
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1"
    Flange:
    1-7/8"
    Max Hull Thickness:
    1-3/8"
    $15.99 $10.36
  • Seachoice Thru Hull W/SS Cover-2 Strat 50-18491

    Seachoice Thru Hull W/SS Cover-2 Strat 50-18491

    Seachoice

    $29.89 $17.36
    Seachoice Thru Hull W/SS Cover-2 Strat 50-18491 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.
    Part Number:
    50-18491
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    2"
    Flange:
    3-1/4"
    Max Hull Thickness:
    1-5/8"
    $29.89 $17.36
  • Seachoice Thru Hull W/SS Cover-3/4 90Dg 50-18541

    Seachoice Thru Hull W/SS Cover-3/4 90Dg 50-18541

    Seachoice

    $11.49 $8.41
    Seachoice Thru Hull W/SS Cover-3/4 90Dg 50-18541 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.
    Part Number:
    50-18541
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    3/4"
    Flange:
    1-7/8"
    Max Hull Thickness:
    1-3/8"
    $11.49 $8.41
  • Attwood Marine Thru Hull SS 1-1/2" Short 66545-3

    Attwood Marine Thru Hull SS 1-1/2" Short 66545-3

    Attwood Marine

    $90.28 $49.99
    Attwood Marine Thru Hull SS 1-1/2" Short 66545-3 Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only. Lifetime warranty.
    Part Number:
    23-665453
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1-1/2"
    Flange:
    3"
    Max Hull Thickness:
    5/8"
    $90.28 $49.99
  • Attwood Marine Thru Hull SS 1-1/4" 66550-3

    Attwood Marine Thru Hull SS 1-1/4" 66550-3

    Attwood Marine

    $71.79 $40.12
    Attwood Marine Thru Hull SS 1-1/4" 66550-3Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only. Lifetime warranty.
    Part Number:
    23-665503
    Availability:
    In Stock - Ships same or next business day.
    Hose:
    1-1/4"
    Flange:
    2-3/4"
    Max Hull Thickness:
    1-7/8"
    $71.79 $40.12
  • GROCO 1" 90 Degree Hose Thru-Hull Fitting HTHC-1000-S

    GROCO 1" 90 Degree Hose Thru-Hull Fitting HTHC-1000-S

    Groco

    $69.00 $49.99
    1" 90 Degree Hose Thru-Hull Fitting  Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B
    Part Number:
    34-HTHC1000S
    Availability:
    In Stock - Ships same or next business day.
    Thread NPS:
    3/4"
    Hose ID:
    3/4"
    A:
    2.71
    B:
    0.3
    C:
    1.9
    D:
    2.25
    E:
    1.25
    $69.00 $49.99
  • Groco 1-1/2" BSPP Bronze Thru Hull Th-150-W

    Groco 1-1/2" BSPP Bronze Thru Hull Th-150-W

    Groco

    $71.00 $54.99
    1-1/2" BSPP Bronze Thru Hull Features: British Standard Pipe Parallel (BSPP) Thread C83600 Bronze Sizes from 1/2" to 4" UL Listed 647B Available with or without nut
    Part Number:
    34-TH150W
    Availability:
    In Stock - Ships same or next business day.
    Thread BSPP:
    G 1 1/2"
    A:
    80
    B:
    7.62
    C:
    73.41
    $71.00 $54.99
  • GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut HSTH-1250-W

    GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut HSTH-1250-W

    Groco

    $62.00 $41.14
    1-1/4" NPS NPT Combo High Speed Pickup Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 3" Available with or without nut BSPP models...
    Part Number:
    34-HSTH1250W
    Availability:
    In Stock - Ships same or next business day.
    Thread NPS:
    1-1/4"
    A:
    2.9
    B:
    0.3
    C:
    2.62
    $62.00 $41.14