Plastic Thru Hull Fittings

Sturdy, marine-grade plastic does not corrode, making it a good choice for boat thru-hull fittings. Shopping for plastic thru-hull fittings? Check out Great Lakes Skipper's vast inventory of new and replacement plastic marine boat thru-hull fittings. We carry thru-hull connectors, thru hull fittings, thru hull connectors with scuppers, mushroom head thru hulls, and 90-degree elbow through-hull fittings in a range of diameters and sizes. Featuring discount prices on parts from brands like Perko, Flow-Rite, Plasform, Southco, TH Marine, and many more names you know, Great Lakes Skipper is the place to shop and save on marine boat parts of all kinds.

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  1. Airmar Boat In Hull Transducer 31-247-1-01 | 600W 235 KHZ
    Airmar Boat In Hull Transducer 31-247-1-01 | 600W 235 KHZ
    GLS Stock #: 1090771-AJ193
    $99.95 MSRP: $134.93
  2. Southco Boat Thru Hull Stalon M7-10-9005254 | w/ Scupper 2 Inch
    Southco Boat Thru Hull Stalon M7-10-9005254 | w/ Scupper 2 Inch
    GLS Stock #: 1015573-BG582
    $44.95 MSRP: $58.88
  3. Dometic Boat Holding Tank Elbow 385310535 | Chaparral 1 1/2 Inch
    Dometic Boat Holding Tank Elbow 385310535 | Chaparral 1 1/2 Inch
    GLS Stock #: 7201141-5C465
    $39.95 MSRP: $53.93
  4. Spears Boat Bulkhead Tank Fitting 3347800 | 1 1/2 Inch PVC1
    Spears Boat Bulkhead Tank Fitting 3347800 | 1 1/2 Inch PVC1
    GLS Stock #: 1065068-BX565
    $39.95 MSRP: $53.93
  5. Perko Boat Adjustable Thru Hull 0343 | 1 11/32 Inch w/ Scupper White
    Perko Boat Adjustable Thru Hull 0343 | 1 11/32 Inch w/ Scupper White
    GLS Stock #: 1092978-AG263
    $32.95 MSRP: $45.48
  6. Tiara Boat Straight Thru Hull 3251620 |  3 1/4 x 5 1/4 L Plastic Gray
    Tiara Boat Straight Thru Hull 3251620 | 3 1/4 x 5 1/4 L Plastic Gray
    GLS Stock #: 1080684-XIN3719PH158
    $24.95 MSRP: $33.68
  7. Lund Boat Valve Thru Hull 1984345 | 1 Inch Yellow Black Plastic
    Lund Boat Valve Thru Hull 1984345 | 1 Inch Yellow Black Plastic
    GLS Stock #: 8301859-BW409
    $24.95 MSRP: $33.68
  8. Parker Boat Drain Scupper 110410 | 1 1/2 Inch w/ Strainer White Black
    Parker Boat Drain Scupper 110410 | 1 1/2 Inch w/ Strainer White Black
    GLS Stock #: 1092909-AF282
    $19.95 MSRP: $26.93
  9. TH Marine Boat Thru Hull Fitting TH-1590AFD | 90 Degree w/ Strainer
    TH Marine Boat Thru Hull Fitting TH-1590AFD | 90 Degree w/ Strainer
    GLS Stock #: 1080694-5J684
    $19.95 MSRP: $26.93
  10. Triton 1816985 Gray 90 Degree 1 1/8 UNC Boat Thru Hull
    Triton 1816985 Gray 90 Degree 1 1/8 UNC Boat Thru Hull
    GLS Stock #: 1028096-BW654
    $19.95 MSRP: $26.93
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