Plastic

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. 1090771_airmar_boat_in_hull_transducer_31_247_1_01_600w_235_khz.jpeg
    Airmar Boat In Hull Transducer 31-247-1-01 | 600W 235 KHZ
    GLS Stock #: 1090771-1JM5
    $99.95 MSRP: $134.93
  2. 1015573_southco_m7_10_9005254_green_2_inch_boat_thru_hull_stalon_w_black_scupper.jpg
    Southco Boat Thru Hull Stalon M7-10-9005254 | w/ Scupper 2 Inch
    GLS Stock #: 1015573-1NB3
    $44.95 MSRP: $58.88
  3. 7201141_dometic_boat_holding_tank_elbow_385310535_chaparral_1_1_2_inch.jpeg
    Dometic Boat Holding Tank Elbow 385310535 | Chaparral 1 1/2 Inch
    GLS Stock #: 7201141-5C465
    $39.95 MSRP: $53.93
  4. 1065068_spears_boat_bulkhead_tank_fitting_3347800_1_1_2_inch_pvc1.jpeg
    Spears Boat Bulkhead Tank Fitting 3347800 | 1 1/2 Inch PVC1
    GLS Stock #: 1065068-'5E516
    $39.95 MSRP: $53.93
  5. 8701740_forespar_boat_thru_hull_906020_marquis_off_white_marelon_2_inch.jpeg
    Forespar Boat Thru Hull 906020 | Marquis Off White Marelon 2 Inch
    GLS Stock #: 8701740-5D522
    $27.95 MSRP: $46.95
  6. 1080684_tiara_boat_straight_thru_hull_3251620_2_inch_gray_plastic.png
    Tiara Boat Straight Thru Hull 3251620 | 3 1/4 x 5 1/4 L Plastic Gray
    GLS Stock #: 1080684-5C372
    $24.95 MSRP: $33.68
  7. 8301859_lund_boat_valve_thru_hull_1984345_1_inch_yellow_black_plastic_082901526.png
    Lund Boat Valve Thru Hull 1984345 | 1 Inch Yellow Black Plastic
    GLS Stock #: 8301859-'5E357
    $24.95 MSRP: $33.68
  8. 1091254_hydra_sports_boat_motorwell_thru_hull_hs22090118_1_1_2_inch.jpeg
    HCB Yachts Boat Motorwell Thru Hull HS22090118 | 1 1/2 Inch
    GLS Stock #: 1091254-1DW2
    $19.95 MSRP: $26.93
  9. 1080694_th_marine_boat_thru_hull_fitting_th_1590afd_90_degree_w_strainer.jpeg
    TH Marine Boat Thru Hull Fitting TH-1590AFD | 90 Degree w/ Strainer
    GLS Stock #: 1080694-5J684
    $19.95 MSRP: $26.93
  10. 1028096_triton_1816985_gray_90_degree_1_1_8_unc_boat_thru_hull.jpg
    Triton 1816985 Gray 90 Degree 1 1/8 UNC Boat Thru Hull
    GLS Stock #: 1028096-5C423
    $19.95 MSRP: $26.93
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