Boat Thru Hulls and Fittings

Quality thru-hull fittings keep the water where you want it, facilitating proper boat drainage. Great Lakes Skipper's huge inventory of new and replacement discount boat parts includes a wide variety of marine boat thru-hull fittings to add security and good looks to your boat's drainage systems. 

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  1. Airmar Boat Thru Hull Transducer 010-11939-21 | Garmin Tilted Element
    Airmar Boat Thru Hull Transducer 010-11939-21 | Garmin Tilted Element
    GLS Stock #: 1089189-FC763
    $899.95 MSRP: $1,149.99
  2. Airmar Boat Thru Hull Transducer 000-12492-001 | B75M CHIRP 0 Degree
    Airmar Boat Thru Hull Transducer 000-12492-001 | B75M CHIRP 0 Degree
    GLS Stock #: 1085080-FE461
    $499.95 MSRP: $674.93
  3. Groco Boat Ball Valve | w/ Strainer 4 3/8 Inch Bronze White
    Groco Boat Ball Valve | w/ Strainer 4 3/8 Inch Bronze White
    GLS Stock #: 1066392-GJ715
    $379.95 MSRP: $512.93
  4. Marine Hardware 1 1/2 Inch Bronze 90 Degree Boat Seacock Shut Off Valve
    Marine Hardware 1 1/2 Inch Bronze 90 Degree Boat Seacock Shut Off Valve
    GLS Stock #: 1039394-5J502
    $269.95 MSRP: $364.43
  5. Airmar Boat Thru Hull Transducer 010-10982-21 | B60 Tilted 8-Pin Bronze
    Airmar Boat Thru Hull Transducer 010-10982-21 | B60 Tilted 8-Pin Bronze
    GLS Stock #: 1089148-XIN3590GB645
    $224.95 MSRP: $299.99
  6. Raymarine Boat CHIRP Sonar Transducer E70341 | CPT-S 20 Degree Bronze
    Raymarine Boat CHIRP Sonar Transducer E70341 | CPT-S 20 Degree Bronze
    GLS Stock #: 1090687-XIN3700PB208
    $199.95 MSRP: $269.99
  7. MasterCraft 88520091 Bright Dip 2003 X Series Exterior Boat Kit
    MasterCraft 88520091 Bright Dip 2003 X Series Exterior Boat Kit
    GLS Stock #: 1029839-5C367
    $139.95 MSRP: $188.93
  8. Mastercraft 88520093 2003 X Series Chrome Exterior Boat Kit
    Mastercraft 88520093 2003 X Series Chrome Exterior Boat Kit
    GLS Stock #: 1022568-XIN2218PD305
    $139.95 MSRP: $188.93
  9. Mastercraft 88520094 Maristar 2003 - 2004 X Series Chrome Exterior Boat Kit
    Mastercraft 88520094 Maristar 2003 - 2004 X Series Chrome Exterior Boat Kit
    GLS Stock #: 1021952-FG561
    $139.95 MSRP: $188.93
  10. Perko Boat Thru Hull 0377A09CHR | Chrome Plated Bronze 2 Inch
    Perko Boat Thru Hull 0377A09CHR | Chrome Plated Bronze 2 Inch
    GLS Stock #: 1095987-GB562
    $109.95 MSRP: $256.43
  11. 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
  12. Mastercraft Boat Thru Hull Kit 88520081 | 2003 MariStar Aluminum
    Mastercraft Boat Thru Hull Kit 88520081 | 2003 MariStar Aluminum
    GLS Stock #: 2000658-BA656
    $99.95 MSRP: $134.93
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