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Marine Pumps

A/C Circulation Pumps Baitwell & Livewell Pumps Bilge Pumps Fresh Water System Pumps Manual Pumps Utility Pumps Shower Sumps & Gray Water Pumps Waste & Macerator Pumps

279 Listed

  1. Little Giant 3-MD-SC Magnetic Drive Pump

    $588.60 - $684.48
    0

  2. March Submersible Magnetic Drive Pump

    $566.03 - $1,716.64
    11

  3. Jabsco Ballast King Bronze DC Pump with Deutsch Connector - 22610-9427

    $557.58

  4. Jabsco NEMP 50/7 Magnetically Coupled Centrifugal Pump - 436979

    $554.76
    0

  5. SHURflo Marine Air Conditioning Circulation Pump - 115 VAC - 4758-172-A80

    $554.76
    0

  6. Jabsco Ballast Puppy Wakeboard Towboat Ballast Pump - 18220-1127

    $551.94
    0

  7. Groco SPO-60-N Positive Displacement Vane Pump

    $550.53 - $558.99
    0

  8. Jabsco Commercial Duty Water Puppy Bronze Pump - 18670-0123

    $547.71
    0

  9. Jabsco Self-Priming Diaphragm Pump - 24V - 37202-2024

    $543.47

  10. Groco GPB-1 Positive Displacement Gear Pump

    $527.97
    0

  11. Jabsco Ballast Pump - 18670-9127

    $516.69

  12. Little Giant 2-MD-SC Magnetic Drive Pump

    $513.86 - $595.64
    0

  13. Whale Grey IC Shower Waste Pump Kit

    $509.63 - $527.96
    3
  14. 24% off

    Reverso GP-301 High Viscosity Gear Pump for Diesel/Water

    $535.00 - $677.41
    $508.21 - $535.00
    0

  15. Raritan 53101 Series Macerator Pump with Waste Valve Assembly

    $506.81 - $526.55
    0

  16. Jabsco Ultra-Max Water Pressure Pump Set - 59451-1012

    $505.46
    2

  17. Jabsco NEMP 40/4 Magnetically Coupled Centrifugal Pump - 436977

    $504.00
    0

  18. Jabsco Single-Diaphragm Filterless Waste Pump

    $502.59 - $535.02
    0

  19. Imtra Fynspray Large Heavy Duty Sump Pump - WS-290

    $496.93

  20. SHURflo Pro Baitmaster II Heavy Duty Livewell Pump

    $495.54 - $529.38
    1

  21. KoolAir PM1000 Air Cooled Magdrive Pump

    $482.85
    9

  22. SHURflo High Flow By-Pass - 4048-153-E75

    $482.85

  23. Seachoice Wash Down Pump Kit - 64534SC

    $468.76

  24. Rule General Purpose Centrifugal Pump - 18A

    $465.93

  25. Rule General Purpose Centrifugal Pump - 17A

    $464.52
    1

  26. Whale Gulley IC Shower Waste Pump Kit

    $460.28 - $461.69
    6

  27. Jabsco Shower Drain/Bilge Pump - 24V - 50880-1100

    $457.47

  28. Jabsco Mastercraft Ballast Pump - 12V - 18670-9407

    $456.06

  29. Jabsco Shower Drain and Bilge Pump - 37202-2012

    $451.82
    1

  30. Whale Bilge IC Automatic Remote Mounted Bilge Kit

    $444.77 - $512.45
    1

  31. Whale Gusher 10 Manual Bilge/Waste Pump

    $437.72
    2

  32. Groco Continuous Duty Centrifugal Pump - CP-20 12V

    $434.91
    1

  33. KoolAir PM500 Submersible Magdrive Pump

    $432.09
    4

  34. Jabsco Shower Drain and Bilge Pump - 50880-1000

    $425.04
    1

  35. Raritan 53100 Series Macerator Pump

    $425.03 - $444.77
    2

  36. Reverso GP-301 Low Viscosity Gear Pump for Oil

    $406.70 - $461.69
    0

  37. Rule Electronic Automatic Bilge Pump

    $406.70 - $604.11
    3

  38. SHURflo Pro Washdown Kit II Ultimate

    $401.08 - $525.16
    1

  39. Jabsco Water Puppy Self-Priming Pump

    $401.07 - $402.48

  40. Rule Rotating Dry Bilge Pump with Panel Switch - DB412

    $399.66
    0

  41. Whale High Pressure Washdown Pump - Elite Kit

    $395.43 - $429.27
    0

  42. Jabsco PAR-Max HD6 Marine Freshwater Delivery Pump

    $368.64 - $447.60
    1

  43. Jabsco PAR-Max Series Bilge & Livewell Pump - 31705-0092

    $368.64
    0

  44. Whale Marine Accumulator Pump and Accumulator Tank Kit

    $367.23
    2

  45. Jabsco Water Puppy Bronze Pump - Nitrile Impeller - 18660-0123

    $357.35
    0

  46. Whale Gray Waste Water Sump Tank - GT0810B

    $343.27
    0

  47. Jabsco PAR-Max HD5 Marine Freshwater Delivery Pump - 12V

    $339.03
    3

  48. Rule High Performance Utility Pump

    $327.74 - $365.81
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About Marine Pumps

Pumps

An extensive lineup of marine pumps is available today from Defender Marine. Pump applications include plumbing, mechanical, and safety pumps plus a full selection of parts and marine pump switches. From marine bilge pumps to oil extractors, our selection is unmatched!

Why so many pumps?

Water is a great source of power and boats, in the loosest terms, tame that power. Marine pumps enable your boat to bring water safely into cool engines and motors. Pumps filter and grind on board fluids before they push them overboard or into holding tanks. Pumps move fluids from one component to another and from here to there within a closed environment like an engine.

Pump it up!

Defender offers a full selection of plumbing pumps to include foot pumps and electric freshwater pumps, sump and gray water pumps for the shower and macerator pumps down below. Mechanical pumps support water cooler engines and air conditioner circulation, fuel pumps for many diesel engine types, and even engine oil change pumps. Fishermen are never left out at Defender as we offer a superior choice of Livewell pumps and freshwater washdown options for the cockpit.

Is it legal?

The US Coast Guard has minimal outlines for boat safety, of course. But did you know that one of those safety outlines is just about boat bilge pumps? Boats are always taking on water - rainwater, seepage or even a wave over the bow all add to water in the bilge which can eventually sink your best girl. Safety pumps at Defender meet the USCG standards - automatic marine bilge pumps, handheld pumps, and fixed electric pumps add up to following the law while you're on the water.

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