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Gauge Components & Senders

43 Listed

  1. Racor Vacuum Gauge with Stainless Steel T-Handle - RK19671

    $193.75
    6

  2. Moeller Reed Switch Tank Sending Unit

    $110.56 - $213.49
    3

  3. Racor Vacuum Gauge - RK19669

    $254.50
    1

  4. Blue Sea Systems VSM 422 Vessel Systems Monitor Tank Sender

    $151.45 - $185.29

  5. Maretron Fuel Flow Sensor

    $732.39 - $1,695.44
    0

  6. Moeller Electric Fuel Gauge Swingarm Sending Unit Kit - 035726-10

    $100.71
    1

  7. Faria Water Temperature Sender

    $36.46 - $59.80
    1

  8. VDO Marine Oil Pressure Sender - 360-410

    $79.54
    1

  9. Moeller Electric Fuel Level Sending Unit - 035722-10

    $49.93
    5

  10. Racor Replacement Water in Fuel Detection Kit - RK30880E

    $230.41
    0

  11. Faria Dual Station Temperature Sender - 1/8" - 90406

    $40.06

  12. Moeller Electric Sending Unit with Return - 035724-10

    $75.31
    1

  13. Seachoice Fuel Sender Reed Switch

    $72.49 - $262.84

  14. Arco OEM Repalcement Trim Sender - TS001

    $148.63
    0

  15. SeaStar Teleflex/Sierra Water Temperature Sending Unit - TS26621

    $26.40
    0

  16. Faria American Single Standard Temperature Sender - 1/8" - TS1029

    $40.06

  17. Faria Blank Gauge Fill

    $21.79 - $38.67

  18. Seachoice Pitot PVC Tubing - 15381

    $55.57

  19. Sierra Volvo/Penta Temperature Sender - 18-7647

    $86.59

  20. Racor Pressure and Vacuum Gauge - RK19667

    $291.04
    0

  21. SeaStar Teleflex/Sierra Sportsmen Series Universal Pitot Tube - 56973P

    $17.02
    0

  22. SeaStar Teleflex/Sierra Universal Fuel Sender - 90424P

    $64.03
    0

  23. Faria Cylinder Head Temperature Sender - 90405

    $42.88

  24. Moeller 5-Hole Fuel Sender Gasket with Mounting Screws - 035728-10

    $20.56

  25. SeaStar Teleflex Oil Pressure Sender - 18-5899

    $47.11
    0

  26. Faria European Single Standard Temperature Sender - 1/8" - 90412

    $31.60

  27. Faria Blue Gauge Replacement Bulb (2-Pack) - 2" - KTF052

    $26.74

  28. Marinco BEP Ultrasonic Tank Sender - TS1

    $195.16
    0

  29. Seachoice Marine Speedometer Pitot Kit - 15391

    $24.02

  30. Seachoice Pitot Tube - 15401

    $17.48

  31. Seachoice Fuel Tank Sender

    $56.98 - $64.03

  32. Arco OEM Repalcement Outboard Motor Ignition Sender - IG001

    $73.92
    0

  33. Faria Depth Gauge Air Temperature Sender - TS0101

    $54.16

  34. Faria Oil Pressure Gauge Adapter - 12-24V - 90315

    $14.71

  35. Faria Single Station Rudder Angle Sender - 90530

    $619.57

  36. Faria Universal Pitot Kit - 91106

    $59.80
    0

  37. Sierra Volvo/Penta Temperature Sensor - 18-7513

    $35.83

  38. Sierra Pitot Tubing - 100' - 56353P

    $113.40

  39. Sierra Fuel Sender Kit - 56948P

    $154.27

  40. Sierra Pack O' Pitots (12-Pack) - 59677P

    $104.94

  41. Racor 500MA/MAM Turbine Series Bowl Ring Kit - RK 15035-01

    $102.10

  42. Racor 900/1000FH Turbine Series Gasket Seal Kit - RK 11-1952

    $76.72

  43. Osculati Mechanical Fuel Level Indicator - 52.037.00

    $35.83

About Gauge Components & Senders

Marine Senders

Boat sending units are designed to measure the amount of fluid in a tank, boat speed, temperature, and a variety of pressure-sensitive gauges. Senders can be replaced with parts from Defender Marine or full sender kits are also available for a variety of applications.

What is a Marine Sender?

Marine senders, or boat sending units, are designed as a simple measuring device that then relays (or sends) this measurement to a marine gauge.

How do you test a marine fuel sender?

Fuel senders can easily be tested with an ohms tester. A variety of fuel senders are available including level arm, swing arm and solid float, and conventional style float switch type senders; all can be tested by reading the ohms output.

Floatless marine senders measure for many different gauges.

Pitot kits measure a boat's speed while more technological speed sending units rely on GPS to garner a constant speed reading. Temperature sending units from Defender Marine measure up to 300 degrees and relay this back to temperature gauges in many applications. Pressure sensors measure essential pressures such as oil pressure in the engine. Newly designed floatless senders measure tank pressure versus fluid capacity.

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