Replacement Bulbs

  1. 14% off

    Dr. LED Dome Light LED Conversion Kit - 9000159

    $34.42
    $29.35
    0
  2. 14% off

    Dr. LED Polar Star 20 Navigation LED Replacement Bulb - 8001849

    $34.42
    $29.35
    0
  3. 14% off

    Dr. LED Red/White Dome Light LED 2-Bulb Conversion Kit - 9000333

    $35.83
    $30.55
    1
  4. 9% off

    Scandvik G4 Wafer Side-Pin Dual Color Bulb

    $34.42 - $35.83
    $31.04 - $32.31
  5. 14% off

    Dr. LED White Festoon Star Navigation LED Replacement Bulb - 28 - 31 mm (1 1/8" - 1 1/4") - 9000173

    $40.06
    $34.14
    2
  6. 14% off

    Dr. LED Hex GE90 Star Navigation LED Replacement Bulb - 9000425

    $40.06
    $34.14
    0
  7. 9% off

    Seachoice LED Replacement Bulb - 12V - 02501

    $38.65
    $34.85
  8. 14% off

    Dr. LED Magnum MR16 1X LED Replacement Bulb - 8001825

    $41.47
    $35.34
    0
  9. 34% off

    Sea-Dog Replacement Incandescent Spreader Light Bulb - 405411

    $54.16
    $35.41
    0
  10. 14% off

    Dr. LED Edison SideKick 3X LED Replacement Bulb - 8001818

    $42.46
    $36.17
    0
  11. 9% off

    Forespar Festoon LED Replacement Bulb (Top) for ML-2 Light - 132325

    $44.53
    $40.13
    2
  12. 9% off

    Whitecap Flush Mount Sidelight Replacement LED

    $51.34
    $46.27
  13. 14% off

    Dr. LED White Festoon Star Navigation LED Replacement Bulb - 36 - 44 mm (1 7/16" - 1 3/4") - 9000241

    $55.57
    $47.33
    4
  14. 9% off

    Forespar LED Replacement Bulb (Bottom) for ML-1/ML-2 Light Deck Light - 132335

    $58.07
    $52.32
    2
  15. 9% off

    Perko Sealed Beam Unit - 2 3/4" - 043200112V

    $62.62
    $56.42
  16. 9% off

    Perko Double Contact Bayonet Indexing Base Bulb

    $56.98 - $76.72
    $56.98 - $69.11
  17. 9% off

    Perko Medium Prefocus Bulb

    $64.03 - $106.33
    $57.69 - $95.76
  18. 14% off

    Dr. LED Bi-Color Polar Star 25 Festoon Navigation LED Replacement Bulb - 8001122

    $68.26
    $58.11
    1
  19. 14% off

    Dr. LED Green Polar Star 40 Navigation LED Replacement Bulb - 8001771

    $68.26
    $58.11
    1
  20. 14% off

    Dr. LED H2492 Star Navigation LED Replacement Bulb - 8000067

    $68.26
    $58.11
    1
  21. 14% off

    Dr. LED Red Polar Star 40 Navigation LED Replacement Bulb - 8001764

    $68.26
    $58.11
    0
  22. 14% off

    Dr. LED White Polar Star 40 Navigation LED Replacement Bulb - 8001757

    $68.26
    $58.11
    2
  23. 34% off

    Dr. LED White Polar Star Navigation LED Replacement Bulb - 9000388

    $102.10
    $66.57
    0
  24. 9% off

    Perko Double Contact Bayonet Bulb

    $76.72
    $69.11 - $76.72
  25. 9% off

    Marinco Guest Spotlight Bulb Replacement Kit with Bezel - 729494

    $100.69
    $90.68
    0
  26. ACR RCL-50 Searchlight Replacement Bulb - 55W - 6002

    $95.69
    0
  27. Perko Combination Masthead/Anchor Lights Converter Module - 12V - 1680DP012V

    $95.69
  28. Perko Sealed Beam Unit - 7" - 043300312V

    $115.79
  29. 9% off

    Marinco Spotlight Bulb Replacement Kit - 22014-P

    $169.78
    $152.86
  30. ACR Replacement Halogen Searchlight Bulb - 6001

    $184.10
    1
  31. ACR RCL-100 Searchlight Replacement Bulb - 55W - 6003

    $194.81
    0
  32. ACR RCL-600/600A Lamp - 6007

    $2,765.59
    0

About Replacement Bulbs

Replacement Bulbs for Boats

Marine light bulbs are fairly unique from top to bottom. Applications are nearly endless as well with replacement lightbulbs for boats including everything from navigation to overhead fixtures. Defender Marine offers a wide variety of marine light bulbs to fit every need aboard.

What kind of bulb is this??

Identifying the replacement marine bulb is the first step in choosing a new one. The base style is the place to start for choosing the correct replacement light bulb, matching the bi-pin, single contact, or even screw base of the old bulb will eliminate a lot of guesswork. On the other end LED, Halogen, and incandescent-style marine bulbs are an option of choice.

Adaptors and conversion kits offer more options

With all those styles of marine light bulb bases sometimes it may be easier to choose a marine bulb and then a conversion kit. Adaptors to the two-prong style base and even conversion kits to LED-style bulbs are offered for boaters looking to replace marine light bulbs.

Marine light bulbs for every application

You name it - you got it! There are marine replacement light bulbs for exterior applications like navigational lights, anchor lights, trailer lights, and spotlights. Inside the cabin, marine light bulbs are offered for chart lights, overhead lights, interior halogen lights, and screw-in lamp lights designed for the marine environment.