Replacement Bulbs

33% off

Mast Products G4 COB LED Replacement Bulb

$19.29

$12.75 - $16.48

0
29% off

Sea-Dog Replacement Incandescent Spreader Light Bulb - 405411

$56.06

$39.42

0
40% off

Wesbar Trailer Light Replacement 2057 Bulb - 30-84-057

$3.21

$1.90

0
23% off

Dr. LED Blue G4 LED Disk - 9000364

$13.74

$10.45

0
29% off

Dr. LED Elongated Magnum LED Replacement Bulb - 9000449

$18.12

$12.85

0
79% off

Dr. LED Replacement LED Sealed Beam - 90 deg. Connectors - 9000074

$66.30

$13.74

0
7% off

Hella Marine SV8.5 Base Replacement Navigation/Interior Bulb - 10W - H83100001

$2.31

$2.13

0
47% off

Hella Marine Replacement Halogen Flood Light Bulb - H83135051

$10.48

$5.55

0
48% off

Dr. LED Magnum MKII LED Replacement Bulb - Double Contact Indexed BA15D - 8001252

$24.32

$12.47

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.

Replacement Bulbs

Mast Products G4 COB LED Replacement Bulb

Sea-Dog Replacement Incandescent Spreader Light Bulb - 405411

Wesbar Trailer Light Replacement 2057 Bulb - 30-84-057

Dr. LED Blue G4 LED Disk - 9000364

Dr. LED Elongated Magnum LED Replacement Bulb - 9000449

Dr. LED Replacement LED Sealed Beam - 90 deg. Connectors - 9000074

Hella Marine SV8.5 Base Replacement Navigation/Interior Bulb - 10W - H83100001

Hella Marine Replacement Halogen Flood Light Bulb - H83135051

Dr. LED Magnum MKII LED Replacement Bulb - Double Contact Indexed BA15D - 8001252

About Replacement Bulbs

Replacement Bulbs for Boats

What kind of bulb is this??

Adaptors and conversion kits offer more options

Marine light bulbs for every application

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