Replacement Bulbs

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

Ancor Bayonet Replacement Bulb - 12V - 20W - 529337

Scandvik Wafer Back-Pin G4 LED Replacement Bulb 6SMD - 41001

Seachoice Bayonet Socket

Dr. LED Single-Sided Wedge Base LED Replacement Bulb - 8001559

Seachoice Replacement Bulb - 3W - 09921

Seachoice Replacement LED Bulb - 25/8W - 09981

Ancor Mini Halogen Replacement Bulb - 12V - 10W

Dr. LED Elongated Magnum LED Replacement Bulb - 9000449

Ancor Replacement Fluorescent Tubes - 12V - 8W (2-Pack) - 529405

Seachoice Replacement Halogen Bulb

Sea-Dog LED Festoon - 1 1/4" - 442232-1

Ancor Festoon Light Bulbs - 24V - 10W (2-Pack) - 522129

Hella Marine H3 Floodlight Replacement Bulb - 178555061

Seachoice Replacement Bulb - 10W - 09991

SCAD Technologies Ba15d Bayonet Bulb Socket Adapter - 10014

Seachoice Replacement Bulb (2-Pack) - 12W - 09951

Ancor Festoon Light Bulbs - 12V - 6W (2-Pack) - 529095

Seachoice Replacement Bulb (2-Pack) - 7.5W - 09901

Ancor H2 Halogen Replacement Bulb - 12V - 55W - 529168

Ancor Replacement Bulbs #912 - 12V - 12.8W (2-Pack) - 520912

Ancor Festoon Light Bulbs - 12V - 15W (2-Pack) - 522112

Sea-Dog Festoon Light Bulb - 1 3/16" - 441071-1

Sea-Dog Double Contact Bayonet Base Light Bulb - 1-15/16" - 441157-1

Sea-Dog Wedge Base Light Bulb - 441906-1

Hella Marine Replacement Halogen Flood Light Bulb - H83135051

Ancor Festoon Light Bulbs (2-Pack) - 529102

Ancor Replacement Bulbs #194 - 12V - 3.8W (2-Pack) - 520194

Ancor Single Contact Bayonet Replacement Bulbs -12V - 26.9W (2-Pack) - 521156

Seachoice Replacement Red Light Bulb - 12V

Hella Marine SV8.5-8 Festoon Replacement Bulb - 002091361

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

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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