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

Hella Marine BAY15D Bayonet Base Replacement Navigation Bulb - 003488301

Hella Marine BAY15D Bayonet Base Replacement Navigation Bulb - 003488121

Scandvik Dimmable G4 COB LED Replacement Bulb - 41072P

Scandvik Mini-Tower LED Replacement Bulb - 41034P

Scandvik G4 Wafer Back-Pin LED Bulb

Scandvik G4 Wafer Side-Pin Bulb

Scandvik G4 Wafer Side-Pin Dual Color Bulb

Scandvik Bayonet Tower Parallel Pins - Dual Contacts Bulb

Scandvik Nav. Festoon Bulb - 360 deg.

Scandvik Wedge Base Mini-Tower Bulb - 41095P

Scandvik Warm White A15 Bulb - 41036P

Scandvik MR16 LED Light Bulb

Scandvik Bayonet Tower Offset Pins - Dual Contacts Bulb

Scandvik Bayonet Base Wafer Parallel Pins - Dual Contacts Bulb

Scandvik Festoon Wafer Bulb

Scandvik Nav. Barrel Bulb - 360 deg.

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

Scandvik Replacement Wafer Back-Pin G4 LED Bulb - 41000P

Scandvik Bayonet Base Wafer Offset Pins - Dual Contacts Bulb - 41088P

Scandvik Bayonet Base Mini-Tower Bulb - 41090P

Scandvik Festoon Bulb - 360 deg. - 41035P

Scandvik Warm White A19 Bulb - 41037P

Scandvik Blue LED G4 Halogen Look-Alike Bulb - 41038P

Scandvik Mini-Bayonet Mini-Tower Parallel Pins - Single Contact Bulb - 41075P

Marinco Guest Spotlight Bulb Replacement Kit with Bezel - 729494

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

Hella Marine Replacement Halogen Flood Light Bulb - H83135051

Scandvik Wedge Base Tower Bulb - 41092P

Scandvik Wedge Base Bulb - 41097P

Scandvik Warm White G4 Tower Bulb - 41070

Scandvik GU10 LED Bulb - 41114P

Scandvik Bayonet Compact-Tower Parallel Pins - Single Contact Bulb

Marinco Guest Spotlight Bulb Replacement Kit with Bezel - 729493

Hella Marine BA9s Replacement Navigation Bulb - 358107422

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

Hella Marine H3 Floodlight Replacement Bulb - 178555061

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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