G4 LED Bi Pin Halogen BulbsG4 LED Bi Pin Halogen Bulbs are one of the most common bulbs found within interior lamps on boats. G4's are identified by the two small pins, 4mm apart, extending from a small glass capsule.

G4 LED Halogen Bulbs found on boats typically range from 5W to 15W. If you have a 20W halogen bulb on your boat it will get extremely hot and could be a fire hazard. Bulbs brighter than 20W are not G4's.

Care must be taken when selecting a G4 LED replacement for your boat. Most G4 LED Bi Pin Halogen Bulbs used on boats are ceiling mounted and use a G4 bulb that is horizontal, or parallel to the fixture.

However, some bulkhead mounted "eyeball" lamps and bell-shaped reading lamps use a vertical bulb, where the bulb is perpendicular to the base of the fixture. Our Side-Pin (SP) type G4 LED bulbs replace the horizontal type, while our Back-Pin (BP) type G4's, or our MR11 LEDs, replace the vertical type.


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10 SMD LED G4 Back Pin X Beam Warm White 10 SMD LED G4,  G4 X-Beam, LED G4 Warm White
LBM30912
Price: $24.95
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Availability: In Stock
Marinebeam Item #: LBM30912 -

10 SMD LED G4 Back Pin X-Beam Warm White comes with extra long back pins to fit even the deepest funnel-shaped cantalupi overhead fixtures. Best of class 10 SMD LED G4. 120 real-world Lumens and 50,000 hour life from a Warm White G4!Who could image that just one year ago? Proprietary PWM Constant-Current drive and high output thermally-efficient SMDs combine to give record setting output in a G4 form factor. These work great bell shaped reading lamps and Cantalupi overhead recessed...

10 SMD LED G4 Side Pin X Beam Red Marinebeam, 10 SMD LED G4, Side Pin X Beam Red
LBM30135
Price: $24.95
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Availability: In Stock
Marinebeam Item #: LBM30135 -

10 SMD LED G4 Side Pin X Beam Red bulb continues to be our best seller because it fits most boat and RV fixtures, and is one of the brightest G4 LED replacements that we produce. Everyone loves the X-Beam!Marinebeam bulbs feature a proprietary PWM Constant-Current drive and high-output thermally-efficient multi-emiter SMD LED bonded to an Alumicore substrate. These features combine to give record setting output, superior efficacy (lumens/watt), and the longest service life in a...

15 Mini SMD LED G4 Back Pin 360º MiniTower Cool White 15 Mini SMD LED, G4 Back Pin 360, MiniTower, Cool White, led anchor light
LBM30901
Price: $16.95
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Availability: In Stock
Marinebeam Item #: LBM30901 -

15 Mini SMD LED G4 Back Pin 360º MiniTower Cool White has a 360° throw, so works great in Anchor Lights, small tube lights, wall lights, sconces, courtesy lights and other fixtures where a tiny G4 is required. Not much bigger than a halogen G4.The new 15 Mini SMD LED G4 Back Pin 360º MiniTower features 15 mini-SMD LEDs, so it puts out a massive amount of light in a 360° pattern.Very popular in newer Beneteau's and custom yachts with tube-shaped swiveling reading...

6 SMD LED G4 Back Pin Novi Warm White 6 SMD LED G4 Back Pin Novi Warm White, 6 SMD LED G4 Back Pin Novi bulb, 6-LED Novi bulb
LBM30911
Price: $19.95
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Availability: In Stock
Marinebeam Item #: LBM30911 -

The 6 SMD LED G4 Back Pin Novi Warm White is a back pin version of our Side Mount Novi, which is our most popular bulb. The 6 SMD LED G4 Back Pin Novi bulb is great for all fixtures that use a G4 bulb in a vertical or back mount orientation. Fits bell-shaped reading lamps, as well as recessed downlights with vertical G4 bulbs.This 6-LED Novi bulb features extra long back pins to allow for easy fitment in most fixtures. The pins are easily trimmed for a perfect fit. Voltage:...