Marine Light Bulbs: LED, Halogen, Underwater, & More

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Cut your electrical power consumption, reduce the danger of sizzling hot halogen light bulbs, and cool your cabin temperatures by transforming your old boat and marine lights to LED using Imtra’s latest LED bulbs. Here you will find LED light bulbs that allow conversion of your existing light fixtures into efficient and cool running LED boat lights simply by changing the bulb. 

Imtra's LED bulbs for boats incorporate PWM constant-current drive electronics and thermally conductive metal core boards promising long-term performance and reliability for your marine lighting even under variable voltage conditions. Several types of LED bulbs are available for most socket types, most are offered with warm white light that is consistent with traditional bulbs. Cool white, red and blue are also available for several of our LED light bulbs as well.  

Safe, cool, reliable and energy efficient; upgrade your boat lights with our latest LED replacement boat bulbs and join the LED marine lighting revolution today!

And if you have any questions about any of the LED bulbs you see here, feel free to contact a member of our team and we’d be happy to guide you.


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Price:$11.95 EachIn Stock (289)
"Bullet" G4 LED Bulb, Warm White, 10-30VDC "Bullet" LED Replacement Bulb Omni-Directional
  • Overview
  • Features
  • Specifications
"Bullet" LED Replacement Bulb, Warm White, 10-30VDC, Omni-Directional, G4 Socket 

The "Bullet" is a fully encapsulated LED bulb designed to replace the common 10W or 20W G4 halogen and xenon bi-pin bulbs. Its omni-directional board design projects an even cast of illumination in all directions making it ideal for wall sconces and appliques yet compact enough for small spots and ceiling fixtures. 
  • Fully encapsulated design for wet and corrosive environments
  • High output SMD LEDs
  • Constant current drive topology
  • Over-voltage protection
  • No radiated heat
  • Omni-directional viewing angle
  • Automatic Thermal Rollback Protection
  • Also compatible with 12VAC (supplied from transformers)
Certifications & ComplianceCE
Output ColorWarm White
Lifetime Hours30,000 hrs
Dimmer CompatibilityIntervolt Switchmode Dimmer
Halogen Equivalency15W
Manufacturers Part NoILTWG4-1.5W-B
Input Voltage10-30VDC (&12VAC)
Dimensions0.38" (10mm) dia x 1.05" (27mm) height
Bulb Socket TypeG4 Bi-Pin
Warranty2 Years
Power Consumption1.5W
Ingress ProtectionIP65
Light TechnologyLED
Beam Angle90°+
Luminous Flux190lms
DriverIntegrated Constant-Current
Install LocationSpots, Sconces, ceiling fixtures
Electrical ProtectionsOver-voltage
Correlated Color Temperature (CCT)2900K
OrientationBack Pin
Approximate Ship Weight (lbs)1


Cancer and Reproductive Harm-


Marine Light Bulb Resources:

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After you have taken a look through all of the marine light bulbs we have to offer here at IMTRA, head over to the Learning Center to learn more. Here are a few to get you started:

And if you have any questions about any of the LED bulbs you see here, feel free to contact a member of our team and we’d be happy to guide you.