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G4 Bi-Pin

G4 Bi-Pin

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In general, you should select a G4 LED bulb replacement bulb which has the LEDs facing the direction in which you want the light to throw.

While your original incandescent bulb was isotropic (omni-directional), LEDs benefit by being directional and are much more efficient with the LEDs facing toward the surface to be illuminated. The exception is all-around lights like anchor lights, or lamps with a glass, opaque, or fabric shades. In these cases you should select an omni-directional LED bulb.

  • On Sale
    Waterproof LED G4 Bulb

    Mini Waterproof G4 LED Bulb

    Now: $12.50
    Was: $15.00
    This bulb uses the latest Tesla Chip-On-Board LED emitter, which blasts out 190 real-world lumens in a tiny G4 format bulb. It is fully waterproof using a special thermal silicone with super-high refractivity. This allows for a nearly perfect...
    TW-G4-COB-1.5W
    Now: $12.50
    Was: $15.00
  • Waterproof G4 LED bulb 12V

    G4 LED Waterproof High Output Bulb

    $16.00
    Our customers have been telling us for years that they wanted a high output waterproof LED bulb for certain marine applications.  The trouble was that LEDs like to breathe.  In fact, their life depends on being able to dissipate their heat...
    TW-G4-3W
    $16.00
  • G4 Socket Adapters - Bayonet / Edison (AD-G4)

    $4.00
    Adapt any Bi-Pin G4 LED bulb to a bayonet or screw-type Edison E26 / E27 or Mini E14 screw-type socket. Bayonets and screw types bulbs are common in older boats and RVs. Insert the adapter into your existing socket and convert to any bi-pin style G4 LED...
    AD-G4
    $4.00