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Internet # 312651422

Model # 5164120

Store SKU # 1005181755

40-Watt Equivalent G9 Dimmable Clear LED Light Bulb Bright White Light (10-Pack))

Includes 10 bulbs ($6.35 /bulb)
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  • Ideal energy-saving replacement for halogen bulbs
  • Produces bright 3,000K bright white light
  • UL- and cUL-listed for safe and smooth use
  • View More Details
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Product Details

About This Product

This G9 LED (10-Pack) is an ideal energy-saving replacement for JCD halogen light bulbs. A color temperature of 3000K creates bright white light perfect for under-cabinet lights, accent lighting, chandeliers and vanity fixtures. Suitable for use in enclosed fixtures and damp locations in outdoor rated landscape lighting. Reduce energy costs saving up to 88% when used in place of a halogen light bulb. Make the switch to Westinghouse LED light bulbs. Westinghouse is a trusted, global brand. Westinghouse knows lighting and offers products with exceptional quality, reliability and functionality. Product reference number 51641.


  • Brightness: 500 Lumens
  • Estimated yearly energy cost: $0.60 (Based on 3 hours/day, 11/kWh, costs depend on rates and use)
  • Life: 22.8 years (Based on 3 hours/day)
  • Light appearance: 3000K (bright white)
  • Energy used: 5-Watt (equivalent to a 40-Watt standard halogen light bulb)
  • Lumens per watt: 100
  • Uses 88% less energy compared to a standard halogen light bulb
  • Ideal for use in under-cabinet lights, decorative lighting fixtures, and landscape lighting, approved for damp locations and totally enclosed fixtures
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  • Return Policy

Product Information

Internet # 312651422

Model # 5164120

Store SKU # 1005181755

Additional Resources

Shop All Westinghouse



Bulb Diameter (In.)


Product Height (in.)

2.13 in


Actual Color Temperature (K)


Average Life (hours)


Bulb Color


Bulb Construction


Bulb Finish


Bulb Shape

Corn Cob

Bulb Type


Color Rendering Index (CRI)


Color Temperature

Bright White



Control Type


Damp/Wet Rating

Damp Rated

Dimmable Capability

Non Dimmable


Not Applicable



Light Bulb Base Code


Light Bulb Base Type

Universal 2-Pin

Light Bulb Features

Dimmable, Enclosed Fixture Rated, Energy Saving

Light Bulb Setup


Light Bulb Shape Code


Lighting Technology


Lumens (Brightness)


Max. Operating Temperature (F)

104 °F

Number of Bulbs Included




Volt (v)


Wattage (watts)


Wattage Equivalence

40 Watt

Warranty / Certifications

Certifications and Listings

UL Listed, cUL Listed

Manufacturer Warranty


Questions & Answers

Q:The description said this product produces bright white light. Shouldn't 3000k produces warm light?
by|Jul 1, 2024
1 Answer
Answer This Question

A:  Thank you for your question. Our 5164100 LED is 3000 kelvin temperature, and 3000 kelvin temperature is considered more on the warm side. The higher the kelvin temperature, the brighter the color temperature. If you are looking for a bright white color appearance, we recommend a higher kelvin temperature above 3500 kelvin.

by|Jul 2, 2024
    Q:The bulb I’m trying to replace seems exactly the same except the item number which is 51640. Will this work?
    by|Apr 23, 2024
    1 Answer
    Answer This Question

    A:  Thank you for your question. Items 51640 and 51641 are the same G9, 120-volt, 5-watt LED. Item 51640 has 480 lumens, and 51647 has 500 lumens.

    by|Apr 24, 2024
      Q:The description nor the specifications say what voltage theses are for. Are they 12V or 120 V ?
      by|Oct 15, 2020
      1 Answer
      Answer This Question

      A:  These light bulbs are 120 volts.

      by|Oct 16, 2020
        Q:Is there a Lutron dimmer that can be used with these? Is any separate driver required?
        by|Mar 27, 2020
        1 Answer
        Answer This Question

        A:  Yes, this dimmable LED has been tested and rated to use with Lutron dimmers. Please see the Specification sheet for this LED as it is listed on the Westinghouse Lighting website at: www.westinghouselighting.com and it lists dimmers that have been rested and rated to use with this LED.

        by|Mar 30, 2020
          Showing 1-4 of 4

          Customer Reviews

          5 out of 5

          • 5 out of 7 reviews
          • 100% recommend this product
          Filter by:
          Showing 1-7 of 7 reviews
          Spend less on your power bill
          These bulbs are made exclusively for G9 fixtures and really provide a lot of light for their size. In addition to lasting longer than traditional bulbs, they also can save you money on your power bill providing equal or greater light for less money. In addition to more light for less money these bulbs can be used with a dimmer making more flexibility in use.
          • Recommended
          Efficient LED Option
          We have a series of undercabinet lights that use a G9 Halogen Bulb that have worked well but they give off a high amount of heat when on and during the summer months you can feel the temperature go up. So we decided to give these Westinghouse 40 – Watt G9 Dimmable Clear LED Bright White Bulbs a try. They came packed well in a larger box that holds 10 individually packed single bulbs. Changing the bulbs out was easy as could be. These bulbs give off almost no noticeable heat when compared to the original halogen ones we are replacing. They are bright white which is nice for under cabinet use because you want a good amount of light for cooking and reading recipes. All in all we are happy with this lighting upgrade and highly recommend them. Made in China
          • Recommended
          6 found this review helpful
          Cool Running, Bright Light.
          We are designing some outside lighting with custom fixtures that will require efficient and cool lighting. These small bulbs will work well in the design and small cavity allowed for the bulb. We have G9 sockets these will fit into and make bulb changing easier. The small bulbs are very bright and are cool when lit. We plan to install a dimmer to set the mood and to reduce glare when full lighting is not needed.
          • Recommended
          Awesome G9 LED bulb
          The Westinghouse 40W equivalent / 120V / G9 base LED bulb uses only 5W. The bulb is Bright White 3000k / 500 lumens and can last up to 22 years or 25,000 hours based on 3hrs use per day. This bulb contains no mercury, is suitable for damp locations and in totally enclosed fixtures. The bulb is made of durable Polycarbonate which can withstand high temperatures. The manufacturer offers a 5 year limited warranty against defects and craftsmanship.
          • Recommended
          Nice clean design on these bulbs as well as super bright!
          There isn’t a lot to be said for a light bulb, but these appear to be well made and efficient. The G9 bulb is not in many figures but we do have three pendant lights in our kitchen over the island that require these bulbs and I currently had 3 different bulbs installed. Now they are all the same with a little bit more brightness. This are dimmable which is great because at full power they are a bit bright, but we are keeping them at about 25-30% which works great for our everyday needs. When working on any project at the kitchen island having the room to make them brighter for those projects is a huge bonus. It's a 10 pack so we should be set for a long time with replacing them as any go dead or burn out, which could be years when using and LED bulb! I would recommend these bulbs from this manufacturer!
          • Recommended
          Very bright and dimmable
          • Verified Purchase
          • Verified Purchase
          Showing 1-7 of 7 reviews