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LED tower bulbs with 13 diodes upgrade or replace 906 and 921 light bulbs to provide warm white light for your automotive, RV, or marine application. Compatible with dimmable fixtures. Built-in surge protection. Wedge base.
Features:
Specs:
Light Bulb Cross-Reference
This 906/921 bulb has a wedge base which is the same base that is on the following light bulb types:
Color temperature refers to the color of the light emitted by a bulb or lamp. This light is ranked on a scale of 1,000 to 10,000 Kelvins (K), which gives you an idea of what color the light will be. These ratings are generally grouped into warm white and cool white classifications. This bulb is rated at 3,500 K, providing a warm white light.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Switched out the last of the incanecents in my RV. These bulbs worked great.
Excellent product shipped expediently thanks so much
Lights are more like old fashions lights. Very pleasant
Less draw on batteries, better lighting
They last a couple weekends. Only a couple have not stopped working.
Draws less on batteries and a much brighter light!
These bulbs began failing almost immediately.
I put the incandescent bulbs back in most of the fixtures. One or two of the chip LEDs begins flickering and it just gets worse.
Jenny N.
7/18/2024
These bulbs do have a 5 year warranty. I am happy to send the warranty instructions to you if you are interested.
A snug fit but is a much cooler bulb than 921. good fit for our camper inside lighting.
Wonderful replacement for the hot halogen bulbs in our 2011 Northern Lite. We will have a better idea of the colour and intensity when it gets dark tonight, but seems like it will be perfect.
So far so good. Nice and bright without being super white tho still white light. 4 start because made in China - would gladly pay more for made in USA but had real hard time finding that.
a little whiter color than incandescent bulb. not as bright as "starlight LED wedge" bulb.
These light bulbs really make a difference in our trailer. They don’t get hot and are brighter. It gets dark when our battery runs low and these stay brighter longer. We ordered more because they were so easy to install.
I used these to replace the LED lights in our motor home. The old LED’s were bright white, almost a blueish tint and not very bright. The warm white LED’s provide a more, well…warm light. They don’t hurt our eyes and provide a more homey feel.
They worked fine and we’re a lot better than the bulbs I had in my RV previously! Give off plenty of light and doesn’t add much heat in my camper. Texas weather can be brutal in the summer.
I like the light bulbs. It fit fine and does provide more light. I will replace the rest of the bulbs in the RV as they burn out.
Needed replacement bulbs for my camper. These work great!
Great product! I do not like the blue tint of LED lights. This is the best of both worlds, soft white light and energy saving LED technology.
These swapped right out with the old incandescent bulbs. After one year they all still work well.
Installed in all interior dome fixtures in our older Jayco motorhome. Required slight modification to get the bulbs to insert into dome light receptacle due to sharp angles on the bulb base. Pleased with the LED lighting and lowered heat production. All LED bulbs have remained secure with no further issues. My installation issue likely due to the particular fixtures in our motorhome. Would recommend to others looking to replace filament 12v bulbs.
Bright light and no flickering
Ed
6/23/2025
They have been wonderful. No blinking as we had on others. Great purchase.
These bulbs work great. I replaced all of our old incandescent and not only do they use a lot less power, but the lighting is superior. Thank you for always providing great products at a very fair price.
I wanted to replace the old bulbs in my trailer but everywhere I looked they were going to cost me $xx or more per pair. I found etrailer while looking on line for trailer parts and was very surprised how affordable the bulbs were. I ordered all the bulbs in the trailer for less than half the cost I was expecting. They arrived yesterday and I put them in. Wow, what a difference. Way better light output, much less battery power being used. All for a fraction of the cost. And the quality of the bulbs was all I had hoped it would be. I was talking to one of my neighbors about your web site and it turns out he has been an etrailer.com customer for a while. Thank you for what you do.
James
3/19/2023
Still working great and no problems with any of them. Very happy with the product and the price couldnt be beat.
Lights only last a couple weekends. Clearly not a good product.
Katrina D.
10/23/2023
Well, it is a good thing that these have a 5 year warranty. I will send you the warranty information via email.
They are perfect. Great customer serv ice!
These are the ones you want to replace 921 incandescent bulbs! I have some LED's that I got from Amazon, but they are very dim in comparison. These lights are nice and bright. Both these and the ones from Amazon are hard to push into the socket (don't give up, like I did originally)! I saw reviews about LED's ruining radio reception but I've had no trouble with mine.
Dennis
4/30/2025
Unfortunately weve only been able to use the camper for 3 nights due to a bout of covid caught on the first night of a planned long trip. The good news is that the lights are still working great!
I replaced all the bulbs in my camper with these leds. They are a brighter than the originals and about one fourth the wattage. I am expecting to get much better battery length when not using electric. It only took two days to get my order. I am very happy with etrailer.
Michael
11/10/2025
I dont know. I sold the camper, but im sure they are working out great for them.
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time.
Jenny N.
8/4/2023
If you still have the bulbs, they do have a five-year warranty. I can send you the warranty details.