Product Description
Click Image for more pictures and specifications. Buy 10 per SKU and save 10%.
24 SMD chips on this bulb. Competitor bulbs only have 18 chips to save money but do it at the expense of light output.
Full Aluminum Cage, you can feel the weight difference! Competitor Bulbs have fiber cages.
921-24-5050-WW+
24 Warm White Light 5050 SMD LEDs (if you prefer Cool Bright White Light, see item 921-24-5050-CW or Natural White see item 921-24-5050-NW)
Easy push installation
Standard T10 Wedge base - may ship silver or white Cross References to incandescent bulbs 904, 904NA, 906, 906NA, 912, 916, 916NA, 917, 920, 921, 922, 158, 160, 161, 161B, 168, 168A 168NA, 175, 193, 194, 194B, 194G, 194NA, 194R, 2821, 2825, 2827, 2886X, 3652, 558, 579, 658, W5WB
Important Information about Lumens and Visual Light Output
| Specifications | |
| Item Number | 921-24-5050-WW |
| Color Kelvin | 3200 |
| Calculated Lumens | 360 |
| Amps at 12.8v DC (Fluke Actual) | 0.17 |
| Rated Volts | 10-30v DC |
| Polarity | Non Polarity |
| Overall Length | 1 3/4" |
| Overall Width (or diameter) | 3/4" |
| Overall Height | n/a |
Product Videos
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Product Reviews
176 Reviews Hide Reviews Show Reviews
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Perfect replacement for filament
I'm really picky about LED light color, as I strongly prefer warm tone and hate that blue hue LEDs often have. These are perfect, a nice warm tone and exactly the same color as the stock incandescent bulbs (ran both in a 2-light fixture side-by-side) and a bit brighter to boot. Great service from M4, got the bulbs quickly.
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great upgrade
Much nicer than stock. Brighter, warmer light hues and no heat on my lenses in my rv
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Far better light quality than the old filament bulbs
These LED light bulbs are awesome. They are brighter and the light quality is superior to the old bulbs (the color is much better and easier on your eyes). On top of it all they use about 1/10 the power that the old bulbs use.
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perfect replacement!
After trying many bulbs on my own, I got smart. Research on Utube from Rvgeeks showed me the light. I talked to Steve, ordered a few to try, and now replaced all 26 with M4 bulbs. Their warm led bulbs truly are the right color. Now I'm looking into bulbs for my truck.
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Great prices on great bulbs
If you want great bulbs at a good price with fast shipping. This is the place.
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Great product looks perfect
These lights draw so much less power and look identical to the original bulbs the trailer came with, well worth the change and the customer service can't be beat I have recommended M4 to all my friends.
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LED's for our camper
It's hard to find LED's in soft or warm white that don't look bluish in color. We needed 34 for our RV. These LED's were very close tot he incandescent lights that came with the RV; but don't get hot and use a fraction of the energy. We do a lot of self contained camping so saving battery power is great. Awesome !!
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The right bulb
Last time I ordered the wrong bulbs this time I got it right. Perfect it with the right amount of light.
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Very bright and better than incandesant
Got 4 of these bulbs to try them in the 2 light fixture I use the most in my travel trailer. They are much brighter than I anticipated but no where near as hot as the incandescent bulbs they replaced. I am always plugged in to AC power but I have noticed the converter not running anywhere near as much when I have just these 2 lights on. Again, great service from M4. Ordered them on a Sunday, they shipped on Monday and arrived on the East Coast on Thursday.
