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921-24-5050-CW Cool White 5050 SMD Light Bulb with Wedge Base

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Your Price:
$9.99 (You save $2.50)
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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.


24 Cool Bright White Light 5050 SMD LEDs  (if you prefer Warm White Light, see item 921-24-5050-WW

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

Item Number 921-24-5050-CW
Color Kelvin 5500
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

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Product Reviews

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  1. Love the daylight 5 Star Review

    Posted by on 2nd May 2017

    I ordered six of the 921-24-5050 -CW to replaced over dinning table and ceiling in my Trailer. They were so easy to replace the standard bulbs. I likes them so well I ordered 5 more so all of the inside of my trailer lighting was updated. Love them.
    A lot less drain on battery too!

  2. RV LEDS 5 Star Review

    Posted by on 19th Apr 2017

    Bought them for the motorhome and they work great.

  3. M4LED That Shines... 5 Star Review

    Posted by on 31st Mar 2017

    I order 6 each of these # 921-24-5050-CW LED Lamps to update my lighting in my new 5th Wheel. They greatly increased my light output, with the best feature of lowering my current draw off my battery system to just a sipping of energy.
    These new LED Lamps are a win/win for any RV'r who takes a rig on the road....

  4. I can see my food 5 Star Review

    Posted by on 10th Dec 2016

    We installed these in our chandelier over our table on a dimmer and now we can see our food before we taste it. We had purchased some inexpensive leds and they would hardly change brightness. We got a 10 pack and plan to use them in the bedroom too where my wife loved to read mysteries.

  5. Heat generated 5 Star Review

    Posted by on 6th Sep 2016

    Very pleased with the difference in heat generated compared to the 921 lights I replaced. I will definitely be ordering more M4 products.

  6. Very tight fit 4 Star Review

    Posted by on 26th Jul 2016

    Very happy with the light output from these lamps. Not having to worry about polarity like on other wedge lamps purchased was a nice plus. Was concerned about installing the lamps as the wedge base was very tight, and need more force than I would have expected was afraid of damaging the assembly. Now able to light my RV using far less power. Ordered on Tuesday night and installed them 4 night later.

    M4 Note: Some sockets are tighter than others. When tight align the wedge, then place your finger at the top of the LED. Rock it back and forth slightly while applying pressure to the top and it will drop into place.

  7. Nice and Bright 5 Star Review

    Posted by on 20th Jul 2016

    Purchased these bulbs as part of a project to convert all the lighting in our motor coach to LED bulbs. These 921 replacement bulbs fit the fixtures in the closet and basement of the coach. These bulbs are noticeable brighter and whiter than the bulbs they replaced - which is great considering how they're being used. These bulbs are a "direct swap" replacement for old 921 bulbs - however, I will say that these were definitely very snug fit in the fixture compared to the glass base wedge bulbs they replaced. I had to "lean into 'em" to get them into the base hard enough that I was a little worried that I might damage the fixture itself. Fortunately, they finally popped in - so it was a case of all's well that ends well. I'm loving the bright white light!

  8. Cold White light bulb 5 Star Review

    Posted by on 9th Jul 2016

    Product shipped very quickly despite postal service miss handling here in Texas. Product once again far surpassed my expatation. Brighter and better light than original LED.

  9. The cool white is Very WHITE 5 Star Review

    Posted by on 27th Jun 2016

    The light is good to read by, more of a direct light than general lighting. Takes some getting used to because it is a VERY VERY WHITE light. Not that it's a bad thing, just seems unnatural for what we are used to, No flickering and no yellow, imagine that!?

    Super fast delivery and great packaging! Will definitely order more from, and will recommend M4 in the future!

    M4 Note: See our Color Range Page at http://www.m4products.com/bulb-cross-reference-and-color-range/

  10. 921 replacement buld 5 Star Review

    Posted by on 22nd Jun 2016

    This bulb far exceeded my expatations. Was much brighter that expected. Perfect for the application that I was using it for which was a dark closet.

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