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Bulbs failed after about 8 months. No warranty replacement available via my previous order details.

Amazing little lights for reverse light markers... Way brighter than stock and does not create issues with the BCM. I highly recommend them!

I just had my rear window tinted using 5% film so I need a much brighter bulb. This 2,000 lumen bulb is a beast! There is now no noticeable difference between the original bulb and no tint, versus this bulb with a 5% tint.Very happy.

This LED replaces my 921 incandescent. It is bright, appears to be made well, but was a very tight fit. This can be an issue, especially if it is going in something light a third brake light. As you can see in the photograph, it is a bit taller than the bulb it replaces. While that height difference may not make much difference in some applications, it made it difficult to install in my third brake light housing. It actually touches the top of the housing. While that wouldn't be a huge deal physically, it has LEDs on the top that are now firing directly against the housing. Think heat and possible fire. IF this was a light that I expected to stay on for a longer period than what I expect while just applying brakes, I would not have used it. I also suspect this will affect longevity.I almost knocked off a star for them not just showing a picture like I did to make the dimensions obvious. I mean, who wants to go measure and existing 921 to see it this is the same dimension? However, the bulb seems fine so I'm not going to knock the product because the seller didn't provide an easy size comparison. I mean, if you want to sell these, why not take a picture of it beside the few incandescents it replaces?

Had some troubles with the first set but seller replace with no issues. Second set have been working great for 6 months and still going great.

High quality built. After trying different led globes for my Honda HRV both lower and higher priced without much joy, I came across a review of this brand and decided to give them a try. They beat all the others by far and provide excellent light quality.

Just installed these "brightest" back-up lights in a 2013 Ford edge. The base of the led are super thick, so you have to work really hard to shove the led in place. There is a small component that does hit the bulb socket, but since it takes so much effort to push them in place, you can wiggle the led out a bit until no components come in contact with the socket and you will never, never, ever have to worry about them wiggling loose. My sockets were already a bit brittle and had small bits missing from when the original bulbs were installed, so a little bit more of the sockets kinda crumbled when i inserted these bulbs. not enough to hurt the functionality of the led lights. Non-polarity, which is great because i think i may need the jaws of life to remove them from the socket when the time comes. I would hate to have to try to pry them out to reverse them. I am very surprised that they took the abuse and strain i needed to insert the led bulb, so they are apparently built rather sturdy. Definitely super bright. At least 4 times brighter than the "super bright" JDMASTAR they are replacing. Turns night into daytime for the back-up camera. I have not had luck with these types of bulbs in the past, so we'll see how long they last. Still working Dec 2019.

Bought in april 2018 and today October 2023 one finally died. There is a lot of moisture in the light so likely even my fault. Either way over 5 Years is very good for the price. They are very bright compared to stock and very cheap compared to others... I will order another set today and keep ordering themuntil they stop selling them.Easy install no errors on 2016 f250 reverse tail lights. Hopefully they hold up since circuits are exposed. Ill update post if they fail but for now I love them. So much brighter I can't even look at them. I almost bought 80$ pair, so glad I didn't. Even considered adding light for my trailer to see when backing up. If these hold up I will be thrilled.So After a few months I can say they are still going strong. So far they made it through a very rainy snowy few months here in north PA. I used them to help me with my utility trailer (5x8) on my f250. since it is smaller than the truck it helps out so much when backing up. So far a few friends made the purchase as well just based off how bright they are and price. I think ima pick up an extra set in case i need down the road at this price. I cant go back to bulbs now.

Because I've had very good experiences with Luyed, I decided to give these bulbs a shot in my 2014 Ram. As usual, they arrived quickly and in this nice little box - the bulbs were in an anti static bag. Like the last time I bought bulbs from this seller, I'm thinking these are NOT 1550 lumens and will test them in the next couple of days to see how close they are; I'm guessing the actual output is around 1000 lumens - maybe a bit less. That said, I put these in my back up lights to replace the factory bulbs and it's like having headlights in the rear of my truck! I knew the bulbs that came with the truck were feeble, but I had no idea just HOW feeble they were. If they last as well as my other Luyed bulbs, I'm going to be a seriously happy person. Should a problem arise, I will update this review and will update actual output as soon as I have time. Just know these are a BRIGHT blue/white light and it really IS like having headlights for back up lights. Just do your homework to be sure you get the correct bulb for your vehicle; you can find the manufacturers bulb number online and from many other sources. Just match up the number and you'll know your chose wisely.JUST FYI: If you have a back up camera in your vehicle, these bulbs, or any others, will NOT make much of a difference for you because your camera is already designed to be low light sensitive and automatically compensates, generally down to 1 LUX or so for backing up at night. That said, you should STILL use your mirrors in addition to your camera for a FULL view around your vehicle to be absolutely safe; and that's where these bulbs really shine (pun intended).UPDATE 6/6/17: I like this brand enough to refit more of my bulbs on my '14 Ram, but had questions. I made contact through Amazon to Luyed and had a response within a couple of HOURS. After a few back and forth emails, my questions were addressed by a very nice person at Luyed. I'm going to (already ordered) update my turn signals; both front and rear, and the 3rd stop light (same as these bulbs because they're "HOLY COW" bright) which also has my cargo lights in the bar. I wanted to know if they were aware of any hyper flashing issues. Their response was the bulbs wouldn't work because they believed my bulbs were a CK base (they aren't, and I'll cover how to tell CK from STANDARD in my review of the new bulbs in a few days when I get them installed and can also comment on the hyper flash question). The other question I had for them was how I can buy a single bulb rather than a pair which is how they sell them (the 3rd stop requires 3 bulbs - 1 for stop and 2 for cargo) as I want an odd number of the 921's for that purpose. I was made a very kind offer addressing that issue. Their customer service deserves 5 stars. DON'T hesitate to contact them with questions. The dealer for your brand of vehicle (parts department) is also a good source of information if you're not sure what bulb numbers you need.Speaking of dealers, I went to the Ram dealer yesterday inquiring about a flasher rather than considering resistors. While I did NOT get a definitive answer about the flasher I can hear inside the cabin, he told me that, essentially, the same electronic modules for some functions are the exact same ones on ALL Ram's of that year regardless of engine and trim level and, possibly (he couldn't be absolutely certain), the hyper flash may not be an issue because the top trim lines use many of the same modules as the entry trim lines. I will update all of this information when the new bulbs arrive on 6/8, and will do so in those reviews on those bulbs: Luyed 3157 amber and red. Stay tuned . . .UPDATE: New bulbs arrived and I installed them in my 3rd stop light. They are so bright I can EASILY read a newspaper with the tailgate down. If you actually USE your pickup for hauling things (some don't), these are an absolute MUST for cargo lights. The bulb change takes about 90 seconds on my '14 Ram (two #2 phillips screws, turn the socket about 1/8 turn counterclockwise and pull out; pull bulbs straight out, push new bulbs straight in, replace screws snugly [DON'T overtighten - just SNUG]). HUGE improvement!!