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This 3157 switchback led bulb can fit for these socket models: T25, 3157, 3157A, 3157NA, 3157NAK, 3157K, 3157X, 3157LL, 3157NALL, 3157ST, 3157AK, 3047, 3047K, 3057, 3057A, 3057K, 3357, 3457, 3457A, 3457NA, 3457K, 3757, 4057, 4057K, 4157, 4157NA, 4157K, 4114, etc.
Note: The 3157 switchback turn signal bulbs will only work for dual-function lights that have FRONT turn signal lights and DRL/parking lights function in one bulb. Otherwise, the switchback bulbs will only work in one color or will not light up. And for TRUCKS, Only fit 12V Voltage trucks.
April
Reviewed in the United States on March 7, 2025
No hyper flashing and very bright.
Daniel B.
Reviewed in Canada on March 21, 2025
I have a 1999 Toyota RAV4 and needed new LED turn signal bulbs. I tried three brand name bulbs before, and they all caused a 'Hyper Flash'.I bought these as a last resort, and they WORKED!!! There is NO hyperflash, and they are very bright.Very Happy
6.0 wizard
Reviewed in Canada on March 20, 2025
Nice n bright
Adam S.
Reviewed in the United States on March 19, 2025
So far, works well. No hyper flashing.7443 switch back bulb operation: bright white during "dim/parking" mode. During turn signal, bright white turns off and bright amber flashes. After turn signal turns off, bright white illuminates. Fan only operates during signal mode.Let's see how long they last.
RYDE CUSTOM TRUCKS
Reviewed in Canada on March 16, 2025
These are super bright. No hyper flash. Come with little fans
KP
Reviewed in the United States on February 3, 2025
I recently upgraded my turn signal bulbs to these 1157 switchback LEDs and regular, and I couldn't be happier. The built-in resistors truly eliminate hyper flash, making installation seamless—just plug and play with no extra wiring or resistors needed.The brightness is outstanding! These bulbs are 1000% brighter than halogens, providing a crisp white for DRLs and a sharp amber for turn signals. The 360° lighting ensures excellent visibility, and the dual-color function works flawlessly in my vehicle. Regular color is accurate.Durability is another plus—built with an advanced cooling system, these bulbs stay cool and are built to last. Plus, they’re waterproof, making them reliable in all weather conditions.Overall, if you’re looking for a high-quality, error-free, and ultra-bright LED upgrade, these are perfect. Highly recommend and seller is very responsive if any issues.
Dee Black
Reviewed in the United States on February 27, 2025
They very bright and it looks good on my car.
jim
Reviewed in the United States on February 19, 2025
These are an EXACT match for my Front directionals they DOUBLE as DRLS (daytime running lights) when they are not being used for directionals..( 2012 Honda CRV)Its So nice to be SEEN again at intersections and rotary'sNo tools needed took 1 minute per bulb to install What a great easy upgradeIf you have been thinking about switching to led...on an older car DO it !! it SOOOOO worth the effort and cost
CN
Reviewed in Canada on February 14, 2025
Works as intended! Although the DRL is a bit dim, the turn signals works great, no hyper flash. Time will tell how long it'll last, but so far it's good.Works for vehicles where the front turn signals are dual function.
Arun
Reviewed in Canada on January 22, 2025
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oldpink
Reviewed in the United States on May 8, 2024
I bought these to replace the stock 7443 combination daytime running lamp/turn signals for my 2013 Dodge Dart SXT.I had to move my air filter around to get the passenger side LED replacement installed before reinstalling that air filter, and the driver side LED went right in without having to do anything more than removing the stock incandescent lamp and inserting the LED replacement.Keep in mind that these are switchback LED lamps, so the daytime running light mode will be with white light (my stock incandescent lamps were orange regardless of either mode), and the turn signals or hazard lights switching over to orange.I checked all of the modes of the newly installed LED lamps and everything works perfectly lighting wise, with everything significantly brighter than the stock incandescent lamps.I'm also happy to say that I don't get the "hyper flash" that some people get with LED turn signal replacements, but the reason that I knocked one star off of this for the review is because I still get a "Parking Light Out" error on my dash.Obviously, this error is only a minor annoyance, and I'm unwilling to go through the trouble installing a resistor between one of the LED lamps (it only requires one resistor since both sides are wired in series) because of having to deal with how to attach a resistor that gets very hot, so I'll just grin and bear it with the dash error for now.These have integral fans to deal with the greater heat that can be generated in turn signal mode, and whatever the case, the brightness and instant on nature of the lamps are a welcome change from the stock incandescent lamps.UPDATE: I reluctantly chose to removed these and put the stock incandescent lamps back in their place.The reason was because I couldn't overcome the dash errors, regardless of how hard I tried, including installing the resistors in the wiring.The errors persisted until I had a "check engine" light, which causes two problems: 1) I have no idea just by seeing the light whether this is just the lights or something more serious that requires attention, 2) Once I get a "check engine" light, my remote start is disabled until the fault is cleared.This is unacceptable to me, and even though I spent another $30 buying resistors to solve this, those failed as well.Apparently, other people have had success with these, either with or without the resistors, but Dodge Dart owners should be warned that there is probably no ready LED solution for the front turn signals unless you have an electrical engineering degree and can fabricate some sort of Rube Goldberg solution.
Rafael F. Alvarez
Reviewed in the United States on December 15, 2024
High bright, no fast blinking, no computer error sign, but his life barely lasted 2 months.
JeremyT
Reviewed in the United States on October 27, 2024
So this is by far the brightest turn signal bulb I have ever seen. At night when at a stoplight I can see its reflection bouncing off everything around me. Which is good, we want to be seen by other drivers. However it has never switched over to clear running lights. It’s always just flashed orange like a normal bulb would do. Which is unfortunate since the price you pay is higher because it’s a switchback bulb. I know there’s load resistors and there’s this and there’s that but this is sold as not needing any of that. It’s says it has built in load resistors and is plug and play. So buyer beware it doesn’t work like it says in every vehicle. I kept it however just because I’ve never seen a brighter bulb. Def a bit disappointed that it didn’t work as it says
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