SYLVANIAZEVO 3157 White LED Bulb, (Contains 2 Bulbs)

SYLVANIA - 3157 ZEVO LED White Bulb: This bulb is higher wattage (1.7/0.7W) than the red version (1.5/0.4W) on both segments (high and low power 3157 'filaments'/LEDs).If used as a single filament 3156 bulb you get the bright filament/LED, the low wattage 'filament' is unused.LED facts: This one uses White LEDs so most of the light is absorbed by the red plastic lens that normal/OEM cars use for break/stop/running. I tried the red ZEVO LED bulb version behind the same lens and IT IS BRIGHTER than the white even though it is lower wattage. THIS IS CORRECT. The white LEDs emit a low percentage of light in the red spectrum so most of the white LED light is absorbed which makes for a dimmer light after passing through a red lens. Most of the red LEDs light (high percentage) passes through a red lens. The white one is good for the backup light only and also, perhaps, a amber lens.An issue, there are two sides to this LED and a large center heatsink. This makes for a no-light center spot. Since the light is so bright this is a minor issue (for me). Regular bulbs have a center bright/hot spot so this LED design is the opposite.Also, since the LED is two sided they will emit most light either up/down or left/right. In my 1997-2000 Caravan design tail lights I get both up/down and left/right. This is not a big issue since the lenses are a good design and the light both bounces around well and is captured by the Fresnel lens facets and reemitted in a good pattern. Matter of fact the lenses emit is a nice full bright glow instead of having the usual hot spot in the center. Different but nice. [from my red ZEVO review, use the red one behind your red lenses]Remember, if used for the turn signal light you'll have the usual fast blink issue. You'll have to install a 6/4/3 ohm resistor to stop the fast blink.

I started with some garbage "iBrightstar" backup lights that were a few dollars cheaper. They looked nothing like the picture, and in fact barely made contact with the terminals in the socket. As a result, only one worked, and it popped out of its poor fitment after a couple of miles. Price determined they were not worth my time to return, refund, or replace. All to often I think some of these companies peddling inferior garbage gamble on just that - send them garbage, they won't even bother to ask for a refund...On to the Sylvania Zevo 3157. Unlike the iBrightstar, this was a direct replacement to the backup lights in a 2004 Grand Cherokee Laredo. They actually "snapped" into place more positive that the incandescent bulbs they replaced, which possibly could have been the original factory bulbs. Factory or not, they were at least factory equivalent. The Zevos are WAAAAAAY brighter, and really help backing down the driveway before dawn where I used to struggle to focus on the edge of the driveway in the side mirror. So - they hands down smoke the garbage never-heard-of-them off brands, but they blow away the factory bulbs in brightness, beam spread, and beam distance. The unexpected bonus was that they actually have a more positive fit the the factory bulb. I wont waste my time and money in the future. Don't cheap out, buy the Sylvania, even if you don't spring for the Zevo line.

Super easy to install.

These lights piss me off when i am facing them going down the road, so i has to get my own. Perfect fit. nice and bright.

Color is pure white and they are just as bright as the stock bulbs. I'm running stock GROTE (Part # 53792) lights. The inside reflector isn't anything more than a thin steel plate, reflection is minimal. They might be a little bit brighter but IDK. FYI the stock incandesent 3157s are 27 watts or 2.1 amps each and reach temps of 370 deg. F. The 3157 ZEVO LEDs are 2 watts or .87 amps each and reach temps. of 84 deg. F. The LED version will last a lot longer and won't overheat the socket, highly recommend.

I bought a set of these 3157's for my 2020 S550+ model Mustang's reverse/back-up light to replace the incandescent bulb (only needed one fir the Mustang). It worked plug and play right away, no issues. I didn't test their claim that it worked regardless of polarity simply because I forgot. I saw that it worked first time, and just let it be. It is brighter, amd throws no codes or flickering. As far as value for the money, I would have to guage that against it's longevity, so I cannot fairly evaluate that... just installed yesterday. Of note, I bought these after trying a bulb from Diode Dynamics which claimed to be plug and play for my car.... that one did NOT work, so I got these. I will also be installing these 3157s into my 2019 Ram Cargo lights and the High Mount third Brake Light over the bed. I haven't installed those yet, but after the Mustang's success, I have no doubts.

Used to replace backup lights in an 1999 GMC truck. Excellent upgrade. The backup lights now double as rear "running lights". Much-Much easier to see during the day than the old incandescent bulbs.Looking forward to seeing how long these last, but aluminum housing design sure looks far more durable than many of the other LED bulbs I've been using.

Why did you pick this product vs others?:Sylvania products are reliable Functionality:I do not recommend these for a Jeep Wrangler. The light design does not direct the light out the back of the enclosure but directs it out the sides which causes brake and turn signals to be very dim. May be fine in other vehicles.