Difference between 3057 and 3157 bulbs? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 02-18-2007, 02:38 PM
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Gen5 Difference between 3057 and 3157 bulbs?

Hi there-

Can anyone tell me - are 3057 and 3157 incandescent bulbs truly interchangeable?

I had a dead tail light bulb in my '05 Camry. My owner's manual calls for a 3157, so that's what I bought. But when I popped out the old bulb, it was a 3057. Sylvania.com also calls for a 3057 (contradicting my owner's manual, but consistent with the original bulb).

I installed the 3157, and it seems to be working fine, but I guess I'm looking for some level of assurance that it's OK to replace a 3057 with a 3157. As far as I can tell, there's no discernable difference in brightness or heat produced, and I'm also encouraged by the table at the following link, which seems to indicate that the 3057 and 3157 specs are identical:

http://www.sylvaniaautocatalog.com/n...9&FigNumber=27

Thanks,
Andy
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#2 Old 02-18-2007, 11:42 PM
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^they are physically interchangable, but on the "low" filament, the 3057 is weaker than the 3157 (2 mcd < 3 mcd).

note: 3357 bulbs have the same "low" filament as the 3057 and 3157, but the "high" filament is 40 mcd (compared to the ~30 ish of the 3057 and 3157). i put 3357 bulbs (they have a grey base if i remember correctly) in place of the oem 3157 about 3 months ago and my bulbs are still working. i expect them to go out sometime this year, becuase they have a short 400 hour lifespan- which is the main disadvantage.

and yes, i'm talking about a taillight/stoplight, but for an '03 camry. i assumed the gen 5.5 uses the same bulbs.

Last edited by JustAnotherAsian; 02-18-2007 at 11:44 PM.
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#3 Old 02-19-2007, 12:37 PM
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Many thanks for the response. I think I get it - the two bulbs produce the same amount of illumination for the brake lights, but the 3157 is slightly brighter than the 3057 when just the tail lights are on, right?

Of course this will bother me now, and I'll probably feel compelled to install the other 3157 so I have a matched pair. I didn't notice a difference in brightness during dusk hours, but I'll have to take a look at night, when it's really dark.

Andy
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#4 Old 02-21-2007, 06:13 PM
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Quote:
Originally Posted by amyers827
Many thanks for the response. I think I get it - the two bulbs produce the same amount of illumination for the brake lights, but the 3157 is slightly brighter than the 3057 when just the tail lights are on, right?

Of course this will bother me now, and I'll probably feel compelled to install the other 3157 so I have a matched pair. I didn't notice a difference in brightness during dusk hours, but I'll have to take a look at night, when it's really dark.

Andy
correct. and you're also correct in the lack of a very noticable differnce in brightness.

it's a faint difference, but it's there for sure.
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#5 Old 01-11-2012, 11:17 AM
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Replacing both lamps.

Quote:
Originally Posted by amyers827 View Post
Many thanks for the response. I think I get it - the two bulbs produce the same amount of illumination for the brake lights, but the 3157 is slightly brighter than the 3057 when just the tail lights are on, right?

Of course this will bother me now, and I'll probably feel compelled to install the other 3157 so I have a matched pair. I didn't notice a difference in brightness during dusk hours, but I'll have to take a look at night, when it's really dark.

Andy
In all cases, since the output of all incandescent lamps decreases with time of use, both (or all) lamps should be changed at the same time when any one of them burns out. That is standard procedure in the lighting industry,
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