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#2621438 - 05/08/12 04:08 PM Sylvania 3047 vs. 3057 bulb question
BobsArmory Offline


Registered: 03/28/10
Posts: 747
Loc: Home of the CTS-V
Trying to find a sivlerstar bulb to fit the back up light my truck. It has a 3047 bulb in it but I can't find a silverstar 3047 but I can find 3057 silverstars. They look identical, what's the difference??

If I can't get better lighting using this route, is there any other way to go about this?
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#2621462 - 05/08/12 04:26 PM Re: Sylvania 3047 vs. 3057 bulb question [Re: BobsArmory]
tommygunn Offline


Registered: 01/27/11
Posts: 3061
Loc: usa
I think its the same, just brighter in specifications. So it should work fine really.
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#2621474 - 05/08/12 04:44 PM Re: Sylvania 3047 vs. 3057 bulb question [Re: BobsArmory]
dparm Offline


Registered: 04/19/10
Posts: 12612
Loc: Chicago, IL
3047:

12.8/14.0 Volt 1.60/0.48 Amp 20.5/6.72 Watt S8 Miniature Plastic Wedge Base, C-6/C-6 Filament Design. 1,500/5,000 Average Rated Hours, 2.07" Maximum Overall Length.



3057:

12.8/14.0 Volt 2.1/0.48 Amp 26.88/6.72 Watt S-8, Plastic Wedge Base, 32 MSCP C-6/C-6 Filament Design, 2.09" Maximum Overall Length, 1,200/5,000 Average Rated Hours.



The following are considered interchangeable:
3047, 3057, 3157, 3357, 3757, 4057, 4157, and P27/7W.
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#2621480 - 05/08/12 04:51 PM Re: Sylvania 3047 vs. 3057 bulb question [Re: BobsArmory]
stro_cruiser Offline


Registered: 02/26/11
Posts: 539
Loc: Coconut Creek, South Florida
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#2621500 - 05/08/12 05:09 PM Re: Sylvania 3047 vs. 3057 bulb question [Re: stro_cruiser]
BobsArmory Offline


Registered: 03/28/10
Posts: 747
Loc: Home of the CTS-V
I tried that but they gave me a bum part number, Thanks though!

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#2621519 - 05/08/12 05:28 PM Re: Sylvania 3047 vs. 3057 bulb question [Re: BobsArmory]
dparm Offline


Registered: 04/19/10
Posts: 12612
Loc: Chicago, IL
3157 will give you a TON of choices. It's a very common European bulb.
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2011.5 BMW M3 saloon ZCP
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Castrol Edge Professional TWS 10w60 + Mahle OX 254D3

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#2621533 - 05/08/12 05:39 PM Re: Sylvania 3047 vs. 3057 bulb question [Re: BobsArmory]
eljefino Offline


Registered: 06/15/03
Posts: 26207
Loc: ME
danielsternlighting.com has good stuff in their tech info section.

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