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2018 Mazda3 2.0 w preferred package, deep dark blue
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Discussion Starter · #1 ·
As I understand it the 2357A bulbs are used on older Mercedes turn signals and the wattages are higher for both the parking filiment and the turn signals so I replaced them on my just bought '07 Mazda3i T. The 2357A's are 8.3W & 28.? watts respectively.

However, the stock bulbs were Stanley bulbs that were 8.0W & 27W respectively.

Did not notice a huge difference, however all the Pep Boys around me seem to be phasing the "Long Life" 2357A bulbs out.

The 'regular' 1157 bulbs are something like ~6 watts & ~26 watts respectively.
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