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2002 C230 Coupe, Valeo vs. Bosch

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Old 02-18-2022, 07:07 PM
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2002 C230 Coupe, Valeo vs. Bosch

I seem to recall way back people having difficulty switching between the Valeo and Bosch alternators on 2002 C230 Coupe.
I have the Valeo, but not sure what the part number is, or if it matters?
Anyone recall anything about this? Can't find any posts on this.
Old 02-19-2022, 08:34 AM
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Why not just caller the dealer for a PN? I imagine the Valeo and Bosch PNs will be different if they aren't interchangeable.
Old 02-19-2022, 05:46 PM
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Originally Posted by slammer111
Why not just caller the dealer for a PN? I imagine the Valeo and Bosch PNs will be different if they aren't interchangeable.
True...I just remembered some chatter here years ago about them not being interchangeable.
Thought maybe somebody might remember or have a link, since I searched and didn't find it.
Old 02-20-2022, 04:07 AM
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I drive a Toyota Hybrid...
wow how many miles on your car now?
Old 02-21-2022, 05:36 PM
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My alternator is Bosch and my voltage regulator is Valeo...

I did have an issue prior to this alternator with another one i swapped it out with what I have now and no issues going on a few years.

I did look up the part # in EPC it gave me both Valeo and Bosch options...
Old 02-21-2022, 05:39 PM
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I should clarify. I’ve heard (not confirmed) that the voltage regulator and alternator brand must match, but the brand itself doesn’t matter as they’re both designed to work with the same engine. Guessing the electrical specifications between the brands vary a bit.
Old 02-24-2022, 08:49 AM
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You are in a huge city so you may even find an alternator rebuilding shop.. Cheaper... if you can afford the down time

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