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> Voltage regulator recs, I'd like to have a spare
robkammer
post Sep 13 2026, 02:31 PM
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Brain trust: I have a bout 60 miles on the LE motor and it's running pretty well. I have the regulator that came with the car, age is unknown. I am getting voltage readings anywhere between 12.6 to 14.2 at the battery depending on the rpm and temperature. My questions: Pelican shows a Hella unit that looks just like to one I have. Are there any solid state units out there that would be better to have? I don't have a spare so I'm going to order whatever is recommended, if for nothing else but to have a spare. BTW, the alternator looks to be a relatively new addition, prior to my taking stewardship, it's a Bosch reman.
Robbo
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porschetub
post Sep 13 2026, 03:09 PM
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QUOTE(robkammer @ Sep 14 2026, 08:31 AM) *

Brain trust: I have a bout 60 miles on the LE motor and it's running pretty well. I have the regulator that came with the car, age is unknown. I am getting voltage readings anywhere between 12.6 to 14.2 at the battery depending on the rpm and temperature. My questions: Pelican shows a Hella unit that looks just like to one I have. Are there any solid state units out there that would be better to have? I don't have a spare so I'm going to order whatever is recommended, if for nothing else but to have a spare. BTW, the alternator looks to be a relatively new addition, prior to my taking stewardship, it's a Bosch reman.
Robbo

The Hella one made in china appears to be the same one sold for some time by them that I can confirm doesn't fit properly ...whey they continue to sell them is beyond me : (IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/headbang.gif) .
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914Sixer
post Sep 13 2026, 06:13 PM
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Here you go >Real Bosch. Only place I know you can get them now. Shows listing for Opel but don't worry. $50 plus shipping then import tax. Click to open .


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emerygt350
post Sep 13 2026, 06:25 PM
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So much better than the old ones.

https://a.co/d/0g9OTQnY
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pfreiburger
post Sep 13 2026, 06:29 PM
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Hello - Does anyone make an internal regulator alternator for the 914-4?
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Ishley
post Sep 13 2026, 06:52 PM
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I use this one I bought on Amazon. Works fine and is adjustable. Plugs in and was a direct swap. I installed it last year… 3k miles with no issues.


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scottthephotog
post Sep 13 2026, 07:28 PM
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I also just bought one of those voltage regulators off of Amazon. So far I haven't had any issues and it is nice that it is adjustable.
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dtmehall
post Sep 13 2026, 08:41 PM
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is that the white adjusting screw on the bottom?
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Ishley
post Sep 13 2026, 09:25 PM
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Yes. I set it with my digital meter which is more accurate than my console gauge.
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