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Old 10-20-2003, 01:09 PM
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Mike Murrell Mike Murrell is offline
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Join Date: Feb 2000
Posts: 2,359
Question Difference between Bosch AL66X & AL166X alternator

My vehicle is listed below in my signature. Some sources say the Bosch AL66X is the replacement reman; others say the AL166X is. Both are 80 amp from what I'm able to dig up and their mounting holes line up the same.

Would appreciate it if anyone could tell me the difference between these 2 alternators.

Thanks for your time.
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
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