I replaced the stock 70 amp alternator on my 300e with the above one earlier this year and the bearing went out in it.

What size bearings are used in a 1997 S420 143amp alternator (AL0162X)? I haven’t opened the alternator yet. Just thought I would ask and find out.

Any help is appreciated.

Thanks,

HS

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1986 300E (3/2002) Rear ended and totaled (10/2009)
2000 Xterra (5/2000)
1992 400E (11/2009) -Sold
1986 300E (12/2009) - Sold
2004 E500 Wagon (6/2013) - Sold