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Old 04-15-2003, 10:41 AM
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Join Date: Jan 2003
Posts: 140
70 or 80 Amp Alternator?

Could someone explain me the difference between a 70 and a 80 Amp Alternator. Everyone sells the 80Amp cheaper than 70Amp. I am in a market for one on my 1987 260E and can't figure out which one to buy.

1984 MB 300D Turbo Diesel W123 Sedan 132K
1987 MB 300D Turbo W124 Sedan 295K
1983 Porsche 944 104K
1989 Audi 80 Quattro 180K
2002 Audi A6 3.0 Quattro Avant 49K (Wife's car with warranty )

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Old 04-15-2003, 10:49 AM
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Join Date: Jun 1999
Location: Surrey, Beautiful British Columbia, Canada
Posts: 750
call dealer with your VIN, they will tell you.

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Old 04-15-2003, 11:39 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The 1986 thru 1989 used the 70A alt. The 1990 & later uses the 80A. You can install the 80A on earlier cars with the later wiring harness MB part # 124-543-45-26 (list $66.) The 80A works much better esp/w hi-power stereo systems OR in hot climates where the A/C runs all of the time.
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