There are 6 choices

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4 Cyl, 121 cid (2.0L)
- 100 amp
- 85 amp
4 Cyl, 138 cid (2.3L)
- 100 amp
- 85 amp
4 Cyl, 151 cid (2.5L)
- 100 amp
- 74 amp

Alternator for 1989 Pontiac Grand AM

Fits: 4 Cyl, 151 cid 2.5L 100 amp (change)

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