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100 amp
- diesel
- gasoline
  - 8 Cyl, 454 cid (7.4L)
  - Without 8 Cyl, 454 cid
105 amp
- 8 Cyl, 454 cid (7.4L)
- Without 8 Cyl, 454 cid
120 amp
- diesel
- gasoline
165 amp
66 amp (diesel)
78 amp
- diesel
- gasoline
85 amp
- diesel
- gasoline
  - 8 Cyl, 454 cid (7.4L)
  - Without 8 Cyl, 454 cid
94 amp

Alternator for 1989 GMC P2500

Fits: 94 amp (change)

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