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

Alternator for 1988 GMC P2500

Fits: 85 amp gasoline Without 8 Cyl, 454 cid (change)

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