1987-1988 GMC R3500 L6 4.8L 12si High Output Alternator

1987-1988 GMC R3500 L6 4.8L 12si High Output AlternatorFitment: This is a direct fit high output alternator for the 1987 1988 GMC R3500 4. 8L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high output alternator, and the other side will plug into the factory plug. NOTE: If you require charging at a certain voltage setpoint, we offer a selection of

7 Rib 45mm Serpentine Pulley for hairpin alternators

This is a direct fit high-output alternator for the 1989-1991 Chevrolet V2500 Suburban 5

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They produce more output at idle and are more efficient than a conventional alternator

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8L or the Pentastar 3