1987 Chevrolet R20 V8 5.0L cs130 High Output Alternator Pulley:6-Rib Serpentine Pulley This is a direct fit

This is a direct fit high-output alternator for the 2007-2022 GMC Sierra 1500 6

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This is a direct fit high-output alternator for the 1988-1989 Dodge D100 3

1987 Chevrolet R20 V8 5.0L cs130 High Output Alternator Pulley:6-Rib Serpentine Pulley This is a direct fitFitment: This is a direct fit high output alternator for the 1987 Chevrolet R20 5. 0L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a 14. 8 Volt GM Style Internal Regulator with one wire connection. This alternator is not plug and play and must be wired with the one wire connection. NOTE: If you require charging at a certain voltage setpoint, we offer a selection of