1987-1988 GMC V3500 L6 4.8L 12si High Output Alternator Pulley:Double V-Belt Pulley This is a direct fit

This is a direct fit high-output alternator for the 2009-2014 GMC Savana 1500 5

some vehicles will require modifications for fitment

This is a direct fit high-output alternator for the 2008-2014 Lexus IS F 5

Give them something special

1987-1988 GMC V3500 L6 4.8L 12si High Output Alternator Pulley:Double V-Belt Pulley This is a direct fitFitment: This is a direct fit high output alternator for the 1987 1988 GMC V3500 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