1979-1987 GMC Jimmy V8 5.0L 12si High Output Alternator Pulley:V-Belt Pulley some vehicles will require modifications

some vehicles will require modifications for fitment

This is a direct fit high-output alternator for the 1989-1992 Chevrolet P30 3

This is a direct fit high-output alternator for the 1987 GMC R1500 6

Polaris Charcoal Powdercoating offers a high-quality powdercoating finish for alternators

This is a direct fit high-output alternator for the 1977-1986 Chevrolet K10 Suburban 5

1979-1987 GMC Jimmy V8 5.0L 12si High Output Alternator Pulley:V-Belt Pulley some vehicles will require modificationsFitment: This is a direct fit high output alternator for the 1979 1987 GMC Jimmy 5. 0L. 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