1987-1989 GMC R2500 V8 5.7L 12si High Output Alternator JS Alternators This strong protective coating increases

This strong protective coating increases durability and helps to prevent rust and corrosion

This is a direct fit high-output alternator for the 2004-2008 Ford F-150 4

This is a direct fit high-output alternator for the 1967 Chevrolet G10 Van 4

This is a direct fit high-output alternator for the 2011-2014 Ford Expedition 5

1987-1989 GMC R2500 V8 5.7L 12si High Output Alternator JS Alternators This strong protective coating increasesFitment: This is a direct fit high output alternator for the 1987 1989 GMC R2500 5. 7L. 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