1967-1984 GMC G2500 L6 4.1L 12si High Output Alternator JS Alternators This is a direct fit

This is a direct fit high-output alternator for the 1968-1971 Buick LeSabre 5

This means it is internally regulated and will excite itself with no plug use

some vehicles will require modifications for fitment

This is a direct fit high-output alternator for the 1964-1967 Oldsmobile F85 5

1967-1984 GMC G2500 L6 4.1L 12si High Output Alternator JS Alternators This is a direct fitFitment: This is a direct fit high output alternator for the 1967 1984 GMC G2500 4. 1L. 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