1979 GMC G1500 V8 6.6L 12si High Output Alternator JS Alternators but if you're looking at

but if you're looking at modifying it down the road (winches/lights/etc) then you'd want 2GA

This is a direct fit high-output alternator for the 2015-2023 Dodge Challenger 6

This is a direct fit high-output alternator for the 1984-1986 Jeep Cherokee 2

This is a direct fit high-output alternator for the 1990-1995 Chevrolet C1500 5

1979 GMC G1500 V8 6.6L 12si High Output Alternator JS Alternators but if you're looking atFitment: This is a direct fit high output alternator for the 1979 GMC G1500 6. 6L. 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