1970-1980 GMC K3500 V8 6.6L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley This is a direct fit

This is a direct fit high-output alternator for the 2011-2022 Ford F-350 Super Duty 6

This is a direct fit high-output alternator for the 1986-1992 Ford F-250 5

There are two different types of pulleys for this vehicle

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1970-1980 GMC K3500 V8 6.6L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley This is a direct fitFitment: This is a direct fit high output alternator for the 1970 1980 GMC K3500 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