1973-1978 GMC C35 V8 7.4L 12si High Output Alternator Amperage:250 amp alternator This is a direct fit

This is a direct fit high-output alternator for the 1963 Oldsmobile F85 3

This is a direct fit high-output alternator for the 2009-2010 Ford F-250 Super Duty 5

and many times cured electrical gremlins that were brought on by compromised wiring

This is a direct fit high-output alternator for the 2005-2021 GMC Sierra 1500 4

1973-1978 GMC C35 V8 7.4L 12si High Output Alternator Amperage:250 amp alternator This is a direct fitFitment: This is a direct fit high output alternator for the 1973 1978 GMC C35 7. 4L. 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