1973-1978 GMC C15 Suburban V8 7.4L 12si High Output Alternator Pulley:Double V-Belt Pulley Once you click an option

Once you click an option the pictures will reflect what style alternator it is in which you will need to confirm it is the correct style for your vehicle

This is a direct fit high-output alternator for the 1986-1987 Oldsmobile 98 3

This is a direct fit high-output alternator for the 1968-1972 Chevrolet K20 Pickup 5

This is a direct fit high-output alternator for the 1982-1986 Buick Century 2

1973-1978 GMC C15 Suburban V8 7.4L 12si High Output Alternator Pulley:Double V-Belt Pulley Once you click an optionFitment: This is a direct fit high output alternator for the 1973 1978 GMC C15 Suburban 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