1989-1991 Chevrolet R2500 Suburban V8 7.4L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley This is a direct fit

This is a direct fit high-output alternator for the 1967-1970 Pontiac Catalina 6

This is a direct fit high-output alternator for the 1986-1992 Ford F-150 5

This is a direct fit high-output alternator for the 2006-2011 Honda Civic 1

This is a direct fit high-output alternator for the 1978-1987 Oldsmobile Cutlass 5

This is a direct fit high-output alternator for the 1987 Chevrolet Blazer 5

1989-1991 Chevrolet R2500 Suburban V8 7.4L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley This is a direct fitFitment: This is a direct fit high output alternator for the 1989 1991 Chevrolet R2500 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