1970-1978 GMC C25 Suburban V8 6.6L 12si High Output Alternator Shopify Collective When you need more control

When you need more control why not bring two to the party

Most orders are shipped ahead of schedule

Wiring instructions will be included with your order

This is a direct fit high-output alternator for the 1963-1964 Oldsmobile Dynamic 6

This is a direct fit high-output alternator for the 1967 GMC P1500 4

1970-1978 GMC C25 Suburban V8 6.6L 12si High Output Alternator Shopify Collective When you need more controlFitment: This is a direct fit high output alternator for the 1970 1978 GMC C25 Suburban 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