1989-1997 GMC P3500 V8 7.4L High Output Alternator Amperage:400 amp alternator These all require more amperage

These all require more amperage than the stock alternator is capable of providing

This is a direct fit high-output alternator for the 1970-1971 Chevrolet Chevelle 6

This is a direct fit high-output alternator for the 2007-2011 Dodge Caliber 2

This is a direct fit high-output alternator for the 2003-2006 Toyota Tundra 4

This is a direct fit high-output alternator for the 1985 Buick Somerset Regal 3

1989-1997 GMC P3500 V8 7.4L High Output Alternator Amperage:400 amp alternator These all require more amperageFitment: This is a direct fit high output alternator for the 1989 1997 GMC P3500 7. 4L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a 14. 8 Volt GM Style Internal Regulator with one wire connection. This alternator is not plug and play and must be wired with the one wire connection. NOTE: If you require charging at a certain voltage setpoint, we offer a selection