1977-1979 Pontiac Catalina L6 4.1L 12si High Output Alternator Amperage:250 amp alternator View our Regulator Options Here

View our Regulator Options Here

This is a direct fit high-output alternator for the 1991-1994 Chevrolet Blazer 5

This is a direct fit high-output alternator for the 1976 GMC G15 6

This is a direct fit high-output alternator for the 1973-1981 Chevrolet Camaro 5

1977-1979 Pontiac Catalina L6 4.1L 12si High Output Alternator Amperage:250 amp alternator View our Regulator Options HereFitment: This is a direct fit high output alternator for the 1977 1979 Pontiac Catalina 4. 1L. 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