Alternator: 63-71 GM - 55 amp (Ext Regulator)
AC Delco GM Alternator 55 amp - massive use.. best replacement for the 42amp alternator too giving the system a bit more power.
(External Regulator Type)
If you also need a wiring connector the number to search for is PW12605 
MORE IMAGES OF THIS ALTERNATOR at the bottom of this listing
55 AMP - FAMILY DE-10DN - FAN EF - REGULATOR External - UNIT MFR DE - 3 O'CLOCK - PULLEY 1V - A/C - V8
| AMERICAN MOTORS | AMERICAN | 1963-1968 |
| AMERICAN MOTORS | CLASSIC | 1965-1966 |
| AMERICAN MOTORS | RAMBLER | 1969 |
| BUICK | CENTURION | 1971 |
| BUICK | ELECTRA | 1966-1969 |
| BUICK | ESTATE WAGON | 1970-1971 |
| BUICK | GS 350 | 1968-1969 |
| BUICK | GS 400 | 1968-1969 |
| BUICK | GS 455 | 1970-1971 |
| BUICK | LESABRE | 1966-1971 |
| BUICK | RIVIERA | 1967-1969 |
| BUICK | SKYLARK | 1968-1971 |
| BUICK | SPECIAL | 1968-1969 |
| BUICK | SPORTWAGON | 1968-1971 |
| BUICK | WILDCAT | 1964-1970 |
| CADILLAC | CALAIS | 1968-1971 |
| CADILLAC | DEVILLE | 1963-1969 |
| CADILLAC | FLEETWOOD | 1968-1971 |
| CHECKER | DELUXE | 1969 |
| CHECKER | MARATHON | 1969-1973 |
| CHEVROLET | BEL AIR | 1968-1971 |
| CHEVROLET | BISCAYNE | 1968-1971 |
| CHEVROLET | BLAZER | 1969-1971 |
| CHEVROLET | BROOKWOOD | 1969-1970 |
| CHEVROLET | C10 PICKUP | 1968-1971 |
| CHEVROLET | C10 SUBURBAN | 1968-1971 |
| CHEVROLET | C20 PICKUP | 1968-1971 |
| CHEVROLET | C20 SUBURBAN | 1968-1971 |
| CHEVROLET | C30 PICKUP | 1968-1971 |
| CHEVROLET | CAMARO | 1967-1971 |
| CHEVROLET | CAPRICE | 1966-1971 |
| CHEVROLET | CHEVELLE | 1969-1971 |
| CHEVROLET | CHEVY II | 1962-1968 |
| CHEVROLET | CORVETTE | 1963-1968 |
| CHEVROLET | EL CAMINO | 1969-1971 |
| CHEVROLET | G10 | 1969-1971 |
| CHEVROLET | G20 | 1969-1971 |
| CHEVROLET | G30 | 1970-1971 |
| CHEVROLET | IMPALA | 1969-1971 |
| CHEVROLET | K10 PICKUP | 1968-1971 |
| CHEVROLET | K10 SUBURBAN | 1968-1971 |
| CHEVROLET | K20 PICKUP | 1969-1971 |
| CHEVROLET | K20 SUBURBAN | 1969-1971 |
| CHEVROLET | K30 PICKUP | 1968-1971 |
| CHEVROLET | KINGSWOOD | 1969-1971 |
| CHEVROLET | MONTE CARLO | 1970-1971 |
| CHEVROLET | NOVA | 1969-1970 |
| CHEVROLET | P10 | 1969-1971 |
| CHEVROLET | P20 | 1969-1971 |
| CHEVROLET | P30 | 1969-1971 |
| CHEVROLET | TOWNSMAN | 1970-1971 |
| GMC | C15/C1500 PICKUP | 1968-1971 |
| GMC | C15/C1500 SUBURBAN | 1968-1971 |
| GMC | C25/C2500 PICKUP | 1968-1971 |
| GMC | C25/C2500 SUBURBAN | 1968-1971 |
| GMC | C35/C3500 PICKUP | 1968-1971 |
| GMC | G15/G1500 VAN | 1969-1971 |
| GMC | G25/G2500 VAN | 1969-1971 |
| GMC | G35/G3500 VAN | 1970-1971 |
| GMC | JIMMY | 1970-1971 |
| GMC | K15/K1500 PICKUP | 1968-1971 |
| GMC | K15/K1500 SUBURBAN | 1968-1971 |
| GMC | K25/K2500 PICKUP | 1968-1971 |
| GMC | K25/K2500 SUBURBAN | 1968-1971 |
| GMC | K35/K3500 PICKUP | 1968-1971 |
| GMC | P15/P1500 VAN | 1969-1971 |
| GMC | P25/P2500 VAN | 1969-1971 |
| GMC | P35/P3500 VAN | 1969-1971 |
| GMC | SPRINT | 1971 |
| JEEP | JEEPSTER | 1968-1971 |
| OLDSMOBILE | 442 | 1965-1969 |
| OLDSMOBILE | 98 | 1963-1971 |
| OLDSMOBILE | CUSTOM CRUISER | 1971 |
| OLDSMOBILE | CUTLASS | 1962-1970 |
| OLDSMOBILE | CUTLASS SUPREME | 1967 |
| OLDSMOBILE | DELMONT 88 | 1967-1968 |
| OLDSMOBILE | DELTA 88 | 1965-1971 |
| OLDSMOBILE | DYNAMIC | 1960-1966 |
| OLDSMOBILE | F85 | 1962-1971 |
| OLDSMOBILE | JETSTAR 88 | 1964-1966 |
| OLDSMOBILE | SUPER 88 | 1960-1961 |
| OLDSMOBILE | TORONADO | 1968-1970 |
| OLDSMOBILE | VISTA CRUISER | 1965-1969 |
| PONTIAC | ACADIAN | 1968-1971 |
| PONTIAC | BONNEVILLE | 1963-1970 |
| PONTIAC | CATALINA | 1963-1966 |
| PONTIAC | EXECUTIVE | 1967-1970 |
| PONTIAC | GRAND PRIX | 1969-1970 |
| PONTIAC | GTO | 1969-1971 |
| PONTIAC | LEMANS | 1964-1971 |
| PONTIAC | TEMPEST | 1964-1970 |
| PONTIAC | VENTURA | 1971 |
Couldn't load pickup availability
AC Delco GM Alternator 55 amp - massive use.. best replacement for the 42amp alternator too giving the system a bit more power.
(External Regulator Type)
If you also need a wiring connector the number to search for is PW12605 
MORE IMAGES OF THIS ALTERNATOR at the bottom of this listing
55 AMP - FAMILY DE-10DN - FAN EF - REGULATOR External - UNIT MFR DE - 3 O'CLOCK - PULLEY 1V - A/C - V8
| AMERICAN MOTORS | AMERICAN | 1963-1968 |
| AMERICAN MOTORS | CLASSIC | 1965-1966 |
| AMERICAN MOTORS | RAMBLER | 1969 |
| BUICK | CENTURION | 1971 |
| BUICK | ELECTRA | 1966-1969 |
| BUICK | ESTATE WAGON | 1970-1971 |
| BUICK | GS 350 | 1968-1969 |
| BUICK | GS 400 | 1968-1969 |
| BUICK | GS 455 | 1970-1971 |
| BUICK | LESABRE | 1966-1971 |
| BUICK | RIVIERA | 1967-1969 |
| BUICK | SKYLARK | 1968-1971 |
| BUICK | SPECIAL | 1968-1969 |
| BUICK | SPORTWAGON | 1968-1971 |
| BUICK | WILDCAT | 1964-1970 |
| CADILLAC | CALAIS | 1968-1971 |
| CADILLAC | DEVILLE | 1963-1969 |
| CADILLAC | FLEETWOOD | 1968-1971 |
| CHECKER | DELUXE | 1969 |
| CHECKER | MARATHON | 1969-1973 |
| CHEVROLET | BEL AIR | 1968-1971 |
| CHEVROLET | BISCAYNE | 1968-1971 |
| CHEVROLET | BLAZER | 1969-1971 |
| CHEVROLET | BROOKWOOD | 1969-1970 |
| CHEVROLET | C10 PICKUP | 1968-1971 |
| CHEVROLET | C10 SUBURBAN | 1968-1971 |
| CHEVROLET | C20 PICKUP | 1968-1971 |
| CHEVROLET | C20 SUBURBAN | 1968-1971 |
| CHEVROLET | C30 PICKUP | 1968-1971 |
| CHEVROLET | CAMARO | 1967-1971 |
| CHEVROLET | CAPRICE | 1966-1971 |
| CHEVROLET | CHEVELLE | 1969-1971 |
| CHEVROLET | CHEVY II | 1962-1968 |
| CHEVROLET | CORVETTE | 1963-1968 |
| CHEVROLET | EL CAMINO | 1969-1971 |
| CHEVROLET | G10 | 1969-1971 |
| CHEVROLET | G20 | 1969-1971 |
| CHEVROLET | G30 | 1970-1971 |
| CHEVROLET | IMPALA | 1969-1971 |
| CHEVROLET | K10 PICKUP | 1968-1971 |
| CHEVROLET | K10 SUBURBAN | 1968-1971 |
| CHEVROLET | K20 PICKUP | 1969-1971 |
| CHEVROLET | K20 SUBURBAN | 1969-1971 |
| CHEVROLET | K30 PICKUP | 1968-1971 |
| CHEVROLET | KINGSWOOD | 1969-1971 |
| CHEVROLET | MONTE CARLO | 1970-1971 |
| CHEVROLET | NOVA | 1969-1970 |
| CHEVROLET | P10 | 1969-1971 |
| CHEVROLET | P20 | 1969-1971 |
| CHEVROLET | P30 | 1969-1971 |
| CHEVROLET | TOWNSMAN | 1970-1971 |
| GMC | C15/C1500 PICKUP | 1968-1971 |
| GMC | C15/C1500 SUBURBAN | 1968-1971 |
| GMC | C25/C2500 PICKUP | 1968-1971 |
| GMC | C25/C2500 SUBURBAN | 1968-1971 |
| GMC | C35/C3500 PICKUP | 1968-1971 |
| GMC | G15/G1500 VAN | 1969-1971 |
| GMC | G25/G2500 VAN | 1969-1971 |
| GMC | G35/G3500 VAN | 1970-1971 |
| GMC | JIMMY | 1970-1971 |
| GMC | K15/K1500 PICKUP | 1968-1971 |
| GMC | K15/K1500 SUBURBAN | 1968-1971 |
| GMC | K25/K2500 PICKUP | 1968-1971 |
| GMC | K25/K2500 SUBURBAN | 1968-1971 |
| GMC | K35/K3500 PICKUP | 1968-1971 |
| GMC | P15/P1500 VAN | 1969-1971 |
| GMC | P25/P2500 VAN | 1969-1971 |
| GMC | P35/P3500 VAN | 1969-1971 |
| GMC | SPRINT | 1971 |
| JEEP | JEEPSTER | 1968-1971 |
| OLDSMOBILE | 442 | 1965-1969 |
| OLDSMOBILE | 98 | 1963-1971 |
| OLDSMOBILE | CUSTOM CRUISER | 1971 |
| OLDSMOBILE | CUTLASS | 1962-1970 |
| OLDSMOBILE | CUTLASS SUPREME | 1967 |
| OLDSMOBILE | DELMONT 88 | 1967-1968 |
| OLDSMOBILE | DELTA 88 | 1965-1971 |
| OLDSMOBILE | DYNAMIC | 1960-1966 |
| OLDSMOBILE | F85 | 1962-1971 |
| OLDSMOBILE | JETSTAR 88 | 1964-1966 |
| OLDSMOBILE | SUPER 88 | 1960-1961 |
| OLDSMOBILE | TORONADO | 1968-1970 |
| OLDSMOBILE | VISTA CRUISER | 1965-1969 |
| PONTIAC | ACADIAN | 1968-1971 |
| PONTIAC | BONNEVILLE | 1963-1970 |
| PONTIAC | CATALINA | 1963-1966 |
| PONTIAC | EXECUTIVE | 1967-1970 |
| PONTIAC | GRAND PRIX | 1969-1970 |
| PONTIAC | GTO | 1969-1971 |
| PONTIAC | LEMANS | 1964-1971 |
| PONTIAC | TEMPEST | 1964-1970 |
| PONTIAC | VENTURA | 1971 |
