| Generator to Alternator Conversion Guide | ||||||||||
| Lookup your vehicle and find the 6 Volt or 12 Volt alternator we offer for your vehicle. You can also find the correct pulley size and conversion bracket for your application or pick the Powermaster PowerGen (alternator in a generator case) that will fit your application. | ||||||||||
| Buick | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1929-30 | All | 6 | Negative | 5/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1931-32 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1933-36 | 50,60,80,90 | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1934-36 | 40 | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1937-39 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1940-50 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1951-53 | All | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1953-57 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1958 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1959-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1961 | Special | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Cadillac | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1937-39 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | Call for info | Call for info |
| 1940-42 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | Call for info | Call for info |
| 1946-48 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1949-51 | All | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1953-56 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1957-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Chevrolet Passenger | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1926-29 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1930-32 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1933-36 | All | 6 | Negative | 5/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1937-39 | All | 6 | Negative | 5/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1940-52 | All | 6 | Negative | 5/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1952-54 | After 4/52 | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1955-59 | Wo/PS | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1955-59 | W/PS | 12 | Negative | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | |
| 1960-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Corvette | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1953-54 | All | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1955-57 | Wo/PS | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1958-59 | Wo/PS | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1955-59 | W/PS | 12 | Negative | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | |
| 1960-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Chevy Trucks | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1937-40 | All | 6 | Negative | 5/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | Call for info | Call for info |
| 1941-52 | All | 6 | Negative | 5/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1953-54 | 1/2 to 1 Ton | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1953-54 | 1 1/2 Ton up | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1955-59 | Wo/PS | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1955-59 | W/PS | 12 | Negative | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | |
| 1960-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Chrysler | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1942-48 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1949-50 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-55 | W/6V Wo/PS | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-56 | W/PS | 6 | Positive | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | |
| 1953-57 | W/12V | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| 1958-60 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| DeSoto | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1940-49 | to early 49 | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1949-50 | late 49 up | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-55 | All | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-56 | W/PS | 6 | Positive | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | |
| 1956-60 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Dodge | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1940-48 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1949-50 | to early 50 | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1950-55 | Wo/PS | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-56 | W/PS | 6 | Positive | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | |
| 1956 | Wo/PS | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| 1957-60 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Ford Model A | ||||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | ||
| 1928-31 | All | 6 | Positive | 5/8" | 7127-6VP | Not Available | 7127-12VP | Not Available | ||
| Ford Cars | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1932-39 | All | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1940-50 | All | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1951-53 | All | 6 | Positive | 3/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82026 | 82021-2 |
| 1954-55 | All | 6 | Positive | 3/8" | 7127-6VP | FHF | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956-65 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Ford Trucks | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1941-47 | 6 Cyl | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | Call for info | Call for info |
| 1948-53 | 6 Cyl | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1940-41 | V8 | 6 | Positive | 3/4" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1942-48 | V8 | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1949-52 | V8 | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82026 | 82021-2 |
| 1953 | All | 6 | Positive | 3/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82026 | 82021-2 |
| 1954-55 | All | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956-64 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Hudson | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1930-32 | All | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | Call for info | Call for info |
| 1933-39 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | Call for info | Call for info |
| 1940-49 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | Call for info | Call for info |
| 1950-52 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1953-54 | W/PS | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1953-54 | Wo/PS | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1953-55 | Jet | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1955 | L6 exc Jet | 6 | Positive | 1/2" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1955 | L8 exc Jet | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956 | W/Autolite | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| 1956-1957 | W/Delco | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Lincoln | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1936-37 | Zepher | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | Call for info | Call for info |
| 1938-48 | V12 | 6 | Positive | 3/4" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1949 | All | 6 | Positive | 3/4" | 7127-6VP | FHF | 7127-12VP | FHF | 82026 | 82021-2 |
| 1950-51 | All | 6 | Positive | 3/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82026 | 82021-2 |
| 1952-55 | All | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Mercury | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1939-41 | All | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1942-49 | All | 6 | Positive | 5/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82016 | 82011-2 |
| 1950-53 | All | 6 | Positive | 3/8" | 7127-6VP | FHF | 7127-12VP | FHF | 82026 | 82021-2 |
| 1954-55 | All | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Oldsmobile | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1941-48 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1949-52 | 88 & 98 | 6 | Negative | 3/8" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1953-56 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| 1957-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Packard | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1940-47 | W/Autolite | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1941-47 | W/Delco | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1948-50 | W/Autolite | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1948-50 | W/Delco | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1951-54 | W/Autolite | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-54 | W/Delco | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1955-56 | W/Autolite | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| 1955-58 | W/Delco | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82111-2 | |||
| Plymouth | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1942-48 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1949-50 | All | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1951-55 | Wo/PS | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956-57 | Wo/PS | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| 1955-57 | W/PS | 12 | Negative | Not Available | Not Available | Not Available | Not Available | 82101-2 | ||
| 1958-60 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||
| Pontiac | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1949-51 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1952-54 | All | 6 | Negative | 3/4" | 7127-6VN | GB-1 | 7127-12VN | GB-1 | 82117 | 82111-2 |
| 1955-58 | Wo/AC | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82111-2 | |||
| 1955-58 | W/AC | 12 | Negative | 1/2" | 7127-12VN | GB-1 | 82051-2 | |||
| 1959-62 | All | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82051-2 | |||
| Studebaker | Powermaster PowerGen | |||||||||
| Year | Model | OE Volts | OE Ground | Belt Width | 6V Alternator | Conv Bracket | 12V Alternator | Conv Bracket | 6 Volt | 12 Volt |
| 1938-40 | W/Delco | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1938-42 | W/Autolite | 6 | Positive | 3/4" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1946-52 | W/Delco | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1946-52 | W/Autolite | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1953 | L6 W/Delco | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1953 | L6 W/Autolite | 6 | Positive | 5/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1953 | L8 W/Delco | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1953 | L8 W/Autolite | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1954-55 | W/Delco | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82116 | 82111-2 |
| 1954-55 | W/Autolite | 6 | Positive | 3/8" | 7127-6VP | GB-1 | 7127-12VP | GB-1 | 82106 | 82101-2 |
| 1956-61 | W/Delco | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82111-2 | |||
| 1956-62 | W/Autolite | 12 | Negative | 3/8" | 7127-12VN | GB-1 | 82101-2 | |||