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 and LaSalle 

 

 

 

 

 

 

 

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

82000

82000

1940-42

All

6

Positive

3/4"

7127-6VP

GB-1

7127-12VP

GB-1

82000

82000

1946-48

All

6

Negative

3/4"

7127-6VN

GB-1

7127-12VN

GB-1

82000

82000

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"

PowerGen

Not Required

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