Skip to content
icon-X
Close menu
Home
About
Alternators
Accessories
Merch
FAQ
Contact
Dealers
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
Log in
instagram
Instagram
Facebook
YouTube
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
instagram
Instagram
Facebook
YouTube
icon-search
Search
icon-hamburger
Site navigation
account
Log in
icon-search
Search
Cart
Home
About
Alternators
Accessories
Merch
FAQ
Contact
Dealers
Search
Search
Pause slideshow
Play slideshow
FREE SHIPPING
On all orders shipped within the United States
Hassle-free returns
90-day return policy
Lifetime Warranty
On JS Alternators employee labor and a one year warranty on parts
6.6L All High Output Alternators
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Buick
GMC
Hummer
Jeep
Oldsmobile
Pontiac
Vehicle Model
Search
98
442
Bonneville
Camaro
Caprice
Century
Cherokee
Chevelle
Cutlass
Electra
Estate Wagon
Firebird
G25
G35
Gran Sport
Grand Am
Grand Prix
Gto
H1
Impala
Invicta
J10
J20
K20
Lesabre
Malibu
Monte Carlo
Riviera
Skylark
Sportwagon
Wagoneer
Wildcat
Vehicle Year
Search
2003-2009
2009-2016
2001-2006
2001-2007
2006
1967-1971
1968-1971
1968
1971
1975-1978
1976-1978
1976
1978
1962-1963
1962-1964
1962-1966
1963-1965
1963-1966
1965-1967
1965-1968
1970-1971
1970-1976
1970
1973-1975
1975-1979
1975-1980
1977-1978
1977-1979
1977
1979-1980
2007 2020
1970 1978
1973 1978
1970 1980
1970 1979
1979
2006 2016
2016 2022
2007
1971 1977
1971 1976
1965 1969
1965 1966
1970 1975
1977 1980
1967 1970
1972 1975
1976 1980
1968 1970
Vehicle Liter Engine
Search
6.6L
clear
Collection
All High Output Alternators
clear
Amperage
250 amp alternator
(147)
320 amp alternator
(147)
370 amp alternator
(28)
400 amp alternator
(28)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Buick
GMC
Hummer
Jeep
Oldsmobile
Pontiac
Vehicle Model
Search
98
442
Bonneville
Camaro
Caprice
Century
Cherokee
Chevelle
Cutlass
Electra
Estate Wagon
Firebird
G25
G35
Gran Sport
Grand Am
Grand Prix
Gto
H1
Impala
Invicta
J10
J20
K20
Lesabre
Malibu
Monte Carlo
Riviera
Skylark
Sportwagon
Wagoneer
Wildcat
Vehicle Year
Search
2003-2009
2009-2016
2001-2006
2001-2007
2006
1967-1971
1968-1971
1968
1971
1975-1978
1976-1978
1976
1978
1962-1963
1962-1964
1962-1966
1963-1965
1963-1966
1965-1967
1965-1968
1970-1971
1970-1976
1970
1973-1975
1975-1979
1975-1980
1977-1978
1977-1979
1977
1979-1980
2007 2020
1970 1978
1973 1978
1970 1980
1970 1979
1979
2006 2016
2016 2022
2007
1971 1977
1971 1976
1965 1969
1965 1966
1970 1975
1977 1980
1967 1970
1972 1975
1976 1980
1968 1970
Vehicle Liter Engine
Search
6.6L
clear
Collection
All High Output Alternators
clear
Amperage
250 amp alternator
(147)
320 amp alternator
(147)
370 amp alternator
(28)
400 amp alternator
(28)
Price
icon-filter
Select Vehicle
147 products
Sort
Sort
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Sale
1962-1963 Buick Invicta 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1962-1964 Buick LeSabre 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1962-1966 Buick Electra 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1963-1965 Buick Riviera 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1963-1966 Buick Wildcat 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1966 Oldsmobile F85 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1967 Buick Gran Sport 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1968 Buick Skylark 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1968 Oldsmobile Cutlass 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1969 Oldsmobile 442 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1968 Pontiac Firebird 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1970 Pontiac Bonneville 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1970 Pontiac Catalina 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1970 Pontiac Executive 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1971 Pontiac GTO 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968 Buick Sportwagon 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1970 Pontiac Grand Prix 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1970 Pontiac Tempest 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1971 Pontiac LeMans 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1969-1979 Pontiac Firebird 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970 Chevrolet Brookwood 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet Biscayne 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C10 Pickup 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C10 Suburban 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C20 Pickup 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C20 Suburban 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C30 Pickup 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet Camaro 6.6L 12si 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
1
2
3
…
6
icon-chevron
Next
Customers rate us 4.9/5 based on 123 reviews.
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
All High Output Alternators