Skip to content
icon-X
Close menu
Home
About
Alternators
Billet Alternators
Batteries
Accessories
Merch
FAQ
Contact
Dealers
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
Sitemap
Log in
instagram
Instagram
Facebook
YouTube
Receive a Quote
Instructions
Return Requests
Warranty & Other Policies
Privacy Policy
Blog
Sitemap
instagram
Instagram
Facebook
YouTube
icon-search
Search
icon-hamburger
Site navigation
account
Log in
icon-search
Search
Cart
Home
About
Alternators
Billet Alternators
Batteries
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
Customers rate us 4.8/5 based on 216 reviews.
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Buick
Chevrolet
GMC
Hummer
Jeep
Oldsmobile
Pontiac
Vehicle Model
Search
98
442
Bonneville
C15
C25
C25 Suburban
C35
C1500
C2500 Suburban
C3500
Camaro
Caprice
Catalina
Century
Cherokee
Chevelle
Chevrolet
Custom Cruiser
Cutlass
Delta 88
Electra
Estate Wagon
Executive
F85
Firebird
G25
G35
G1500
G2500
G3500
Gran Sport
Grand Am
Grand Prix
Grand Safari
Grandville
Gto
H1
Impala
Invicta
J10
J20
Jimmy
K15
K15 Suburban
K20
K25
K25 Suburban
K35
K1500
K1500 Suburban
K2500
K2500 Suburban
K3500
Laurentian
Lemans
Lesabre
Malibu
Monte Carlo
Parisienne
Riviera
Savana 2500
Savana 3500
Sierra 2500 Hd
Sierra 2500 Hd Classic
Sierra 3500
Sierra 3500 Hd
Skylark
Sportwagon
Sprint
Tempest
Toronado
Wagoneer
Wildcat
Vehicle Liter Engine
Search
6.6L
clear
Vehicle Year
Search
1962-1963
1962-1964
1962-1966
1963-1965
1963-1966
1965 1966
1965 1969
1965-1967
1965-1968
1967 1970
1967-1971
1968
1968 1970
1968-1971
1970
1970-1971
1970 1975
1970-1976
1970 1978
1970 1979
1970 1980
1971
1971 1976
1972 1975
1973-1975
1973 1978
1971 1977
1975-1978
1975-1979
1975-1980
1976
1976-1978
1976 1980
1977
1977-1978
1977-1979
1977 1980
1978
1979
1979-1980
2001-2006
2001-2007
2003-2009
2006
2006 2016
2007
2007 2020
2009-2016
2016 2022
Amperage
250 amp alternator
(151)
320 amp alternator
(151)
370 amp alternator
(32)
400 amp alternator
(32)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Buick
Chevrolet
GMC
Hummer
Jeep
Oldsmobile
Pontiac
Vehicle Model
Search
98
442
Bonneville
C15
C25
C25 Suburban
C35
C1500
C2500 Suburban
C3500
Camaro
Caprice
Catalina
Century
Cherokee
Chevelle
Chevrolet
Custom Cruiser
Cutlass
Delta 88
Electra
Estate Wagon
Executive
F85
Firebird
G25
G35
G1500
G2500
G3500
Gran Sport
Grand Am
Grand Prix
Grand Safari
Grandville
Gto
H1
Impala
Invicta
J10
J20
Jimmy
K15
K15 Suburban
K20
K25
K25 Suburban
K35
K1500
K1500 Suburban
K2500
K2500 Suburban
K3500
Laurentian
Lemans
Lesabre
Malibu
Monte Carlo
Parisienne
Riviera
Savana 2500
Savana 3500
Sierra 2500 Hd
Sierra 2500 Hd Classic
Sierra 3500
Sierra 3500 Hd
Skylark
Sportwagon
Sprint
Tempest
Toronado
Wagoneer
Wildcat
Vehicle Liter Engine
Search
6.6L
clear
Vehicle Year
Search
1962-1963
1962-1964
1962-1966
1963-1965
1963-1966
1965 1966
1965 1969
1965-1967
1965-1968
1967 1970
1967-1971
1968
1968 1970
1968-1971
1970
1970-1971
1970 1975
1970-1976
1970 1978
1970 1979
1970 1980
1971
1971 1976
1972 1975
1973-1975
1973 1978
1971 1977
1975-1978
1975-1979
1975-1980
1976
1976-1978
1976 1980
1977
1977-1978
1977-1979
1977 1980
1978
1979
1979-1980
2001-2006
2001-2007
2003-2009
2006
2006 2016
2007
2007 2020
2009-2016
2016 2022
Amperage
250 amp alternator
(151)
320 amp alternator
(151)
370 amp alternator
(32)
400 amp alternator
(32)
Price
icon-filter
Select Vehicle
151 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 V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1962-1964 Buick LeSabre V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1962-1966 Buick Electra V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1963-1965 Buick Riviera V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1963-1966 Buick Wildcat V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1966 Oldsmobile F85 V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1967 Buick Gran Sport V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1968 Buick Skylark V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1968 Oldsmobile Cutlass V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1965-1969 Oldsmobile 442 V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1968 Pontiac Firebird V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1970 Pontiac Bonneville V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1970 Pontiac Catalina V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1970 Pontiac Executive V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1967-1971 Pontiac GTO V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968 Buick Sportwagon V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1970 Pontiac Grand Prix V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1970 Pontiac Tempest V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1968-1971 Pontiac LeMans V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1969-1979 Pontiac Firebird V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970 Chevrolet Brookwood V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet Biscayne V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C10 Pickup V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C10 Suburban V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C20 Pickup V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C20 Suburban V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet C30 Pickup V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1970-1971 Chevrolet Camaro V8 6.6L 12si High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
1
2
3
…
6
icon-chevron
Next
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
6.6L