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
4.0L All High Output Alternators
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Chrysler
Dodge
Jeep
Lexus
Mazda
Mercury
Nissan
Oldsmobile
Toyota
Vehicle Model
Search
4runner
Aurora
B4000
Cherokee
Comanche
Explorer
Fj Cruiser
Frontier
Grand Cherokee
Gs400
Ls400
Mountaineer
Mustang
Nitro
Pacifica
Pathfinder
Ranger
Sc400
Tacoma
Tj
Town Country
Tundra
Wagoneer
Wrangler
Xterra
Vehicle Year
Search
2011-2014
1999-2004
2005-2019
2006-2008
2007-2011
1990-1992
2001-2003
2003-2009
2005-2008
1991-1994
1997-2002
1992-1997
2005-2010
2008-2010
2007-2008
1997-2004
2007-2010
2009-2010
2005-2012
2007-2014
1994-2003
2010-2011
1991-2001
1998-2005
1998-2003
1998-2000
1995-2000
1999-2001
1997-1998
2005-2015
2000-2006
2000-2002
2001-2007
2010-2015
2008-2009
2013-2021
1999
2010
1999-2000
1991-1998
1987-1990
1991-1992
2012-2021
2004
1993-1994
1995-1999
2005
2011 2023
2007
1992 1994
1996 2009
Vehicle Liter Engine
Search
4.0L
clear
Collection
All High Output Alternators
clear
Amperage
250 amp alternator
(63)
320 amp alternator
(63)
370 amp alternator
(22)
400 amp alternator
(22)
Price
Filter
icon-X
Close menu
Select Vehicle
Select Vehicle
view all
Vehicle Make
Search
Chrysler
Dodge
Jeep
Lexus
Mazda
Mercury
Nissan
Oldsmobile
Toyota
Vehicle Model
Search
4runner
Aurora
B4000
Cherokee
Comanche
Explorer
Fj Cruiser
Frontier
Grand Cherokee
Gs400
Ls400
Mountaineer
Mustang
Nitro
Pacifica
Pathfinder
Ranger
Sc400
Tacoma
Tj
Town Country
Tundra
Wagoneer
Wrangler
Xterra
Vehicle Year
Search
2011-2014
1999-2004
2005-2019
2006-2008
2007-2011
1990-1992
2001-2003
2003-2009
2005-2008
1991-1994
1997-2002
1992-1997
2005-2010
2008-2010
2007-2008
1997-2004
2007-2010
2009-2010
2005-2012
2007-2014
1994-2003
2010-2011
1991-2001
1998-2005
1998-2003
1998-2000
1995-2000
1999-2001
1997-1998
2005-2015
2000-2006
2000-2002
2001-2007
2010-2015
2008-2009
2013-2021
1999
2010
1999-2000
1991-1998
1987-1990
1991-1992
2012-2021
2004
1993-1994
1995-1999
2005
2011 2023
2007
1992 1994
1996 2009
Vehicle Liter Engine
Search
4.0L
clear
Collection
All High Output Alternators
clear
Amperage
250 amp alternator
(63)
320 amp alternator
(63)
370 amp alternator
(22)
400 amp alternator
(22)
Price
icon-filter
Select Vehicle
63 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
1987-1990 Jeep Comanche 4.0L 250-320amp 12SI High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1987-1990 Jeep Wagoneer 4.0L 250-320amp 12SI High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1990-1992 Lexus LS400 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1991-1992 Jeep Comanche 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1991-1994 Mazda Navajo 4.0L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1991-1995 Ford Explorer 4.0L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1991-1998 Jeep Cherokee 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1991-1998 Jeep Wrangler 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1992-1994 Lexus SC400 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1992-1997 Ford Aerostar 4.0L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1993-1994 Lexus LS400 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1994-2003 Mazda B4000 4.0L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1995-1999 Oldsmobile Aurora 4.0L cs144 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1995-2000 Lexus SC400 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1996-2004 Ford Explorer 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1996-2009 Ford Ranger 4.0L 250-320-370-400amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1997-1998 Jeep Grand Cherokee 4.0L High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1997-1998 Jeep TJ 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1997-2002 Jaguar XK8 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998-2000 Lexus GS400 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998-2000 Lexus LS400 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998-2003 Jaguar Vanden Plas 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998-2003 Jaguar XJ8 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998-2003 Jaguar XJR 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1998-2005 Mercury Mountaineer 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999 Jeep TJ 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2000 Jeep Wrangler 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
Sale
1999-2001 Jeep Cherokee 4.0L 250-320amp High Output Alternator
Regular price
$459.00
Sale price
from $359.00
Save $100.00
1
2
3
icon-chevron
Next
Customers rate us 4.9/5 based on 122 reviews.
icon-X
"Close (esc)"
icon-X
icon-chevron
icon-X
All High Output Alternators