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Alternator Rectifier Bridge

1376 items

An alternator rectifier bridge uses diodes to convert alternating current into direct current for the vehicle's electrical system. Choose the bridge for the alternator design, comparing assembly layout, connections and mounting. It is a service component within the alternator rather than a complete alternator replacement.

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Alternator Rectifier Diode for 2007-2010 GMC YukonAlternator Rectifier Diode for 2007-2010 GMC Yukon
A-Premium®Part # APALR093
Alternator Rectifier Diode for 2007-2010 GMC Yukon
52 Reviews
$46.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits GMC Yukon: 2007 2008 2009 2010
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Quantity1
Item LocatedUnited States
Part interchange
10503581, 10510904, DR3580, RD-40HA, RD40HA
ConditionNew
item #1018SR3Z
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Alternator Rectifier Diode with Copper Heat Sinks for 2006-2009 Land Rover Range Rover Sport
A-Premium®Part # APALR158
Alternator Rectifier Diode with Copper Heat Sinks for 2006-2009 Land Rover Range Rover Sport
52 Reviews
$41.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Land Rover Range Rover Sport: 2006 2007 2008 2009
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Quantity1
Item LocatedUnited States
ConditionNew
item #1018SSW7
Note
This item comes With Copper Heat Sinks.
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Alternator Rectifier Diode for 1997-2003 BMW 540i
A-Premium®Part # APALR018
Alternator Rectifier Diode for 1997-2003 BMW 540i
52 Reviews
$46.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits BMW 540i: 1997 1998 1999 2000 2001 2002 2003
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Quantity1
Item LocatedUnited States
ConditionNew
item #1018SN9N
Note
This item does not come with Trio.
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Alternator Rectifier Diode for 1997-2002 Ford Expedition
A-Premium®Part # APALR092
Alternator Rectifier Diode for 1997-2002 Ford Expedition
52 Reviews
$33.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Ford Expedition: 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
F5AZ10304AA, 136210, RF-053, FR2023, FODU10A366DAIP, F5AZ-10304-AA
ConditionNew
item #1018SP79
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Alternator Rectifier Diode for 1992-1996 Ford E-150 Econoline Club Wagon
A-Premium®Part # APALR092
Alternator Rectifier Diode for 1992-1996 Ford E-150 Econoline Club Wagon
52 Reviews
$33.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Ford E-150 Econoline Club Wagon: 1992 1993 1994 1995 1996
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
F5AZ10304AA, 136210, RF-053, FR2023, FODU10A366DAIP, F5AZ-10304-AA
ConditionNew
item #1018SPSX
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Alternator Rectifier Diode with Trio & Capacitor for 2003 Mitsubishi Outlander
A-Premium®Part # APALR152
Alternator Rectifier Diode with Trio & Capacitor for 2003 Mitsubishi Outlander
52 Reviews
$27.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2003 Mitsubishi Outlander
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #1018SNTH
Note
This item comes With Trio & With Capacitor.
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Alternator Rectifier Diode with Trio & Capacitor for 2010-2012 Subaru Outback
A-Premium®Part # APALR152
Alternator Rectifier Diode with Trio & Capacitor for 2010-2012 Subaru Outback
52 Reviews
$27.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Subaru Outback: 2010 2011 2012
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #1018SN8C
Note
This item comes With Trio & With Capacitor.
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Alternator Rectifier for 1990-1994 Mitsubishi Eclipse
A-Premium®Part # APALR025
Alternator Rectifier for 1990-1994 Mitsubishi Eclipse
52 Reviews
$36.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Mitsubishi Eclipse: 1990 1991 1992 1993 1994
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
A860T35270, E9PZ10304B, 135252, RM-41, IMR10040
ConditionNew
item #1013GPEZ
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Alternator Rectifier for 1992-1995 Hyundai Elantra
A-Premium®Part # APALR025
Alternator Rectifier for 1992-1995 Hyundai Elantra
52 Reviews
$36.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Hyundai Elantra: 1992 1993 1994 1995
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
A860T35270, E9PZ10304B, 135252, RM-41, IMR10040
ConditionNew
item #1013GTP0
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Alternator Rectifier for 1990 Dodge 2000 GTX
A-Premium®Part # APALR025
Alternator Rectifier for 1990 Dodge 2000 GTX
52 Reviews
$36.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 1990 Dodge 2000 GTX
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
A860T35270, E9PZ10304B, 135252, RM-41, IMR10040
ConditionNew
item #1013GT6V
Show less
Alternator Rectifier for 1990-1994 Mitsubishi Mighty Max
A-Premium®Part # APALR025
Alternator Rectifier for 1990-1994 Mitsubishi Mighty Max
52 Reviews
$36.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Mitsubishi Mighty Max: 1990 1991 1992 1993 1994
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
A860T35270, E9PZ10304B, 135252, RM-41, IMR10040
ConditionNew
item #1013GR83
Show less
Alternator Rectifier for 1990-1994 Eagle Talon
A-Premium®Part # APALR025
Alternator Rectifier for 1990-1994 Eagle Talon
52 Reviews
$36.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Eagle Talon: 1990 1991 1992 1993 1994
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
A860T35270, E9PZ10304B, 135252, RM-41, IMR10040
ConditionNew
item #1013GTHH
Show less
Alternator Rectifier Diode for 2000-2006 Nissan Sentra
A-Premium®Part # APALR007
Alternator Rectifier Diode for 2000-2006 Nissan Sentra
52 Reviews
$41.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Nissan Sentra: 2000 2001 2002 2003 2004 2005 2006
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #101521DR
Note
14 Volt, 114mm OD, 8-35A Avalanche Diodes.
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Alternator Rectifier Diode for 2005 Saab 9-2X
A-Premium®Part # APALR015
Alternator Rectifier Diode for 2005 Saab 9-2X
52 Reviews
$57.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2005 Saab 9-2X
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #10152548
Note
【Note-1】 14 Volt, 8-35A Diodes, M5×44mm Battery Post.
【Note-2】 This item comes without Capacitor and Trio.
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Alternator Rectifier Diode for 2010-2011 Saab 9-3X
A-Premium®Part # APALR022
Alternator Rectifier Diode for 2010-2011 Saab 9-3X
52 Reviews
$52.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Saab 9-3X: 2010 2011
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #10152584
Note
12 Volt, 120mm OD, 6-50A Diodes, M8×32mm Battery Post(L), M8×22mm Battery Post(R).
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Alternator Rectifier Diodes for 2003 Mitsubishi Outlander
A-Premium®Part # APALR012
Alternator Rectifier Diodes for 2003 Mitsubishi Outlander
52 Reviews
$55.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2003 Mitsubishi Outlander
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #101521PT
Note
8-35A Diodes, M8×59.5mm Battery Post.
Show less
Alternator Rectifier Diodes for 2002-2005 Mitsubishi Eclipse
A-Premium®Part # APALR012
Alternator Rectifier Diodes for 2002-2005 Mitsubishi Eclipse
52 Reviews
$55.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Mitsubishi Eclipse: 2002 2003 2004 2005
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #101523W7
Note
8-35A Diodes, M8×59.5mm Battery Post.
Show less
Alternator Rectifier Diode for 1999 Volkswagen Golf
A-Premium®Part # APALR024
Alternator Rectifier Diode for 1999 Volkswagen Golf
52 Reviews
$51.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 1999 Volkswagen Golf
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #101525P5
Note
14 Volt, 120mm OD, 6-50A Avalanche Diodes, M8×22mm Battery Post(L), M8×32mm Battery Post(R).
Show less
Alternator Rectifier Diode for 2000-2006 Audi TT Quattro
A-Premium®Part # APALR024
Alternator Rectifier Diode for 2000-2006 Audi TT Quattro
52 Reviews
$51.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Audi TT Quattro: 2000 2001 2002 2003 2004 2005 2006
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #101525D4
Note
14 Volt, 120mm OD, 6-50A Avalanche Diodes, M8×22mm Battery Post(L), M8×32mm Battery Post(R).
Show less
Alternator Rectifier Diode for 2001-2003 Mercedes-Benz E320
A-Premium®Part # APALR024
Alternator Rectifier Diode for 2001-2003 Mercedes-Benz E320
52 Reviews
$51.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Mercedes-Benz E320: 2001 2002 2003
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
ConditionNew
item #101526A2
Note
14 Volt, 120mm OD, 6-50A Avalanche Diodes, M8×22mm Battery Post(L), M8×32mm Battery Post(R).
Show less
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Alternator Rectifier Bridges

An alternator rectifier bridge uses diodes to convert the alternator's alternating current into direct current for the vehicle's electrical system. It is one part of the alternator, rather than a complete replacement alternator.

A-Premium offers rectifier assemblies for selected alternators. Their size, connections and internal diode configuration can differ, so select a bridge for the specific alternator being repaired.

Choosing An Alternator Diode Bridge

Identify the alternator and compare the replacement's mounting shape, outside diameter and electrical connections. The vehicle application helps narrow the choices, but the rectifier must also match the alternator installed in the vehicle.

A charging warning or a weak battery does not identify a failed rectifier by itself. The battery, drive belt, wiring and voltage regulator are also part of the charging-system diagnosis.

Frequently Asked Questions (FAQ)

What is the difference between a rectifier and a voltage regulator?

The rectifier converts alternating current to direct current; the regulator controls alternator voltage for the operating conditions. They perform different jobs even when both are mounted on the alternator.

Can a faulty alternator diode drain the battery when parked?

A faulty diode can contribute to battery discharge while the vehicle is off. Other electrical loads and battery problems can also cause a drain, so the charging system needs a proper diagnosis.

Why does the battery-post size matter?

The post connects the charging output to the vehicle's electrical cable. Its diameter and length must suit the connection and available space; an M6 post and an M8 post are different mounting specifications.

What do the heat sinks on a rectifier do?

A heat sink helps transfer heat away from the electronic components. Some A-Premium bridge listings identify aluminum heat sinks, but the design and supplied parts vary by product.

Can I disconnect the battery while the engine runs to test charging?

Keep the battery connected while the alternator is operating. HELLA warns that disconnecting the battery or connections with the engine running can create voltage spikes and damage components; use the specified diagnostic procedure instead.

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