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Suzuki Alternator Rectifier Bridge

9 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 1999-2001 Suzuki VitaraAlternator Rectifier Diode for 1999-2001 Suzuki Vitara
A-Premium®Part # APALR042
Alternator Rectifier Diode for 1999-2001 Suzuki Vitara
52 Reviews
$31.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Vitara: 1999 2000 2001
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Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #10183ZR0
Note
14 Volt, 6-35A Block/ Ampere Diodes, M5×44mm Battery Post
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Alternator Rectifier Diode with Aluminum Heat Sinks 8-50A for 1996-2001 Suzuki Esteem
A-Premium®Part # APALR008
Alternator Rectifier Diode with Aluminum Heat Sinks 8-50A for 1996-2001 Suzuki Esteem
52 Reviews
$58.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Esteem: 1996 1997 1998 1999 2000 2001
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Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #101521VG
Note
【Note-1】 14 Volt, 117mm OD, 8-50 A Diodes, M6 Battery Post (31°).
【Note-2】 This item comes with Aluminum Heat Sinks.
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Alternator Rectifier Diode with Trio for 2005-2008 Suzuki Reno
A-Premium®Part # APALR016
Alternator Rectifier Diode with Trio for 2005-2008 Suzuki Reno
52 Reviews
$46.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Reno: 2005 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #101521L2
Note
【Note-1】 12 Volt, 114mm OD, 6-35A Avalanche Diodes, M8×47.5mm Battery Post.
【Note-2】 This item comes with Trio.
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Alternator Rectifier Diode for 2006-2008 Suzuki Grand Vitara
A-Premium®Part # APALR050
Alternator Rectifier Diode for 2006-2008 Suzuki Grand Vitara
52 Reviews
$39.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Grand Vitara: 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #10184SQZ
Note
【Note-1】 12 Volt, 122mm OD, 12-50A Avalanche Diodes, M6×28.5mm Battery Post.
【Note-2】 This item comes without Trio & Capacitor.
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Alternator Rectifier Diode With Trio for 1996-1998 Suzuki X-90
A-Premium®Part # APALR121
Alternator Rectifier Diode With Trio for 1996-1998 Suzuki X-90
52 Reviews
$30.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki X-90: 1996 1997 1998
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LECK
Note
This item is a 14 Volt, 8–35A block/ampere diode with an M6×49.5 mm battery post.
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Alternator Rectifier Diode for 2004-2008 Suzuki Swift+
A-Premium®Part # APALR142
Alternator Rectifier Diode for 2004-2008 Suzuki Swift+
52 Reviews
$27.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Swift+: 2004 2005 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LAAE
Note
【Note-1】 This item is a 14 Volt, 6–50A avalanche diode with 114.1 mm OD and an M8×47.5 mm battery post, without trio.
【Note-2】 This item fits the model with 3 pin voltage regulator.
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Alternator Rectifier Diode with Trio for 2004-2008 Suzuki Forenza
A-Premium®Part # APALR016
Alternator Rectifier Diode with Trio for 2004-2008 Suzuki Forenza
52 Reviews
$46.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Forenza: 2004 2005 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #101523G9
Note
【Note-1】 12 Volt, 114mm OD, 6-35A Avalanche Diodes, M8×47.5mm Battery Post.
【Note-2】 This item comes with Trio.
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Alternator Rectifier Diode With Trio for 1989-1994 Suzuki Sidekick
A-Premium®Part # APALR121
Alternator Rectifier Diode With Trio for 1989-1994 Suzuki Sidekick
52 Reviews
$30.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Sidekick: 1989 1990 1991 1992 1993 1994
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LKYC
Note
This item is a 14 Volt, 8–35A block/ampere diode with an M6×49.5 mm battery post.
Show less
Alternator Rectifier Diode With Trio for 1989-2001 Suzuki Swift
A-Premium®Part # APALR121
Alternator Rectifier Diode With Trio for 1989-2001 Suzuki Swift
52 Reviews
$30.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Suzuki Swift: 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Suzuki
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LH1E
Note
This item is a 14 Volt, 8–35A block/ampere diode with an M6×49.5 mm battery post.
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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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