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Jeep Alternator Rectifier Bridge

26 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 1999-2004 Jeep Grand CherokeeAlternator Rectifier Diode for 1999-2004 Jeep Grand Cherokee
A-Premium®Part # APALR138
Alternator Rectifier Diode for 1999-2004 Jeep Grand Cherokee
52 Reviews
$36.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Grand Cherokee: 1999 2000 2001 2002 2003 2004
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #10184U2X
Note
14 Volt, 120mm OD, 6-50A Avalanche Diodes, With M8×22mm Battery Post(L), With M8×32mm Battery Post(R).
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Alternator Rectifier Diode with Aluminum Heat Sinks for 2006 Jeep Commander
A-Premium®Part # APALR126
Alternator Rectifier Diode with Aluminum Heat Sinks for 2006 Jeep Commander
52 Reviews
$37.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2006 Jeep Commander
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LCYY
Note
This item is a 12 Volt, 12–50A press-fit/avalanche diode with 117 mm OD and an M8×40 mm battery post.
Show less
Alternator Rectifier Diode for 1984-1990 Jeep Grand Wagoneer
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1984-1990 Jeep Grand Wagoneer
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Grand Wagoneer: 1984 1985 1986 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VN4T
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1986-1990 Jeep Grand Wagoneer
A-Premium®Part # APALR176
Alternator Rectifier Diode for 1986-1990 Jeep Grand Wagoneer
52 Reviews
$19.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Grand Wagoneer: 1986 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LC7D
Note
【Note-1】 This item is a 12 Volt, 6–50A button diode with 80 mm OD.
【Note-2】 For 1983-1988 Oldsmobile Delta 88, this item fits for the Sedan model only, does not fit for the Coupe model.
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Alternator Rectifier Diode with Aluminum Heat Sinks for 2002-2006 Jeep Liberty
A-Premium®Part # APALR126
Alternator Rectifier Diode with Aluminum Heat Sinks for 2002-2006 Jeep Liberty
52 Reviews
$37.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Liberty: 2002 2003 2004 2005 2006
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LD45
Note
This item is a 12 Volt, 12–50A press-fit/avalanche diode with 117 mm OD and an M8×40 mm battery post.
Show less
Alternator Rectifier Diode with Aluminum Heat Sinks for 2005-2006 Jeep Grand Cherokee
A-Premium®Part # APALR126
Alternator Rectifier Diode with Aluminum Heat Sinks for 2005-2006 Jeep Grand Cherokee
52 Reviews
$37.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Grand Cherokee: 2005 2006
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LAQK
Note
This item is a 12 Volt, 12–50A press-fit/avalanche diode with 117 mm OD and an M8×40 mm battery post.
Show less
Alternator Rectifier Diode for 1978-1990 Jeep Wagoneer
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1978-1990 Jeep Wagoneer
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Wagoneer: 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VQQU
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1983-1990 Jeep Wagoneer
A-Premium®Part # APALR176
Alternator Rectifier Diode for 1983-1990 Jeep Wagoneer
52 Reviews
$19.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Wagoneer: 1983 1984 1985 1986 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LCZ4
Note
【Note-1】 This item is a 12 Volt, 6–50A button diode with 80 mm OD.
【Note-2】 For 1983-1988 Oldsmobile Delta 88, this item fits for the Sedan model only, does not fit for the Coupe model.
Show less
Alternator Rectifier Diode for 1976 1978-1988 Jeep J20
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1976 1978-1988 Jeep J20
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep J20: 1976 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VP6X
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1975-1988 Jeep J10
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1975-1988 Jeep J10
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep J10: 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VKYD
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1981-1985 Jeep Scrambler
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1981-1985 Jeep Scrambler
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Scrambler: 1981 1982 1983 1984 1985
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VRXD
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1983-1988 Jeep J20
A-Premium®Part # APALR176
Alternator Rectifier Diode for 1983-1988 Jeep J20
52 Reviews
$19.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep J20: 1983 1984 1985 1986 1987 1988
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015L7RR
Note
【Note-1】 This item is a 12 Volt, 6–50A button diode with 80 mm OD.
【Note-2】 For 1983-1988 Oldsmobile Delta 88, this item fits for the Sedan model only, does not fit for the Coupe model.
Show less
Alternator Rectifier Diode for 1987-1990 Jeep Wrangler
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1987-1990 Jeep Wrangler
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Wrangler: 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VQC1
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1975 Jeep CJ6
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1975 Jeep CJ6
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 1975 Jeep CJ6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VL5K
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1975-1983 Jeep CJ5
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1975-1983 Jeep CJ5
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep CJ5: 1975 1976 1977 1978 1979 1980 1981 1982 1983
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VNZC
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1983 1986-1988 Jeep J10
A-Premium®Part # APALR176
Alternator Rectifier Diode for 1983 1986-1988 Jeep J10
52 Reviews
$19.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep J10: 1983 1986 1987 1988
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015L6XH
Note
【Note-1】 This item is a 12 Volt, 6–50A button diode with 80 mm OD.
【Note-2】 For 1983-1988 Oldsmobile Delta 88, this item fits for the Sedan model only, does not fit for the Coupe model.
Show less
Alternator Rectifier Diode for 1975-1983 Jeep DJ5
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1975-1983 Jeep DJ5
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep DJ5: 1975 1976 1977 1978 1979 1980 1981 1982 1983
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VLHS
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1986-1990 Jeep Comanche
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1986-1990 Jeep Comanche
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Comanche: 1986 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VN40
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1976-1986 Jeep CJ7
A-Premium®Part # APALR069
Alternator Rectifier Diode for 1976-1986 Jeep CJ7
52 Reviews
$19.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep CJ7: 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1016VRVY
Note
14 Volt, 86.4mm OD, 6-25 Ampere Button Diodes.
Show less
Alternator Rectifier Diode for 1987-1990 Jeep Wrangler
A-Premium®Part # APALR176
Alternator Rectifier Diode for 1987-1990 Jeep Wrangler
52 Reviews
$19.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits Jeep Wrangler: 1987 1988 1989 1990
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Jeep
Quantity1
Item LocatedUnited States
ConditionNew
item #1015LCS6
Note
【Note-1】 This item is a 12 Volt, 6–50A button diode with 80 mm OD.
【Note-2】 For 1983-1988 Oldsmobile Delta 88, this item fits for the Sedan model only, does not fit for the Coupe model.
Show less
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Page 1 of 2

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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