How to Replace the Alternator on Subaru Outback?

The tumble Alternator system, used in all turbocharged models, reduces emissions during start-ups through butterfly valves in the lower intake manifolds. When the engine is cold, the PCM activates the actuator, nearly closing the valves and creating a tumbling motion for a complete burn. Installation is the reverse of removal.

How Do I Remove and Install an Alternator on Subaru Outback?

To replace the alternator, disconnect the cable, remove the drivebelt cover and the alternator drivebelt, and disconnect the battery cable and the electrical connector from the alternator by lifting the cover and removing the nut to disconnect the battery cable from the B+ terminal, then depressing the release tab and disconnecting the electrical connector from the alternator, remove the adjustment and pivot bolts and detach the alternator. Installation is the reverse order of the removal.

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23 Alternators found

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Subaru Outback Alternator Assembly
Part Number: 23700AA91B
$384.57 MSRP: $562.23
You Save: $177.66 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaces: 23700AA91A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2017 Subaru Outback | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4
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Subaru Outback Alternator Compatible
Part Number: 23700AA510
$557.46 MSRP: $815.00
You Save: $257.54 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assembly; Alternator
- Replaced by: 23700AA5108A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2009 Subaru Outback | 3.0R, 3.0R Limited, 3.0R LL-Bean | 3.0L H6
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Subaru Outback Alternator Assembly
Part Number: 23700AA37A
$223.35 MSRP: $325.00
You Save: $101.65 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA37AR1
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2000-2004 Subaru Outback | Baja, Baja-S, Base, Brighton, Cold Weather, GT, L, Limited, L-S, SUS Limited | 2.5L H4
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Subaru Outback Alternator Compatible
Part Number: 23700AA401
$559.91 MSRP: $818.58
You Save: $258.67 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assembly; Alternator
- Replaced by: 23700AA4018A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2001-2005 Subaru Outback | 3.0R, 3.0R Limited, 3.0R LL-Bean, Flat6, Flat6 L.L.Bean, Flat6-S, SUS Flat6 | 3.0L H6
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Subaru Outback Alternator Assembly
Part Number: 23700AA931
$502.19 MSRP: $734.20
You Save: $232.01 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaces: 23700AA930
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2017 Subaru Outback | 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring | 3.6L H6
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Subaru Outback Alternator Assembly
Part Number: 23700AB020
$472.30 MSRP: $690.50
You Save: $218.20 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2018-2019 Subaru Outback | 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring | 3.6L H6
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Subaru Outback Alternator Motor
Part Number: 23700AA78A
$288.51 MSRP: $421.80
You Save: $133.29 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator Assembly
- Replaced by: 23700AA78A8A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2013-2014 Subaru Outback | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4 DOHC
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Subaru Outback Alternator Assembly
Part Number: 23700AA620
$481.56 MSRP: $704.03
You Save: $222.47 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA831
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2010-2011 Subaru Outback | 3.6R, 3.6R Limited, 3.6R Premium | 3.6L H6
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Subaru Outback Alternator Assembly
Part Number: 23700AA621
$481.56 MSRP: $704.03
You Save: $222.47 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA831
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011-2012 Subaru Outback | 3.6R, 3.6R Limited, 3.6R Premium | 3.6L H6
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Subaru Outback Alternator Assembly
Part Number: 23700AB13A
$376.51 MSRP: $471.81
You Save: $95.30 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: ALTNTR Assembly
- Replaced by: 23700AB051
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2020-2021 Subaru Outback | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4 DI
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Subaru Outback Alternator Assembly
Part Number: 23700AA520
$481.24 MSRP: $703.57
You Save: $222.33 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA5228A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2005 Subaru Outback | GT, GT Limited | 2.5L H4 Turbo
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Subaru Outback Alternator Assembly
Part Number: 23700AA930
$502.19 MSRP: $734.20
You Save: $232.01 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA931
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015 Subaru Outback | 3.6R, 3.6R Limited, 3.6R Premium | 3.6L H6
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Subaru Outback Alternator Assembly
Part Number: 23700AB16A
$416.96 MSRP: $609.58
You Save: $192.62 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: ALTNTR Assembly
- Replaces: 23700AB04A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2020-2021 Subaru Outback | 2.4R F/R-O, 2.4R Limited, 2.4R Touring | 2.4L H4 DIT
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Subaru Outback Alternator Assembly
Part Number: 23700AB01A
$416.96 MSRP: $609.58
You Save: $192.62 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2018-2019 Subaru Outback | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring | 2.5L H4
View related parts
Subaru Outback Alternator Assembly
Part Number: 23700AA91A
$384.57 MSRP: $562.23
You Save: $177.66 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA91B
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015 Subaru Outback | 2.5i, 2.5i Limited, 2.5i Premium | 2.5L H4
View related parts
Subaru Outback Alternator Assembly
Part Number: 23700AA370
$566.23 MSRP: $827.82
You Save: $261.59 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaced by: 23700AA3708A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004 Subaru Outback | Baja-B | 2.5L H4 Turbo
View related parts
Subaru Outback Alternator Assembly
Part Number: 23700AA830
$481.56 MSRP: $704.03
You Save: $222.47 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaced by: 23700AA831
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2013-2014 Subaru Outback | 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring | 3.6L H6
View related parts
Subaru Outback Alternator Assembly
Part Number: 23700AA63A
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA63B8A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2010-2011 Subaru Outback | 2.5GT Limited, 2.5GT Premium, 2.5i, 2.5i Limited, 2.5i Premium | 2.5L H4 SOHC, 2.5L H4 Turbo
View related parts
Subaru Outback Alternator Compatible
Part Number: 23700AA211
Product Specifications
- Other Name: Pt640796 Alternator Assy
- Replaced by: 23700AA34ARA
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1996-1997 Subaru Outback | Brighton, GT, L, LS, LS-I, Out Back, Post, SUS | 2.2L H4 , 2.2L H4 (New EVAPO), 2.5L H4
View related parts
Subaru Outback Alternator Assembly
Part Number: 23700AA63B
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA63B8A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011-2012 Subaru Outback | 2.5GT Limited, 2.5GT Premium, 2.5i, 2.5i Limited, 2.5i Premium | 2.5L H4 SOHC, 2.5L H4 Turbo

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Subaru Outback Alternator

Alternator is one of the major components of Subaru Outback, which acts like a charger for the vehicle's battery as well as supplies electrical power to the vehicle when it is in action. Usually, an alternator is placed at the front of the engine; its main function is to transform mechanical energy into electrical energy to be used by parts such as the battery. A rotating magnetic field with the stationary armature of the alternator also produces the AC power thereby satisfying all the electrical requirement of the automobiles. By regulating the amount of voltage that comes out it can help avoid under charging or overcharging of the electrical system in a vehicle and thus is very important. Specifically, if you want a high output alternator for customized vehicles that have high electrical loads, there is an availability of OEM to guarantee that the charging system will not be damaged.

Our website stands as the go-to online destination for OEM Subaru Outback Alternator. With complete lines of genuine Subaru Outback Alternator available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

Subaru Outback Alternator Parts Questions & Experts Answers

Alternator Compatible
23700AA211
Q: How to Replace the Alternator on Subaru Outback?
A: The tumble Alternator system, used in all turbocharged models, reduces emissions during start-ups through butterfly valves in the lower intake manifolds. When the engine is cold, the PCM activates the actuator, nearly closing the valves and creating a tumbling motion for a complete burn. Installation is the reverse of removal.
Alternator Assembly
23700AA37A
Q: How Do I Remove and Install an Alternator on Subaru Outback?
A: To replace the alternator, disconnect the cable, remove the drivebelt cover and the alternator drivebelt, and disconnect the Battery Cable and the electrical connector from the alternator by lifting the cover and removing the nut to disconnect the battery cable from the B+ terminal, then depressing the release tab and disconnecting the electrical connector from the alternator, remove the adjustment and pivot bolts and detach the alternator. Installation is the reverse order of the removal.