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

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.

Genuine Subaru Impreza Alternator

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17 Alternators found

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Subaru Impreza Alternator Assembly
Part Number: 23700AA521
$481.24 MSRP: $703.57
You Save: $222.33 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA5228A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2008-2010 Subaru Impreza | 2.5 GT, STI, WRX, WRX Sport, WRXSS | 2.5L H4 Turbo
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Subaru Impreza Alternator Assembly
Part Number: 23700AA540
$514.03 MSRP: $751.50
You Save: $237.47 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA5418A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2010 Subaru Impreza | 2.5i, 25i, Outback, Outback Sport, STI | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Alternator Assembly
Part Number: 23700AA911
$509.88 MSRP: $745.43
You Save: $235.55 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaces: 23700AA910
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015-2016 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Alternator Assembly
Part Number: 23700AA690
$514.03 MSRP: $751.50
You Save: $237.47 (32%)
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA6918A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011 Subaru Impreza | 2.5i, Outback Sport | 2.5L H4
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Subaru Impreza Alternator Assembly
Part Number: 23700AA720
$441.94 MSRP: $646.12
You Save: $204.18 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA721
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2012-2014 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Alternator Assembly
Part Number: 23700AA681
$512.20 MSRP: $748.83
You Save: $236.63 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaced by: 23700AA871
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011 Subaru Impreza | STI, STI Special Edition, STI Sport, WRX, WRX Sport | 2.5L H4 Turbo
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Subaru Impreza Alternator Assembly
Part Number: 23700AA98A
$325.09 MSRP: $475.28
You Save: $150.19 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2018 Subaru Impreza | Base, Limited, Premium, Sport
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Subaru Impreza Alternator Assembly
Part Number: 23700AA680
$512.20 MSRP: $748.83
You Save: $236.63 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaced by: 23700AA871
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011 Subaru Impreza | STI, STI Special Edition, STI Sport, WRX, WRX Sport | 2.5L H4 Turbo
View related parts
Subaru Impreza Alternator Assembly
Part Number: 23700AA691
$514.03 MSRP: $751.50
You Save: $237.47 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assy; Alternator
- Replaced by: 23700AA6918A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2011 Subaru Impreza | 2.5i, Outback Sport | 2.5L H4
View related parts
Subaru Impreza Alternator Generator
Part Number: 23700AA910
$509.88 MSRP: $745.43
You Save: $235.55 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assembly
- Replaced by: 23700AA911
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2015 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza 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:
- 2005 Subaru Impreza | Outback, RS | 2.5L H4
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Subaru Impreza Alternator Assembly
Part Number: 23700AA570
$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:
- 2006-2007 Subaru Impreza | STI, STI Limited, WRX, WRX TR | 2.5L H4 Turbo
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Subaru Impreza Alternator Compatible
Part Number: 23700AA390
$558.94 MSRP: $817.17
You Save: $258.23 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator Assembly; Alternator
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2001 Subaru Impreza | Brighton, L, Outback, RS, TS | 2.2L H4 Series, 2.5L H4 SOHC
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Subaru Impreza Alternator Assembly
Part Number: 23700AA430
Product Specifications
- Other Name: Alternator Assy
- Replaced by: 23700AA430R1
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2002-2005 Subaru Impreza | Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.5L H4
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Subaru Impreza Alternator Compatible
Part Number: 23700AA290
Product Specifications
- Other Name: Alternator Assembly; Alternator
- Replaced by: 23700AA2908A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1997-1998 Subaru Impreza | Brighton, L, Outback, RS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC
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Subaru Impreza Alternator Assembly
Part Number: 23700AA202
Product Specifications
- Other Name: Alternator Assy; Alternator
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1996 Subaru Impreza | Base, Brighton, L, L+, LE, LS, LX, Outback | 1.8L H4, 2.2L H4
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Subaru Impreza Alternator Generator
Part Number: 23700AA98B
Product Specifications
- Other Name: Alternator Assy
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2021 Subaru Impreza | Base, Limited, Premium, Sport

Subaru Impreza Alternator

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Subaru Impreza Alternator Parts Questions & Experts Answers

Alternator Assembly
23700AA521
Q: How Do I Remove and Install an Alternator on Subaru Impreza?
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.