Subaru Legacy Alternators (2020-2024) - Parts, Prices & Buying Guide

Find quality alternators for your Subaru Legacy (2020-2024). Browse 20 available listings with prices starting around $152.02. Electrical system power.

20 listings available | Prices from $41.99 to $899.00|17 verified sellers

6,109 Results

Alternators

Found 6109 listings for "subaru legacy alternators"

SCITOO Alternator For Subaru Legacy 2.5L 95 96 97 98 99 1995 1996 1997 1998 1999

SCITOO Alternator For Subaru Legacy 2.5L 95 96 97 98 99 1995 1996 1997 1998 1999

$87.20USD
New📍 US
Free shipping
Seller: scitoo-autoparts
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Alternator For Subaru Legacy 2.2L 2.5 96 97 98 99 &2.2L 95

Alternator For Subaru Legacy 2.2L 2.5 96 97 98 99 &2.2L 95

$145.76USD
New📍 US
Free shipping
Seller: dbelectrical
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For 2.5L Subaru BAJA FORESTER IMPREZA LEGACY OUTBACK 2000-2006 Alternator New

For 2.5L Subaru BAJA FORESTER IMPREZA LEGACY OUTBACK 2000-2006 Alternator New

$102.34USD
New📍 US
Free shipping
Seller: precisionautoparts1
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13889 Alternator For 2003 2004 2005 2006 Legacy Outback Subaru Baja 2.5L

13889 Alternator For 2003 2004 2005 2006 Legacy Outback Subaru Baja 2.5L

$75.99USD
New📍 US
Free shipping
Seller: vehicle_autoparts
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New Alternator For Subaru Legacy Outback 2.5 2010 11 12 23700-AA63B 23700-AA63A

New Alternator For Subaru Legacy Outback 2.5 2010 11 12 23700-AA63B 23700-AA63A

$130.95USD
New📍 US
Free shipping
Seller: oegparts
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145 AMP 13645 Alternator fits Subaru Legacy High Output Performance HD USA

145 AMP 13645 Alternator fits Subaru Legacy High Output Performance HD USA

$184.98USD
New📍 US
Free shipping
Seller: bnrparts
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2005-2009 Subaru Legacy & Outback Alternator 2.5L Assembly 23700AA55A OEM 05-09

2005-2009 Subaru Legacy & Outback Alternator 2.5L Assembly 23700AA55A OEM 05-09

$41.99USD
Used📍 US
+ $12.99 shipping
Seller: 31motorsport
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HIGH OUTPUT 250 AMP ALTERNATOR FOR SUBARU FORESTER IMPREZA WRX 92X 2.5L HD 250A

HIGH OUTPUT 250 AMP ALTERNATOR FOR SUBARU FORESTER IMPREZA WRX 92X 2.5L HD 250A

$229.99USD
New📍 US
+ $17.99 shipping
Seller: california_alternator_starter
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Labwork Alternator For Subaru Outback H4 2.5L 2005-2009 11024N 23700-AA55AR1

Labwork Alternator For Subaru Outback H4 2.5L 2005-2009 11024N 23700-AA55AR1

$88.99USD
New📍 US
Free shipping
Seller: labwork
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2010-2012 SUBARU LEGACY 2.5L ALTERNATOR 23700AA63A OEM

2010-2012 SUBARU LEGACY 2.5L ALTERNATOR 23700AA63A OEM

$50.99USD
Used📍 US
Free shipping
Seller: 1-stopautoparts
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Alternator Fits 10-12 LEGACY 1403628

Alternator Fits 10-12 LEGACY 1403628

$53.65USD
Used📍 US
Free shipping
Seller: partshunter203
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Alternator for Subaru Legacy 3.6R Premium Sedan 10-14 11437 A3TJ3591 23700-AA620

Alternator for Subaru Legacy 3.6R Premium Sedan 10-14 11437 A3TJ3591 23700-AA620

$118.98USD
New📍 US
Free shipping
Seller: asucarparts
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New Alternator For Subaru Outback H4 2.5L 05-09 23700-AA55AR1 400-48069 2-11024

New Alternator For Subaru Outback H4 2.5L 05-09 23700-AA55AR1 400-48069 2-11024

$123.95USD
New📍 US
Free shipping
Seller: oegparts
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Alternator For 3.0L 3.0 Subaru Tribeca 06 07 2006 2007 23700-Aa510 A3Tg0591

Alternator For 3.0L 3.0 Subaru Tribeca 06 07 2006 2007 23700-Aa510 A3Tg0591

$201.77USD
New📍 US
Free shipping
Seller: dbelectrical
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For Subaru Legacy 1995-1999 2.2L Legacy 1996-1999 2.5L 85Amp Alternator 13645

For Subaru Legacy 1995-1999 2.2L Legacy 1996-1999 2.5L 85Amp Alternator 13645

$93.49USD
New📍 US
Free shipping
Seller: autochoiceshare
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New Alternator For Subaru Baja Forester Impreza Legacy Outback 2.5LH4 2003-2006

New Alternator For Subaru Baja Forester Impreza Legacy Outback 2.5LH4 2003-2006

$114.99USD
New📍 US
Free shipping
Seller: hkingoxia123
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140 Amp High Output NEW Alternator For Subaru Legacy H4 2.2L 2.5L 1995-1999

140 Amp High Output NEW Alternator For Subaru Legacy H4 2.2L 2.5L 1995-1999

$899.00USD
New📍 US
Free shipping
Seller: aan_global
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New Alternator For Subaru 2.5 H4 Impreza Legacy Outback Forester Baja EJ250

New Alternator For Subaru 2.5 H4 Impreza Legacy Outback Forester Baja EJ250

$110.95USD
New📍 US
Free shipping
Seller: oegparts
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SUBARU LEGACY 2.5L  AUTOMATIC ALTERNATOR OEM 2000-2001

SUBARU LEGACY 2.5L AUTOMATIC ALTERNATOR OEM 2000-2001

$79.88USD
Used📍 US
Free shipping
Seller: sayaniautoparts
View on eBay
11024N NEW Alternator for 2005-2009 Subaru Legacy Outback H4 2.5L  23700-AA55A

11024N NEW Alternator for 2005-2009 Subaru Legacy Outback H4 2.5L 23700-AA55A

$104.49USD
New📍 US
Free shipping
Seller: excelleegcparts23
View on eBay

About Subaru Legacy Alternators Parts

Keep your Subaru Legacy electrical system running with a quality alternator. The alternator charges your battery and powers electrical components while driving. Choose from remanufactured or new alternators that meet OEM specifications.

Why Shop Alternators for Subaru Legacy?

  • Genuine OEM and high-quality aftermarket options available
  • Competitive pricing from verified eBay sellers
  • Fast shipping options with buyer protection
  • Easy returns and seller ratings for peace of mind

Buying Tips for Subaru Legacy Alternators

OEM vs Aftermarket

For your Subaru Legacy, OEM parts guarantee exact fit and function. Quality aftermarket options often provide equivalent performance at lower cost.

Type Selection

Alternators are available in Standard OEM, High-output, Remanufactured options. Choose based on your driving style and budget.

Know When to Replace

Watch for these signs: Dim or flickering lights, Battery warning light, Dead battery. Early replacement prevents more expensive repairs.

Parts Availability

Japanese engineering emphasizes reliability and precision, with parts designed for long service life.

Technical Information

The alternator charges your battery and powers the electrical system while the engine is running.

Available Types

  • Standard OEM
  • High-output
  • Remanufactured
  • Performance

Key Benefits

  • Battery charging
  • Electrical system power
  • Consistent voltage
  • Accessory support

Warning Signs to Watch For

  • Dim or flickering lights
  • Battery warning light
  • Dead battery
  • Whining noise
  • Electrical issues

Recommended Replacement Interval

100,000-150,000 miles, varies by vehicle and conditions

Installation Information

Difficulty: Moderate-Hard
Estimated Time: 1-3 hours
DIY Friendly: Intermediate

DIY possible for those with intermediate mechanical skills and proper tools.

Installation time may vary for Subaru Legacy based on engine bay layout and accessibility.

Frequently Asked Questions

How do I find the right alternators for my Subaru Legacy?

Verify compatibility using your Subaru Legacy's VIN number, production year (2020-2024), and engine code. Check seller compatibility charts and cross-reference OEM part numbers when possible.

How often should I replace alternators on my Subaru Legacy?

General guideline: 100,000-150,000 miles, varies by vehicle and conditions. However, driving conditions (city vs highway, climate, towing) affect replacement frequency. Inspect regularly and replace when warning signs appear.

Should I use OEM or aftermarket alternators for my Subaru Legacy?

OEM parts guarantee exact Subaru specifications and fitment. Quality aftermarket brands often meet or exceed OEM standards at lower prices. For warranty vehicles, check if aftermarket parts affect coverage.

What are signs that my Subaru Legacy needs new alternators?

Common warning signs include: Dim or flickering lights, Battery warning light, Dead battery, Whining noise, Electrical issues. If you notice any of these symptoms, inspect or replace the alternators promptly to prevent further damage.

Can I install alternators on my Subaru Legacy myself?

Possible for DIYers with intermediate skills. Expect 1-3 hours. Always consult your owner's manual and follow proper safety procedures.