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 $105.10. Electrical system power.

20 listings available | Prices from $26.70 to $179.00|11 verified sellers

3,911 Results

Alternators

Found 3911 listings for "subaru legacy alternators"

TO FIT SUBARU LEGACY (BL BP) MK4 2.0 2.5 AWD 2003-2012 BRAND NEW 110A ALTERNATOR

TO FIT SUBARU LEGACY (BL BP) MK4 2.0 2.5 AWD 2003-2012 BRAND NEW 110A ALTERNATOR

£109.95GBP
New📍 GB
Free shipping
Seller: aapoldham
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1A3102 ALTERNATOR For SUBARU Legacy Estate/ Wagon IV Outback 2.5 AWD 2003-2009

1A3102 ALTERNATOR For SUBARU Legacy Estate/ Wagon IV Outback 2.5 AWD 2003-2009

£89.00GBP
Remanufactured📍 GB
Free shipping
Seller: alternator-startermotor-parts
View on eBay
1A3754 ALTERNATOR For SUBARU Forester Impreza Legacy V Outback XV 2.0 D

1A3754 ALTERNATOR For SUBARU Forester Impreza Legacy V Outback XV 2.0 D

£133.86GBP
Remanufactured📍 GB
Free shipping
Seller: alternator-startermotor-parts
View on eBay
Alternator fits SUBARU LEGACY 2.0 94 to 03 23700AA370 23700AA37A 23700AA37AR1

Alternator fits SUBARU LEGACY 2.0 94 to 03 23700AA370 23700AA37A 23700AA37AR1

£119.70GBP
New📍 GB
Free shipping
Seller: carpartsinmotion
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110 amp BRAND NEW ALTERNATOR for SUBARU IMPREZA & FORESTER WRX STi TURBO 2.0 2.5

110 amp BRAND NEW ALTERNATOR for SUBARU IMPREZA & FORESTER WRX STi TURBO 2.0 2.5

£109.99GBP
New📍 GB
Free shipping
Seller: schmitz_re
View on eBay
SUBARU FORESTER IMPREZA LEGACY OUTBACK XV 2.0D ALTERNATOR 237000AA660 23700AA661

SUBARU FORESTER IMPREZA LEGACY OUTBACK XV 2.0D ALTERNATOR 237000AA660 23700AA661

£179.00GBP
Remanufactured📍 GB
Free shipping
Seller: thestartermotoralternatorco.ltd
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Engine Alternator for Subaru Forester SH Impreza Legacy IV Outback BR XV 2.0 New

Engine Alternator for Subaru Forester SH Impreza Legacy IV Outback BR XV 2.0 New

£123.99GBP
New📍 GB
Free shipping
Seller: premiumparts_eu
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Fits SUBARU OUTBACK LEGACY B9 TRIBECA 3.0 3.6 EZ30D EZ36D 2000-2014 ALTERNATOR

Fits SUBARU OUTBACK LEGACY B9 TRIBECA 3.0 3.6 EZ30D EZ36D 2000-2014 ALTERNATOR

£129.99GBP
New📍 GB
Free shipping
Seller: schmitz_re
View on eBay
TO FIT SUBARU OUTBACK ESTATE (BP)  2.0 2.5 AWD 2003-2009 BRAND NEW ALTERNATOR

TO FIT SUBARU OUTBACK ESTATE (BP) 2.0 2.5 AWD 2003-2009 BRAND NEW ALTERNATOR

£109.95GBP
New📍 GB
Free shipping
Seller: aapoldham
View on eBay
SUBARU LEGACY OUTBACK 2.0D ALTERNATOR 23700AA590 A003TG4381 A3TG4381

SUBARU LEGACY OUTBACK 2.0D ALTERNATOR 23700AA590 A003TG4381 A3TG4381

£129.00GBP
Remanufactured📍 GB
Free shipping
Seller: thestartermotoralternatorco.ltd
View on eBay
SUBARU IMPREZA / LEGACY ALTERNATOR (A1713)

SUBARU IMPREZA / LEGACY ALTERNATOR (A1713)

£105.00GBP
Remanufactured📍 GB
Free shipping
Seller: thestartermotoralternatorco.ltd
View on eBay
fits SUBARU LEGACY & OUTBACK 2.5 EJ253 EJ252 A3TG2391ZC  23700 AA55A ALTERNATOR

fits SUBARU LEGACY & OUTBACK 2.5 EJ253 EJ252 A3TG2391ZC 23700 AA55A ALTERNATOR

£109.99GBP
New📍 GB
Free shipping
Seller: schmitz_re
View on eBay
2009 SUBARU LEGACY ALTERNATOR 2.0 PETROL EJ20 23700AA521

2009 SUBARU LEGACY ALTERNATOR 2.0 PETROL EJ20 23700AA521

£55.75GBP
Used📍 GB
Free shipping
Seller: scbcarparts
⏱️ 7% off
View on eBay
Mitsubishi Electric Alternator 12V Subaru Legacy [Needs Refurb]

Mitsubishi Electric Alternator 12V Subaru Legacy [Needs Refurb]

£26.70GBP
Used📍 GB
+ £5.21 shipping
Seller: marlon_brendo
View on eBay
SUBARU LEGACY 2005 - 2009 ALTERNATOR 2.0 PETROL TURBO 100AMP 72049 23700-AA521

SUBARU LEGACY 2005 - 2009 ALTERNATOR 2.0 PETROL TURBO 100AMP 72049 23700-AA521

£82.49GBP
Used📍 GB
Free shipping
Seller: nippon_autospares_ltd
View on eBay
SUBARU LEGACY 2009 - 2014 ALTERNATOR 2.5 PETROL TURBO 59199 23700-AA650

SUBARU LEGACY 2009 - 2014 ALTERNATOR 2.5 PETROL TURBO 59199 23700-AA650

£87.49GBP
Used📍 GB
Free shipping
Seller: nippon_autospares_ltd
View on eBay
NEW ALTERNATOR for SUBARU LEGACY & OUTBACK  A2TX0691 A2TX0691A 23700 AA650 AA651

NEW ALTERNATOR for SUBARU LEGACY & OUTBACK A2TX0691 A2TX0691A 23700 AA650 AA651

£109.99GBP
New📍 GB
Free shipping
Seller: schmitz_re
View on eBay
SUBARU LEGACY IMPREZA 2.0 ALTERNATOR 23700-AA520

SUBARU LEGACY IMPREZA 2.0 ALTERNATOR 23700-AA520

£40.00GBP
Used📍 GB
Free shipping
Seller: bn9carspares
View on eBay
Alternator For Subaru Legacy 2.5 Petrol 1998 to 2003 90Amp

Alternator For Subaru Legacy 2.5 Petrol 1998 to 2003 90Amp

£125.20GBP
New📍 GB
Free shipping
Seller: online_parts_supply
View on eBay
SUBARU LEGACY 2009 - 2014 ALTERNATOR 2.5 PETROL TURBO 61759 23700-AA810

SUBARU LEGACY 2009 - 2014 ALTERNATOR 2.5 PETROL TURBO 61759 23700-AA810

£124.99GBP
Used📍 GB
Free shipping
Seller: nippon_autospares_ltd
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.