Subaru Alternators

How a Subaru Alternator Works

Batteries help start Subaru vehicles; factory alternators keep them running reliably. There's no difference between how a remanufactured alternator and a new alternator work. In your case, they're both original Subaru, and they both consistently pass power among the many electrical systems in your vehicle.

What Are The Signs of Alternator Failure?

However, even OEM Subaru alternators, for all their time-tested quality, can fail with age, even before an alternator warning light activates. Signs your alternator is going bad range from flickering headlights and car entertainment system malfunctions to engine squeaks and dead batteries. You could even smell burning under the hood. Worse yet, you could inadvertently cause alternator failure without symptoms, with an incompatible accessory install or bad jump-start.

When to Replace Your Alternator

If your Subaru experiences electrical failure, have it inspected and run a charging system test to be sure of what the problem is. Otherwise, you can change your alternator every 7 years or every 80,000 to 150,000 miles, whichever comes first.

Get a Genuine Subaru Alternator from Devil Subaru Parts

A genuine Subaru alternator will be compatible with your model right from the factory, so it'll be your best replacement option. You can browse our online catalog and place an order when you're ready to get started. We offer fast shipping options so you can get the parts you need ASAP. Check another maintenance schedule off your list - order one online from our auto parts counter or contact us with any questions!

Alternator

Part Number: 23700AA7018A
Subaru Subaru
Other Names: Alternator Ay
Replaces: 23700AA700, 23700AA701
Description: Forester. Without turbo. With hybrid.
Fits:
  • Subaru:
    • Forester,
    • XV Crosstrek
MSRP $724.87
$469.71

Alternator

Part Number: 23700AA971
Subaru Subaru
Other Names: Alternator Ay
Description: Crosstrek. 2.0l. From 5/23/17. From 05/23/2017, 2.0L.
Fits:
  • Subaru:
    • Crosstrek
MSRP $732.53
$474.68

Alternator

Part Number: 23700AB180
Subaru Subaru
Other Names: Altntr Assembly
Description: BRZ. 2.4l.
Fits:
  • Subaru:
    • BRZ
MSRP $715.77
$463.82

Alternator-Rotor Assembly

Part Number: 23708AA34A
Subaru Subaru
Other Names: Rotor Ay Alternator
Description: Legacy/Outback. 2.5l. To 12/4/12.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $185.12
$122.18

Alternator

Part Number: 23700AA3708A
Subaru Subaru
Other Names: Alternator Ay
Replaces: 23700AA370
Description: Forester. Impreza. 2.5l. 2.5L turbo. Baja. With turbo.
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza,
    • Legacy
MSRP $827.82
$536.43

Alternator

Part Number: 23700AA390
Subaru Subaru
Other Names: Alternator Ay
Description: Forester. Impreza.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Outback
MSRP $817.17
$529.52

Alternator

Part Number: 23700AA721
Subaru Subaru
Other Names: Alternator Ay
Replaces: 23700AA720
Description: Impreza. Without turbo. XV Crosstrek. Without hybrid.
Fits:
  • Subaru:
    • Impreza,
    • XV Crosstrek
MSRP $646.12
$418.68

Alternator

Part Number: 23700AA78A8A
Subaru Subaru
Other Names: Alternator Ay
Replaces: 23700AA78A
Description: From 12/5/12. 2.5L.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $421.80
$278.39

Alternator

Part Number: 23700AA91B
Subaru Subaru
Other Names: Alternator Ay
Replaces: 23700AA91A
Description: Fits Legacy, Outback Alternator Your alternator replenishes your battery when your car is running. If you have a battery light, low...
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $562.23
$364.33

Alternator

Part Number: 23700AB020
Subaru Subaru
Other Names: Alternator Ay
Description: Legacy, Outback. 3.6l.
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $690.50
$447.44

Alternator Pulley

Part Number: 23752AA050
Subaru Subaru
Notes: Included with alternator assembly.
Other Names: Pulley
Description: Without turbo. 2.5L, all. 2.5L, manual trans.
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $135.63
$91.15

Alternator Pulley

Part Number: 23752AA100
Subaru Subaru
Notes: Included with alternator assembly.
Other Names: Pulley, Pulley-Alternator
Description: 3.6L. 3.0L.
Fits:
  • Subaru:
    • B9 Tribeca,
    • Legacy,
    • Outback,
    • Tribeca
MSRP $118.80
$79.83

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