Alternators

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SubaruOnlineParts provide original equipment manufacturer (OEM) alternators for your Subaru vehicles. This component maintains the performance of your car’s battery by using the engine’s power to charge the battery cell. We offer genuine alternators for various Subaru models, ranging from the oldest Justy to the latest WRX.

Improve Your Car Battery’s Performance with a Subaru OEM Alternator

An alternator’s main parts include a rotor, stator, diode rectifier, and voltage regulator. The rotor acts as the rotating component of this equipment. It has magnets that generate an alternating current (AC) to charge your car’s battery. Meanwhile, the stator is the stationary part of an alternator. The stator’s coils send the AC to a set of diode rectifiers. These connected diodes are then responsible for regulating the current. Together, these components ensure that your battery has sufficient load for every car ride.

It is essential to inspect this component regularly since a malfunctioning one gives various problems. For instance, a weak alternator causes a weak or dead battery. As a result, you will have a difficult time starting your Subaru vehicle. Odd noises from your car’s hood is also a sign of a bad alternator. Thus, it is crucial to incorporate a compatible unit to your vehicle.

Buy Premium Subaru Alternators at Discounted Prices

At SubaruOnlineParts, we provide customers with 100% genuine alternators and related auto components. Our extensive catalog of alternators is compatible with older models of Justy, RX, Loyale, Legacy, Outback, Impreza, Forester, Baja, GL, and DL. We also offer this equipment for newer models of Ascent, Crosstek, WRX, and Impreza.

We do not offer used or aftermarket items. Hence, all of our products are authentic Subaru car parts. Should you have any questions about the products, feel free to contact our customer service.

Alternator
Part Number: 23700AA7018A
Other Names: Alternator Ay More Names
Replaces: 23700AA700, 23700AA701
Description: Forester. Without turbo. With hybrid. More Info
Fits:
  • Subaru:
    • Forester,
    • XV Crosstrek
MSRP $580.53
$459.20
MSRP $580.53
$459.20
Alternator
Part Number: 23700AA91B
Other Names: Alternator Ay More Names
Replaces: 23700AA91A
Description: Fits Legacy, Outback Alternator Your alternator replenishes your battery when your car is running. If you have a battery light, low... More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $395.80
$332.47
MSRP $395.80
$332.47
Alternator
Part Number: 23700AB020
Other Names: Alternator Ay More Names
Description: Legacy, Outback. 3.6l. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AB04A
Other Names: Altntr Assembly More Names
Description: Acsent. More Info
Fits:
  • Subaru:
    • Ascent
MSRP $405.96
$341.00
MSRP $405.96
$341.00
Alternator
Part Number: 23700AB051
Other Names: Altntr Assembly More Names
Replaces: 23700AB050
Description: Forester. More Info
Fits:
  • Subaru:
    • Forester
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AB16A
Other Names: Alternator Ay More Names
Description: 2.4L turbo. More Info
Fits:
  • Subaru:
    • Ascent,
    • Legacy,
    • Outback
MSRP $405.96
$341.00
MSRP $405.96
$341.00
Alternator
Part Number: 23700AA00R
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA000
Description: All models. Sedan, coupe, wagon. Power steering. P/s. Loyale. Auto trans. Without turbo, without ac. More Info
Notes: 19. More Notes
Fits:
  • Subaru:
    • DL,
    • GL,
    • GL-10,
    • Loyale,
    • RX
MSRP $233.40
$168.05
MSRP $233.40
$168.05
Alternator
Part Number: 23700AA190R1
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA190
Description: SVX. More Info
Fits:
  • Subaru:
    • SVX
MSRP $304.45
$219.20
MSRP $304.45
$219.20
Alternator
Part Number: 23700AA37AR1
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA37A, 23700AA37A8A
Description: Manual trans. Legacy. All. Outback. 2.5l. Baja. Without turbo. More Info
Fits:
  • Subaru:
    • Baja,
    • Legacy,
    • Outback
MSRP $309.52
$222.85
MSRP $309.52
$222.85
Alternator
Part Number: 23700AA430R1
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA430
Description: 2.0, 2.5L. Impreza. 2.0l. More Info
Fits:
  • Subaru:
    • Impreza
MSRP $309.52
$222.85
MSRP $309.52
$222.85
Alternator
Part Number: 23700AA751
Other Names: Altntr Assembly More Names
Replaces: 23700AA750
Description: BRZ. More Info
Fits:
  • Subaru:
    • BRZ
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA831
Other Names: Alternator Ay More Names
Replaces: 23700AA620, 23700AA621, 23700AA830
Description: Fits Legacy, Outback, Tribeca Alternator Your alternator replenishes your battery when your car is running. If you have a battery... More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback,
    • Tribeca
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA871
Other Names: Altntr Assembly More Names
Replaces: 23700AA680, 23700AA681, 23700AA870
Description: Alternator. Fits Forester, STI, WRX Alternator Your alternator replenishes your battery when your car is running. If you have a... More Info
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • WRX STI
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA901
Other Names: Alternator Ay More Names
Description: XV Crosstrek. With hybrid. More Info
Fits:
  • Subaru:
    • Crosstrek,
    • XV Crosstrek
MSRP $1,220.42
$1,061.88
MSRP $1,220.42
$1,061.88
Alternator
Part Number: 23700AA98A
Other Names: Alternator Assembly More Names
Description: Impreza. More Info
Fits:
  • Subaru:
    • Impreza
MSRP $405.96
$341.00
MSRP $405.96
$341.00
Alternator
Part Number: 23700AA98B
Other Names: Altntr Assembly More Names
Fits:
  • Subaru:
    • Impreza
MSRP $405.96
$341.00
MSRP $405.96
$341.00
Alternator
Part Number: 23700AB000
Other Names: Alternator Assembly More Names
Replaces: 23700AA921
Description: 2.5L. More Info
Fits:
  • Subaru:
    • Forester
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AB13A
Other Names: Alternator Ay More Names
Description: 2.5L. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $405.96
$341.00
MSRP $405.96
$341.00
Alternator
Part Number: 23700AA02R
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA020, 429907700
Description: Manual steering. All models. Sedan, coupe, wagon. Loyale. Manual trans. With turbo. Brat. More Info
Notes: 13. More Notes
Fits:
  • Subaru:
    • Brat,
    • DL,
    • GL,
    • GL-10,
    • Loyale,
    • RX
  • 1 more
MSRP $233.40
$168.05
MSRP $233.40
$168.05
Alternator
Part Number: 23700AA3708A
Other Names: Alternator Ay More Names
Replaces: 23700AA370
Description: Forester. Impreza. 2.5l. 2.5L turbo. Baja. With turbo. More Info
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza,
    • Legacy
MSRP $676.66
$535.24
MSRP $676.66
$535.24
Alternator
Part Number: 23700AA4018A
Other Names: Altntr Assembly More Names
Replaces: 23700AA401
Description: Auto trans. Legacy. Outback. 3.0l. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $670.07
$530.03
MSRP $670.07
$530.03
Alternator
Part Number: 23700AA5108A
Other Names: Alternator Assembly More Names
Replaces: 23700AA510
Description: Fits Legacy, Outback, Tribeca Alternator Your alternator replenishes your battery when your car is running. If you have a battery... More Info
Fits:
  • Subaru:
    • B9 Tribeca,
    • Legacy,
    • Outback
MSRP $609.56
$482.16
MSRP $609.56
$482.16
Alternator
Part Number: 23700AA63B8A
Other Names: Alternator Ay More Names
Replaces: 23700AA63A, 23700AA63B
Description: Fits Legacy, Outback Alternator Your alternator replenishes your battery when your car is running. If you have a battery light, low... More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $405.95
$292.28
MSRP $405.95
$292.28
Alternator
Part Number: 23700AA78A8A
Other Names: Alternator Ay More Names
Replaces: 23700AA78A
Description: From 12/5/12. 2.5L. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $405.95
$292.28
MSRP $405.95
$292.28
Alternator
Part Number: 23700AA911
Other Names: Altntr Assembly More Names
Replaces: 23700AA910
Description: WRX. Without hybrid. Impreza. Without turbo. 2.0L. XV Crosstrek. More Info
Fits:
  • Subaru:
    • Crosstrek,
    • Impreza,
    • WRX,
    • XV Crosstrek
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA931
Other Names: Altntr Assembly More Names
Replaces: 23700AA930
Description: Legacy, Outback. 3.6l. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA970
Other Names: Alternator Ay More Names
Description: Crosstrek. More Info
Fits:
  • Subaru:
    • Crosstrek
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA971
Other Names: Alternator Ay More Names
Description: Crosstrek. From 05/23/2017. More Info
Fits:
  • Subaru:
    • Crosstrek
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AA990
Other Names: Alternator Ay More Names
Description: BRZ. More Info
Fits:
  • Subaru:
    • BRZ
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AB01A
Other Names: Altntr Assembly More Names
Description: Legacy, Outback. 2.5l. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $405.96
$341.00
MSRP $405.96
$341.00
Alternator
Part Number: 23708AA34A
Other Names: Rotor Ay Alternator More Names
Description: Legacy/Outback. 2.5l. To 12/4/12. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $168.63
$121.42
MSRP $168.63
$121.42
Alternator
Part Number: 23700AA390
Other Names: Alternator Ay More Names
Description: Forester. Impreza. More Info
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Outback
MSRP $670.24
$530.16
MSRP $670.24
$530.16
Alternator
Part Number: 23700AA5228A
Other Names: Alternator Assembly More Names
Replaces: 23700AA520, 23700AA521, 23700AA522, 23700AA570
Description: Fits Forester, Impreza, Legacy, Outback, STI, WRX Alternator Your alternator replenishes your battery when your car is running. If you... More Info
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $580.53
$459.20
MSRP $580.53
$459.20
Alternator
Part Number: 23700AA5418A
Other Names: Alternator Assembly More Names
Replaces: 23700AA540, 23700AA541
Description: Forester. Impreza. 2.5l. With sti. With turbo. More Info
Fits:
  • Subaru:
    • Forester,
    • Impreza
MSRP $566.87
$448.40
MSRP $566.87
$448.40
Alternator
Part Number: 23700AA5818A
Other Names: Alternator Assembly More Names
Replaces: 23700AA580, 23700AA581
Description: Tribeca. More Info
Fits:
  • Subaru:
    • Tribeca
MSRP $580.54
$459.21
MSRP $580.54
$459.21
Alternator
Part Number: 23700AA6918A
Other Names: Alternator Assembly More Names
Replaces: 23700AA690, 23700AA691
Description: Impreza. Without turbo. More Info
Fits:
  • Subaru:
    • Impreza
MSRP $566.87
$448.40
MSRP $566.87
$448.40
Alternator
Part Number: 23700AA721
Other Names: Alternator Ay More Names
Replaces: 23700AA720
Description: Impreza. Without turbo. XV Crosstrek. Without hybrid. More Info
Fits:
  • Subaru:
    • Impreza,
    • XV Crosstrek
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23700AB030
Other Names: Alternator Ay More Names
Replaces: 23700AA760, 23700AA761
Description: Forester. 2.0L. 2.5L. More Info
Fits:
  • Subaru:
    • Forester
MSRP $527.76
$417.46
MSRP $527.76
$417.46
Alternator
Part Number: 23708AA340
Other Names: Rotor, Rotor Assembly Alternator More Names
Description: Legacy/Outback. 2.5l. From 12/5/12. More Info
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $209.73
$151.01
MSRP $209.73
$151.01
Alternator Bolt
Part Number: 808206030
Other Names: Bolt 6X20X18 More Names
Fits:
  • Subaru:
    • BRZ
MSRP $1.68
$1.21
MSRP $1.68
$1.21
Alternator Belt
Part Number: 809214010
Other Names: V Belt More Names
Fits:
  • Subaru:
    • Justy
MSRP $22.95
$16.52
MSRP $22.95
$16.52
Alternator Belt
Part Number: 809218450
Other Names: Serpentine Belt, V Belt-18X5X882 More Names
Replaces: 809218300, 809218310, 809218380, 809218430
Description: 2.5L. Forester. With turbo. Without sti model. 2.0L. Impreza. 2.0. More Info
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza
MSRP $22.95
$16.52
MSRP $22.95
$16.52
Alternator Belt
Part Number: 809221100
Other Names: Serpentine Belt, V Belt More Names
Replaces: 809221050
Description: 3.0L. More Info
Fits:
  • Subaru:
    • Outback
MSRP $39.95
$28.76
MSRP $39.95
$28.76
Alternator Hanger
Part Number: 10005AA031
Other Names: Hanger Engine More Names
Replaces: 10005AA030
Fits:
  • Subaru:
    • Forester
MSRP $24.38
$17.56
MSRP $24.38
$17.56
Alternator Brace
Part Number: 11717AA060
Other Names: Alternator Plate, Mount Bracket Brace, Plate Alternator More Names
Replaces: 11717AA030
Description: 2.5L. All. 3.0L. 2.0L. More Info
Fits:
  • Subaru:
    • B9 Tribeca,
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback,
    • Tribeca,
    • WRX STI
  • 3 more
MSRP $5.02
$3.61
MSRP $5.02
$3.61
Alternator Pulley
Part Number: 23752AA070
Other Names: Pulley, Pulley-Altntr More Names
Description: WRX STI. 2.5L turbo. More Info
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy,
    • Outback,
    • WRX STI
MSRP $92.03
$66.26
MSRP $92.03
$66.26
Alternator Bolt
Part Number: 808208310
Other Names: Bracket Bolt, Bolt More Names
Fits:
  • Subaru:
    • Impreza
MSRP $1.58
$0.95
MSRP $1.58
$0.95
Alternator Bolt
Part Number: 808408150
Other Names: Alternator Mount Bolt, Bolt 8X99X33 More Names
Description: #1. More Info
Fits:
  • Subaru:
    • Ascent,
    • Crosstrek,
    • Forester
MSRP $2.50
$1.80
MSRP $2.50
$1.80

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