Alternators

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The alternator is a key component of your Subaru vehicle as it helps power its electrical components. Just as the name suggests, it delivers alternating current to various electrical instruments, including your dashboard lights, headlights, windshield wipers, heated seats, and car radio. When you start your Subaru model, the alternator provides power to the engine. It charges the battery by converting mechanical energy generated by the rotating crankshaft into electrical energy.

When Should I Replace My Alternator?

Over time, the moving parts of the alternator can start to wear, and you might have to shop for a replacement. You can keep an eye out for some warning signs of a failing alternator. For starters, your check engine light may turn on, or you may have a dead car battery. You may also hear unfamiliar whining or growling noises coming from your vehicle. Another sign? The smell of burning rubber can indicate your alternator is starting to wear out.

Purchase Your OEM Alternator Online

If you find that it is time to replace your alternator through an inspection, be sure to purchase an OEM alternator. The parts we carry come straight from the factory, made specifically for your Subaru. They are guaranteed to fit the model you drive. Shop now, and we'll ship your order straight to your door!

PT490790 Alternator Ay
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
MSRP $233.40
$156.84
MSRP $233.40
$156.84
Alternator Ay
Part Number: 23700AA3708A
Other Names: Alternator Ay More Names
Replaces: 23700AA370
Description: Forester. Impreza. 2.5l. 2.5L turbo. Baja. With turbo. More Info
MSRP $676.66
$528.13
MSRP $676.66
$528.13
Alternator Ay
Part Number: 23700AA4018A
Other Names: Altntr Assembly More Names
Replaces: 23700AA401
Description: Auto trans. Legacy. Outback. 3.0l. More Info
MSRP $670.07
$522.99
MSRP $670.07
$522.99
Alternator Ay
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
MSRP $609.56
$475.76
MSRP $609.56
$475.76
Alternator Ay
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
MSRP $405.95
$272.80
MSRP $405.95
$272.80
Alternator Ay
Part Number: 23700AA78A8A
Other Names: Alternator Ay More Names
Replaces: 23700AA78A
Description: From 12/5/12. 2.5L. More Info
MSRP $405.95
$272.80
MSRP $405.95
$272.80
Alternator Ay
Part Number: 23700AA911
Other Names: Altntr Assembly More Names
Replaces: 23700AA910
Description: WRX. Without hybrid. Impreza. Without turbo. 2.0L. XV Crosstrek. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator Ay
Part Number: 23700AA931
Other Names: Altntr Assembly More Names
Replaces: 23700AA930
Description: Legacy, Outback. 3.6l. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator
Part Number: 23700AA970
Other Names: Alternator Ay More Names
Description: Crosstrek. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator
Part Number: 23700AA971
Other Names: Alternator Ay More Names
Description: Crosstrek. From 05/23/2017. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator
Part Number: 23700AA990
Other Names: Alternator Ay More Names
Description: BRZ. More Info
MSRP $578.81
$451.76
MSRP $578.81
$451.76
Alternator
Part Number: 23700AB01A
Other Names: Altntr Assembly More Names
Description: Legacy, Outback. 2.5l. More Info
MSRP $421.43
$330.40
MSRP $421.43
$330.40
Alternator
Part Number: 23708AA34A
Other Names: Rotor Ay Alternator More Names
Description: Legacy/Outback. 2.5l. To 12/4/12. More Info
MSRP $175.38
$117.86
MSRP $175.38
$117.86
Alternator Ay
Part Number: 23700AA7018A
Other Names: Alternator Ay More Names
Replaces: 23700AA700, 23700AA701
Description: Forester. Without turbo. With hybrid. More Info
MSRP $580.53
$453.10
MSRP $580.53
$453.10
Alternator Ay
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
MSRP $429.96
$335.58
MSRP $429.96
$335.58
Alternator
Part Number: 23700AB020
Other Names: Alternator Ay More Names
Description: Legacy, Outback. 3.6l. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator
Part Number: 23700AB16A
Other Names: Alternator Ay More Names
Replaces: 23700AB04A
Description: 2.4L turbo. More Info
MSRP $421.43
$330.40
MSRP $421.43
$330.40
Alternator
Part Number: 23700AA390
Other Names: Alternator Ay More Names
Description: Forester. Impreza. More Info
MSRP $670.24
$523.12
MSRP $670.24
$523.12
Alternator Ay
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... More Info
MSRP $580.53
$453.10
MSRP $580.53
$453.10
Alternator Ay
Part Number: 23700AA5418A
Other Names: Alternator Assembly More Names
Replaces: 23700AA540, 23700AA541
Description: Forester. Impreza. 2.5l. With sti. With turbo. More Info
MSRP $569.96
$444.85
MSRP $569.96
$444.85
Alternator Ay
Part Number: 23700AA5818A
Other Names: Alternator Assembly More Names
Replaces: 23700AA580, 23700AA581
Description: Tribeca. More Info
MSRP $580.54
$453.11
MSRP $580.54
$453.11
Alternator Ay
Part Number: 23700AA6918A
Other Names: Alternator Assembly More Names
Replaces: 23700AA690, 23700AA691
Description: Impreza. Without turbo. More Info
MSRP $566.87
$442.44
MSRP $566.87
$442.44
Alternator Ay
Part Number: 23700AA721
Other Names: Alternator Ay More Names
Replaces: 23700AA720
Description: Impreza. Without turbo. XV Crosstrek. Without hybrid. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator Ay
Part Number: 23700AB030
Other Names: Alternator Ay More Names
Replaces: 23700AA760, 23700AA761
Description: Forester. 2.0L. 2.5L. More Info
MSRP $535.71
$418.13
MSRP $535.71
$418.13
Alternator
Part Number: 23700AB051
Other Names: Altntr Assembly More Names
Replaces: 23700AB050
Description: Forester. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator
Part Number: 23708AA340
Other Names: Rotor, Rotor Assembly Alternator More Names
Description: Legacy/Outback. 2.5l. From 12/5/12. More Info
MSRP $218.12
$146.57
MSRP $218.12
$146.57
Alternator Ay
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
MSRP $233.40
$156.84
MSRP $233.40
$156.84
Use 23700AA190R1
Part Number: 23700AA190R1
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA190
Description: SVX. More Info
MSRP $304.45
$204.59
MSRP $304.45
$204.59
Alternator Ay
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
MSRP $309.52
$208.00
MSRP $309.52
$208.00
Alternator Ay
Part Number: 23700AA430R1
Other Names: Remanufactured Alternator More Names
Replaces: 23700AA430
Description: 2.0, 2.5L. Impreza. 2.0l. More Info
MSRP $309.52
$208.00
MSRP $309.52
$208.00
Alternator Ay
Part Number: 23700AA751
Other Names: Altntr Assembly More Names
Replaces: 23700AA750
Description: BRZ. More Info
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator Ay
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
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator Ay
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
MSRP $527.76
$411.91
MSRP $527.76
$411.91
Alternator
Part Number: 23700AA901
Other Names: Alternator Ay More Names
Description: XV Crosstrek. With hybrid. More Info
MSRP $1,220.42
$1,043.09
MSRP $1,220.42
$1,043.09
Alternator
Part Number: 23700AA98A
Other Names: Alternator Assembly More Names
Description: Impreza. More Info
MSRP $405.96
$318.27
MSRP $405.96
$318.27
Alternator
Part Number: 23700AA98B
Other Names: Altntr Assembly More Names
MSRP $405.96
$318.27
MSRP $405.96
$318.27
Alternator Ay
Part Number: 23700AB000
Other Names: Alternator Assembly More Names
Replaces: 23700AA921
Description: 2.5L. More Info
MSRP $535.71
$418.13
MSRP $535.71
$418.13
Alternator
Part Number: 23700AB13A
Other Names: Alternator Ay More Names
Description: 2.5L. More Info
MSRP $421.43
$330.40
MSRP $421.43
$330.40
Alternator Bolt
Part Number: 800708380
Other Names: Bolt More Names
Replaces: 800108710, 800708100
MSRP $2.58
$2.00
MSRP $2.58
$2.00
Alternator Bolt
Part Number: 808408120
Other Names: Bolt 8X60X60 More Names
Description: #2. More Info
MSRP $2.62
$2.03
MSRP $2.62
$2.03
V Belt 18X5 8X880
Part Number: 809218210
Other Names: V Belt 18X5 8X880 More Names
Replaces: 809218150
MSRP $21.95
$16.99
MSRP $21.95
$16.99
Alternator Belt
Part Number: 809218260
Other Names: Accessory Drive Belt, V Belt 18X6X887 More Names
Replaces: 809218200
Description: 2.5L. Routing:Crk,Alt,Ps. Alternator and Power Steering. More Info
MSRP $17.27
$13.36
MSRP $17.27
$13.36
Alternator Belt
Part Number: 809218460
Other Names: Serpentine Belt, V Belt 18X5X874 More Names
Description: 2.5L. WRX STI. Impreza. With turbo, with sti. More Info
MSRP $31.25
$24.19
MSRP $31.25
$24.19
Alternator Bracket
Part Number: 11709AA110
Other Names: Bracket Alternator More Names
Description: With hybrid. More Info
MSRP $62.58
$43.18
MSRP $62.58
$43.18
Alternator Bolt
Part Number: 808206030
Other Names: Bolt 6X20X18 More Names
MSRP $1.75
$1.35
MSRP $1.75
$1.35
Alternator Belt
Part Number: 809214010
Other Names: V Belt More Names
MSRP $22.95
$17.76
MSRP $22.95
$17.76
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
MSRP $22.95
$17.76
MSRP $22.95
$17.76
Alternator Belt
Part Number: 809221100
Other Names: Serpentine Belt, V Belt More Names
Replaces: 809221050
Description: 3.0L. More Info
MSRP $39.95
$27.57
MSRP $39.95
$27.57
Alternator Hanger
Part Number: 10005AA031
Other Names: Hanger Engine More Names
Replaces: 10005AA030
MSRP $25.37
$19.63
MSRP $25.37
$19.63

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