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Genuine Subaru Impreza STI Alternator Case Kit

Alternator Case Set
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13 Alternator Case Kits found

  • Subaru Impreza STI Alternator Case Kit - 23727AA680
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA680
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    Subaru Impreza STI Rear Cover ALTERNATOR

    Part Number: 23727AA680
    $529.26 MSRP: $780.62
    You Save: $251.36 (33%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator; Rear Housing
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2013-2014 Subaru Impreza STI | STI, STI Special Edition, STI Sport, WRX, WRX Sport | 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23718AA151
    Diagram for Subaru Impreza STI Alternator Case Kit - 23718AA151
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    Subaru Impreza STI Front Cover Assembly ALTERNATOR

    Part Number: 23718AA151
    $126.80 MSRP: $183.77
    You Save: $56.97 (31%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Front Cover Assembly-Alternator; Front Housing
    • Position: Front
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2006-2014 Subaru Impreza STI | 2.5 GT, STI, STI Limited, STI Special Edition, STI Sport, WRX, WRX Sport, WRX TR, WRXSS | 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23718AA160
    Diagram for Subaru Impreza STI Alternator Case Kit - 23718AA160
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    Subaru Impreza STI Front Cover Assembly ALTERNATOR

    Part Number: 23718AA160
    $132.87 MSRP: $192.57
    You Save: $59.70 (31%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Front Cover Assembly-Alternator; Front Housing
    • Position: Front
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2004-2011 Subaru Impreza STI | 2.5i, 25i, Outback, Outback Sport, STI | 2.5L H4, 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23727AA600
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA600
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    Subaru Impreza STI Cover Assembly ALTERNATOR RRR

    Part Number: 23727AA600
    $464.23 MSRP: $684.70
    You Save: $220.47 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator; Rear Housing
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2011 Subaru Impreza STI | 2.5i, Outback Sport | 2.5L H4
  • Subaru Impreza STI Alternator Case Kit - 23727AA530
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA530
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    Subaru Impreza STI Cover Assembly ALTERNATOR RRR

    Part Number: 23727AA530
    $464.23 MSRP: $684.70
    You Save: $220.47 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2011 Subaru Impreza STI | 2.5i, Outback Sport | 2.5L H4
  • Subaru Impreza STI Alternator Case Kit - 23727AA590
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA590
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    Subaru Impreza STI Cover Assembly ALTERNATOR Rear

    Part Number: 23727AA590
    $502.97 MSRP: $741.85
    You Save: $238.88 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator; Rear Housing
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2011-2012 Subaru Impreza STI | STI, STI Special Edition, STI Sport, WRX, WRX Sport | 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23727AA370
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA370
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    Subaru Impreza STI Rear Cover Assembly ALTERNATOR

    Part Number: 23727AA370
    $554.52 MSRP: $817.88
    You Save: $263.36 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator; Rear Housing
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2004-2010 Subaru Impreza STI | 2.5i, 25i, Outback, Outback Sport, STI | 2.5L H4, 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23727AA510
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA510
    View related parts

    Subaru Impreza STI Cover Assembly ALTERNATOR RRR

    Part Number: 23727AA510
    $583.79 MSRP: $861.05
    You Save: $277.26 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator; Rear Housing
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2011 Subaru Impreza STI | STI, STI Special Edition, STI Sport, WRX, WRX Sport | 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23727AA250
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA250
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    Subaru Impreza STI Cover Assembly ALTERNATOR

    Part Number: 23727AA250
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2005 Subaru Impreza STI | Outback, RS | 2.5L H4
  • Subaru Impreza STI Alternator Case Kit - 23718AA090
    Diagram for Subaru Impreza STI Alternator Case Kit - 23718AA090
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    Subaru Impreza STI ALTERNATOR Front Cover

    Part Number: 23718AA090
    Product Specifications
    • Other Name: Front Cover Assembly-Alternator
    • Position: Front
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2004-2005 Subaru Impreza STI | Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.5L H4
  • Subaru Impreza STI Alternator Case Kit - 23727AA390
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA390
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    Subaru Impreza STI Rear Cover Assembly ALTERNATOR

    Part Number: 23727AA390
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2006-2007 Subaru Impreza STI | STI, STI Limited, WRX, WRX TR | 2.5L H4 Turbo
  • Subaru Impreza STI Alternator Case Kit - 23727AA310
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA310
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    Subaru Impreza STI Rear Cover Assembly ALTERNATOR

    Part Number: 23727AA310
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2004-2005 Subaru Impreza STI | Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.5L H4
  • Subaru Impreza STI Alternator Case Kit - 23727AA350
    Diagram for Subaru Impreza STI Alternator Case Kit - 23727AA350
    View related parts

    Subaru Impreza STI Rear Cover Assembly ALTERNATOR

    Part Number: 23727AA350
    Product Specifications
    • Other Name: Rear Cover Assembly-Alternator; Rear Housing
    • Position: Rear
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2008-2010 Subaru Impreza STI | 2.5 GT, STI, WRX, WRX Sport, WRXSS | 2.5L H4 Turbo

Subaru Impreza STI Alternator Case Kit

The Subaru Impreza STI Alternator Case Kit provides the ultimate support for the charging system and keeps the voltage rock-solid even when the tachometer is pinned to the back roads. Tests on the Subaru rally stages show the kit can withstand the relentless vibration. The Alternator Case Kit is made of lightweight cast aluminum, which makes it compatible to create a two-piece shell that locks both rotor and stator in perfect alignment. The case features both front and rear bearings and positions the pulley fan such that airflow cools internal diodes. This feature provides a longer service life. Owners commend the manner in which this Alternator Case Kit fits directly to the earlier Impreza STI versions that still utilize a separate voltage regulator, while a revised Alternator Case Kit with built-in harness passages clips into the later Impreza STI editions whose Powertrain Control Module now governs voltage. Cross-generation compatibility is the name of the game. Every Alternator Case Kit comes with meticulous brush seating and a pre-installed rectifier for clean DC power to headlights, audio, and crucial engine functions. It eliminates flicker and hesitation while driving at night, which is a confidence sapper. The recent case kit for the alternator uses larger ventilation slots, which help decrease operating temperatures, increase efficiency, and protect against diode failure. These advantages will be enjoyed by track day regulars and street-tuned Impreza STI sedan owners alike. According to the factory specifications of Subaru, there is no need for modifications for installation. Furthermore, this swap can be done in a matter of minutes, which Subaru owners truly appreciate. On the other hand, collector-grade upgrades of Impreza STI utilize the component for reliability in show and go. The proven ability to endure the heat of motorsport competition has seen this item become well-regarded throughout the Subaru performance family. Trusted by the Subaru crews and fans of the Impreza STI, the Alternator Case Kit is a hit today.

Our website stands as the go-to online destination for OEM Subaru Impreza STI Alternator Case Kit. With complete lines of genuine Subaru Impreza STI Alternator Case Kit available at unbeatable market prices, we ensure top quality, reliability, and durability. Each part comes backed by the manufacturer's warranty, reinforcing your trust in our offerings.

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