My Garage
Cart

Genuine Subaru WRX STI Alternator

Generator
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Vehicle by Model
Make
Model
Year
or
Select Vehicle by VIN
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

4 Alternators found

  • Diagram for Subaru WRX STI Alternator - 23700AA911
    View related parts

    Subaru WRX STI Alternator Assembly

    Part Number: 23700AA911
    $505.40 MSRP: $745.43
    You Save: $240.03 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Alternator Assy; Alternator
    • Replaces: 23700AA910
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2015-2020 Subaru WRX STI | Base, Limited, Premium | 2.0L H4
  • Diagram for Subaru WRX STI Alternator - 23700AA870
    View related parts

    Subaru WRX STI Alternator Assembly

    Part Number: 23700AA870
    $507.71 MSRP: $748.83
    You Save: $241.12 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Alternator Assy
    • Replaced by: 23700AA871
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2015 Subaru WRX STI | Base, Limited | 2.5L H4 Turbo
  • Subaru WRX STI Alternator - 23700AA871
    Diagram for Subaru WRX STI Alternator - 23700AA871
    View related parts

    Subaru WRX STI Alternator Assembly

    Part Number: 23700AA871
    $507.71 MSRP: $748.83
    You Save: $241.12 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Alternator Assy; Alternator
    • Replaces: 23700AA681, 23700AA870, 23700AA680
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2015-2020 Subaru WRX STI | Base, Limited, Premium, S209, Type RA | 2.5L H4 Turbo
  • Subaru WRX STI Alternator - 23700AA910
    Diagram for Subaru WRX STI Alternator - 23700AA910
    View related parts

    Subaru WRX STI Alternator Generator

    Part Number: 23700AA910
    $505.40 MSRP: $745.43
    You Save: $240.03 (33%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Alternator Assembly
    • Replaced by: 23700AA911
    • Warranty: This genuine part is guaranteed by Subaru's factory warranty.
    Fits the following Vehicles:
    • 2015 Subaru WRX STI | Base, Limited, Premium | 2.0L H4

Subaru WRX STI Alternator

The Alternator provides reliable electricity for every possible system on board, enhancing overall driving performance. The rotation of the WRX STI Alternator's pulley at the front is driven by the engine motion. The Alternator quickly converts that rotation into steady direct current that keeps the battery strong even as component loads grow. Designed for Subaru fans, this Alternator unit has acquired a cult following among WRX STI owners for not giving up in case track day abuse. A durable two-piece aluminum shell protects the stator windings, dual bearings, diodes, and smart voltage regulator, allowing the Subaru charge circuit to remain calm during demanding pulls or stop and go traffic. Because output adjusts instantly to load, headlights stay bright, audio stays crisp, and safety sensors stay alert, enhancing night driving confidence in any WRX STI trim from 2015 through the recent model year. The heat-fighting internal fans and heat sinking diodes ensure that the Alternator remains cool even during spirited climbs up the mountains. This is something that owners of the Subaru performance icon appreciate for its durability. The directly compatible mounting points align perfectly with factory brackets to ensure an easy installation on base, Limited, and special edition WRX STI models. Get your vehicle back on the road faster! The Alternator also connects easily with the electronic control network of the turbocharged 2.5-liter powerplant, enabling the Powertrain Control Module to adjust field current for peak efficiency. Routine checks show the Alternator to be holding proper voltage on a Subaru despite the years of service. Solid construction, precise regulation, and model spanning compatibility set the Subaru unit aside from many rivals. The Alternator is a major part to help defend electrical stability while supporting the high output personality of every WRX STI.

Our website stands as the go-to online destination for OEM Subaru WRX STI Alternator. With complete lines of genuine Subaru WRX STI Alternator 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.

Related Subaru WRX STI Parts