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Subaru WRX STI Alternators and Generators

This page brings together alternators and generators for the Subaru WRX STI covering model years 2013–2018, with both OE replacement and remanufactured options available. Pick your Subaru WRX STI's year above to narrow the list to alternators and generators with confirmed fitment. Every part shown is checked against our vehicle data.

1 - 4 of 4 results

Best Seller Free Shipping
Picture of Remy Alternator

Remy Alternator

11 reviews
Vehicle Specific
from $76
In Stock (10+)
Picture for manufacturer Remy
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Best Seller Free Shipping
Picture of Quality-Built Remanufactured Alternator

Quality-Built Remanufactured Alternator

9 reviews
Vehicle Specific
from $7
In Stock (10+)
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Best Seller Free Shipping
Picture of Dorman Alternator Decoupler Pulley

Dorman Alternator Decoupler Pulley

75 reviews
Vehicle Specific
from $25
In Stock (10+)
Picture for manufacturer Dorman
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Free Shipping
Picture of Remy 11177 Premium Remanufactured Alternator 110A 12V Internal Fan

Remy 11177 Premium Remanufactured Alternator 110A 12V Internal Fan

66 reviews
Part: 11177
Vehicle Specific
$231.14
In Stock (5)
Picture for manufacturer Remy

What's here for your Subaru WRX STI

  • Alternators — including OE replacement and remanufactured units suited for 2013–2018 fitment

The widest selection here comes from Remy, Dorman, Quality-Built, and Gates, giving you a range of options whether you prefer a remanufactured unit or a direct OE-style replacement. Other categories Subaru WRX STI owners shop for: Subaru WRX STI Springs and Suspension Parts, Subaru WRX STI Shocks and Struts and Subaru WRX STI Manual Transmission Parts, or browse all Subaru WRX STI parts and accessories.