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Subaru WRX STI Accessory Drive Belts and Pulleys

This page brings together accessory drive belts and pulleys for the Subaru WRX STI, covering model years 2013 through 2021. The range centers on serpentine belts, along with related pulley components sized to fit this vehicle. Choose your model year above and this page keeps only the accessory drive belts and pulleys that fit your Subaru WRX STI. Each listing is matched to our vehicle fitment data before it appears here.

1 - 10 of 10 results

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Picture of Dorman Accessory Drive Belt Tensioner Assembly

Dorman Accessory Drive Belt Tensioner Assembly

35 reviews
Vehicle Specific
from $29
In Stock (10+)
Picture for manufacturer Dorman
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Best Seller Free Shipping
Picture of Gates Micro-V Serpentine Drive Belt

Gates Micro-V Serpentine Drive Belt

15 reviews
Vehicle Specific
from $5
In Stock (10+)
Picture for manufacturer Gates
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Best Seller Free Shipping
Picture of Bando OEM Quality Serpentine Belt

Bando OEM Quality Serpentine Belt

79 reviews
Vehicle Specific
from $4
In Stock (10+)
Picture for manufacturer Bando
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Free Shipping
Picture of Gates Stretch Fit Micro-V Serpentine Belt

Gates Stretch Fit Micro-V Serpentine Belt

61 reviews
Vehicle Specific
from $9
In Stock (10+)
Picture for manufacturer Gates
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Picture of Dayco V-Belt Fan Belt

Dayco V-Belt Fan Belt

41 reviews
Vehicle Specific
from $9
In Stock (10+)
Picture for manufacturer Dayco
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Picture of Four Seasons Accessory Drive Belt Idler Pulley

Four Seasons Accessory Drive Belt Idler Pulley

6 reviews
Vehicle Specific
from $11
In Stock (10+)
Picture for manufacturer Four Seasons
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Picture of ACDelco 4K317SF Serpentine Belt with Stretch Fit Technology

ACDelco 4K317SF Serpentine Belt with Stretch Fit Technology

58 reviews
Part: 4K317SF
Vehicle Specific
$39.58
In Stock (10+)
Picture for manufacturer ACDelco
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Picture of Dayco ELA Poly Rib Serpentine Belt

Dayco ELA Poly Rib Serpentine Belt

9 reviews
Vehicle Specific
from $8
3 left at this price
Picture for manufacturer Dayco
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Picture of GFB 2014 3-Piece Underdrive Pulley Kit - Lightweight Aluminum Crank, Alternator & Power Steering

GFB 2014 3-Piece Underdrive Pulley Kit - Lightweight Aluminum Crank, Alternator & Power Steering

5 reviews
Part: 2014
Vehicle Specific
$328.50
In Stock (10+)
Picture for manufacturer GFB - Go Fast Bits
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Picture of GFB 2009 Lightweight Aluminum Crankshaft Pulley for Subaru

GFB 2009 Lightweight Aluminum Crankshaft Pulley for Subaru

5 reviews
Part: 2009
Vehicle Specific
$161.10
In Stock (10)
Picture for manufacturer GFB - Go Fast Bits

What's here for your Subaru WRX STI

  • Serpentine belts in sizes matched to Subaru WRX STI applications
  • Drive belt pulleys and related system components

The widest selection of accessory drive belts and pulleys for the Subaru WRX STI comes from GFB - Go Fast Bits, Gates, Dayco, and Bando. 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.