Gates 91031 Belt Installation Tool
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Gates
Tool/Accessory

Gates 91031 Belt Installation Tool

Brand Gates 91031
Description Micro-V Stretch Fit Installation Tool
Product line Tool/Accessory
Fits Subaru and Mazda · 36 vehicles

Stretch Fit tool. Helps install belts without damage from improper tools.

Micro-V design. Made for Micro-V Stretch Fit belt installation.

Gates installation tool for engine service applications.

Cross-references Dayco 93878, Dorman - HELP 91031 and NBH517 for the same application. See all 3.

$79.60Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $79.60
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Micro-V Stretch Fit Belt Tool for Subaru and Mazda

The Gates 91031 Micro-V Stretch Fit Installation Tool is made for installing Stretch Fit belts without the damage that can occur when the wrong tool is used. It supports clean belt installation on select Subaru WRX, WRX STI, Impreza, Forester, and Outback applications, as well as Mazda 3 and Mazda 5 models.

Key Features

  • Micro-V Stretch Fit Installation Tool for controlled belt installation
  • Helps reduce the risk of belt damage during installation
  • Built for Stretch Fit belt service on select Subaru and Mazda vehicles
  • Gates part number 91031 for direct reference
  • Cross-references Dayco 93878 and Dorman - HELP 91031 for the same application

Product Details

Gates 91031 is a belt installation tool for Micro-V Stretch Fit belts. Gates provides this tool because Stretch Fit belts can be damaged when the correct installation method and tooling are not used. This tool is relevant for service work on 2013-2017 Subaru WRX STI, 2012-2016 Subaru WRX, 2008-2014 Subaru Impreza, 2009-2013 Subaru Forester, 2008-2011 Subaru Outback, 2004-2009 Mazda 3, and 2006-2009 Mazda 5. For technicians searching for a Subaru WRX belt installation tool or a Mazda 3 Stretch Fit belt tool, part number 91031 is the direct match.

What It Helps Address

  • Stretch Fit belt damage during installation
  • Improper belt seating on the pulley system
  • Service delays caused by using the wrong installation method
  • Repeat belt service from incorrect installation handling
  • Fitment-specific service needs on Subaru WRX STI, Subaru Impreza, and Mazda 3 applications

Installation Notes and Tips

Use this tool only for Stretch Fit belt installation procedures on the listed applications. Follow the vehicle service procedure for the exact engine and belt routing before installation. Confirm the application by year, make, and model before starting service, especially on Subaru WRX, Subaru Forester, and Mazda 5 vehicles.

Quality Assurance

Gates supplies installation tools specifically for Stretch Fit belt service, with the goal of helping prevent belt damage when the proper tool is used. Part number 91031 is the Gates Micro-V Stretch Fit Installation Tool.

Related reading

This part fits 36 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2017SubaruWRX STI2.5LH4GASN/ATool/Accessory
2016SubaruWRX2.5LH4GASN/ATool/Accessory
2016SubaruWRX STI2.5LH4GASN/ATool/Accessory
2015SubaruWRX2.5LH4GASN/ATool/Accessory
2015SubaruWRX STI2.5LH4GASN/ATool/Accessory
2014SubaruImpreza2.5LH4GASN/ATool/Accessory
2014SubaruWRX2.5LH4GASN/ATool/Accessory
2014SubaruWRX STI2.5LH4GASN/ATool/Accessory
2013SubaruForester2.5LH4GASN/ATool/Accessory
2013SubaruImpreza2.5LH4GASN/ATool/Accessory
2013SubaruWRX2.5LH4GASN/ATool/Accessory
2013SubaruWRX STI2.5LH4GASN/ATool/Accessory
2012SubaruForester2.5LH4GASN/ATool/Accessory
2012SubaruImpreza2.5LH4GASN/ATool/Accessory
2012SubaruWRX2.5LH4GASN/ATool/Accessory
2011SubaruForester2.5LH4GASN/ATool/Accessory
2011SubaruImpreza2.5LH4GASN/ATool/Accessory
2011SubaruOutback2.5LH4GASN/ATool/Accessory
2010SubaruForester2.5LH4GASN/ATool/Accessory
2010SubaruImpreza2.5LH4GASN/ATool/Accessory
2010SubaruOutback2.5LH4GASN/ATool/Accessory
2009Mazda32.3LL4GASN/ATool/Accessory
2009Mazda52.3LL4GASN/ATool/Accessory
2009SubaruForester2.5LH4GASN/ATool/Accessory
2009SubaruImpreza2.5LH4GASN/ATool/Accessory
2009SubaruOutback2.5LH4GASN/ATool/Accessory
2008Mazda32.3LL4GASN/ATool/Accessory
2008Mazda52.3LL4GASN/ATool/Accessory
2008SubaruImpreza2.5LH4GASN/ATool/Accessory
2008SubaruOutback2.5LH4GASN/ATool/Accessory
2007Mazda32.3LL4GASN/ATool/Accessory
2007Mazda52.3LL4GASN/ATool/Accessory
2006Mazda32.3LL4GASN/ATool/Accessory
2006Mazda52.3LL4GASN/ATool/Accessory
2005Mazda32.3LL4GASN/ATool/Accessory
2004Mazda32.3LL4GASN/ATool/Accessory
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 93878Dorman - HELP — 91031NBH517