Gates 91088 Belt Installation Tool
OE Quality 60-Day Returns
Gates
Tool/Accessory

Gates 91088 Belt Installation Tool

Brand Gates 91088
Description 91088 Stretch Fit Tool
Product line Tool/Accessory
Fits Cadillac, Chevrolet, and GMC · 257 vehicles

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

Installation tool. Made for Stretch Fit belt service.

Cross-references EN-51767 and NBH521 for the same application. See all 2.

$182.75Free 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 $182.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Belt Installation Tool options

Gates 91088 Stretch Fit Tool

The Gates 91088 Stretch Fit Tool is a belt installation tool for Stretch Fit belt service. Gates notes that Stretch Fit belts can be damaged when the wrong tool is used, making the correct installer important for clean, controlled belt service on supported GM applications.

Key Features

  • Part number 91088 Stretch Fit Tool from Gates Tool/Accessory line
  • Built for Stretch Fit belt installation service
  • Helps reduce the risk of belt damage during installation
  • Cross-references EN-51767 and NBH521 for the same application
  • Fits a wide range of Chevrolet, GMC, Cadillac, and Corvette applications

Product Details

Gates 91088 is a dedicated belt installation tool for Stretch Fit belt service, not a general-purpose shop tool. It is used on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac CTS, and Chevrolet Corvette, along with additional GM trucks, SUVs, and vans listed in the fitment data. For technicians working on Stretch Fit belt systems, using the correct tool helps support proper belt handling during service.

This part cross-references EN-51767 and NBH521 for the same application.

What It Helps Solve

  • Stretch Fit belt damage caused by improper installation methods
  • Difficulty positioning the belt during service
  • Inconsistent belt installation on GM engine service jobs
  • Added risk of rework after belt service
  • Service delays on Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and similar applications

Installation Notes and Tips

  • Use only on applications listed in the fitment data for this tool.
  • Follow the vehicle service procedure for the specific engine and belt system.
  • Verify the belt routing and tool engagement before completing installation.
  • Fits 2020-2024 Chevrolet Silverado 2500 HD, N/A; 2020-2024 Chevrolet Silverado 3500 HD, N/A; 2024 GMC Sierra 2500 HD, N/A; 2020-2022 GMC Sierra 2500 HD, N/A; 2024 GMC Sierra 3500 HD, N/A; 2020-2022 GMC Sierra 3500 HD, N/A; 2015-2022 Cadillac Escalade, N/A; 2015-2022 Cadillac Escalade ESV, N/A; 2022 Chevrolet Cheyenne Nueva, N/A; 2020-2022 Chevrolet Corvette, N/A; 2014-2022 Chevrolet Silverado 1500, N/A; 2022 Chevrolet Silverado 1500 LTD, N/A; 2022 Chevrolet Silverado 1500 Nueva, N/A; 2014-2022 GMC Sierra, N/A; 2014-2022 GMC Sierra 1500, N/A; 2022 GMC Sierra 1500 Limited, N/A; 2019 GMC Sierra 1500 Limited, N/A; 2022 GMC Sierra Nueva, N/A; 2015-2021 Chevrolet Tahoe, N/A; 2018-2021 GMC Savana 2500, N/A; 2018-2021 GMC Savana 3500, N/A; 2015-2021 GMC Yukon, N/A; 2015-2021 GMC Yukon XL, N/A; 2018-2020 Chevrolet Express 2500, N/A; 2018-2020 Chevrolet Express 3500, N/A; 2009-2019 Cadillac CTS, N/A; 2019 Chevrolet Silverado 1500 LD, N/A; 2018 Chevrolet Cheyenne, N/A; 2014-2018 Chevrolet Silverado 2500, N/A; 2016-2017 Chevrolet Trax, N/A.

Quality Assurance

Gates supplies installation tools specifically for Stretch Fit belt service, with the goal of helping technicians avoid belt damage from incorrect tool use. Part number 91088 is built for the listed GM vehicle applications and supported by Gates product identification for service accuracy.

Related reading

This part fits 257 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2024ChevroletSilverado 2500 HD6.6LV8FLEXN/ATool/Accessory
2024ChevroletSilverado 3500 HD6.6LV8FLEXN/ATool/Accessory
2024GMCSierra 2500 HD6.6LV8FLEXN/ATool/Accessory
2024GMCSierra 3500 HD6.6LV8FLEXN/ATool/Accessory
2023ChevroletSilverado 2500 HD6.6LV8FLEXN/ATool/Accessory
2023ChevroletSilverado 3500 HD6.6LV8FLEXN/ATool/Accessory
2022CadillacEscalade6.2LV8GASN/ATool/Accessory
2022CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2022ChevroletCheyenne Nueva5.3LV8GASN/ATool/Accessory
2022ChevroletCorvette6.2LV8GASN/ATool/Accessory
2022ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2022ChevroletSilverado 1500 LTD5.3LV8FLEXN/ATool/Accessory
2022ChevroletSilverado 1500 Nueva5.3LV8GASN/ATool/Accessory
2022ChevroletSilverado 2500 HD6.6LV8FLEXN/ATool/Accessory
2022ChevroletSilverado 3500 HD6.6LV8FLEXN/ATool/Accessory
2022GMCSierra5.3LV8GASN/ATool/Accessory
2022GMCSierra 15005.3LV8GASN/ATool/Accessory
2022GMCSierra 1500 Limited5.3LV8FLEXN/ATool/Accessory
2022GMCSierra 2500 HD6.6LV8FLEXN/ATool/Accessory
2022GMCSierra 3500 HD6.6LV8FLEXN/ATool/Accessory
2022GMCSierra Nueva5.3LV8GASN/ATool/Accessory
2021CadillacEscalade6.2LV8GASN/ATool/Accessory
2021CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2021ChevroletCorvette6.2LV8GASN/ATool/Accessory
2021ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2021ChevroletSilverado 2500 HD6.6LV8FLEXN/ATool/Accessory
2021ChevroletSilverado 3500 HD6.6LV8FLEXN/ATool/Accessory
2021ChevroletTahoe5.3LV8GASN/ATool/Accessory
2021GMCSavana 25004.3LV6FLEXN/ATool/Accessory
2021GMCSavana 25006.6LV8GASN/ATool/Accessory
2021GMCSavana 35004.3LV6FLEXN/ATool/Accessory
2021GMCSavana 35006.6LV8GASN/ATool/Accessory
2021GMCSierra5.3LV8GASN/ATool/Accessory
2021GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2021GMCSierra 2500 HD6.6LV8FLEXN/ATool/Accessory
2021GMCSierra 3500 HD6.6LV8FLEXN/ATool/Accessory
2021GMCYukon5.3LV8GASN/ATool/Accessory
2021GMCYukon XL5.3LV8GASN/ATool/Accessory
2020CadillacEscalade6.2LV8FLEXN/ATool/Accessory
2020CadillacEscalade6.2LV8GASN/ATool/Accessory
2020CadillacEscalade ESV6.2LV8FLEXN/ATool/Accessory
2020CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2020ChevroletCorvette6.2LV8GASN/ATool/Accessory
2020ChevroletExpress 25004.3LV6FLEXN/ATool/Accessory
2020ChevroletExpress 25004.3LV6GASN/ATool/Accessory
2020ChevroletExpress 35004.3LV6FLEXN/ATool/Accessory
2020ChevroletExpress 35004.3LV6GASN/ATool/Accessory
2020ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2020ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2020ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2020ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2020ChevroletSilverado 2500 HD6.6LV8GASN/ATool/Accessory
2020ChevroletSilverado 3500 HD6.6LV8GASN/ATool/Accessory
2020ChevroletTahoe5.3LV8FLEXN/ATool/Accessory
2020ChevroletTahoe5.3LV8GASN/ATool/Accessory
2020ChevroletTahoe6.2LV8FLEXN/ATool/Accessory
2020ChevroletTahoe6.2LV8GASN/ATool/Accessory
2020GMCSavana 25004.3LV6FLEXN/ATool/Accessory
2020GMCSavana 25004.3LV6GASN/ATool/Accessory
2020GMCSavana 35004.3LV6FLEXN/ATool/Accessory
2020GMCSavana 35004.3LV6GASN/ATool/Accessory
2020GMCSierra5.3LV8GASN/ATool/Accessory
2020GMCSierra6.2LV8GASN/ATool/Accessory
2020GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2020GMCSierra 15005.3LV8GASN/ATool/Accessory
2020GMCSierra 15006.2LV8GASN/ATool/Accessory
2020GMCSierra 2500 HD6.6LV8GASN/ATool/Accessory
2020GMCSierra 3500 HD6.6LV8GASN/ATool/Accessory
2020GMCYukon6.2LV8FLEXN/ATool/Accessory
2020GMCYukon6.2LV8GASN/ATool/Accessory
2020GMCYukon XL6.2LV8FLEXN/ATool/Accessory
2020GMCYukon XL6.2LV8GASN/ATool/Accessory
2019CadillacCTS6.2LV8GASN/ATool/Accessory
2019CadillacEscalade6.2LV8FLEXN/ATool/Accessory
2019CadillacEscalade6.2LV8GASN/ATool/Accessory
2019CadillacEscalade ESV6.2LV8FLEXN/ATool/Accessory
2019CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2019ChevroletExpress 25004.3LV6FLEXN/ATool/Accessory
2019ChevroletExpress 25004.3LV6GASN/ATool/Accessory
2019ChevroletExpress 35004.3LV6FLEXN/ATool/Accessory
2019ChevroletExpress 35004.3LV6GASN/ATool/Accessory
2019ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2019ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2019ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2019ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2019ChevroletSilverado 1500 LD5.3LV8FLEXN/ATool/Accessory
2019ChevroletSilverado 1500 LD5.3LV8GASN/ATool/Accessory
2019ChevroletTahoe5.3LV8FLEXN/ATool/Accessory
2019ChevroletTahoe5.3LV8GASN/ATool/Accessory
2019ChevroletTahoe6.2LV8FLEXN/ATool/Accessory
2019ChevroletTahoe6.2LV8GASN/ATool/Accessory
2019GMCSavana 25004.3LV6FLEXN/ATool/Accessory
2019GMCSavana 25004.3LV6GASN/ATool/Accessory
2019GMCSavana 35004.3LV6FLEXN/ATool/Accessory
2019GMCSavana 35004.3LV6GASN/ATool/Accessory
2019GMCSierra5.3LV8GASN/ATool/Accessory
2019GMCSierra6.2LV8GASN/ATool/Accessory
2019GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2019GMCSierra 15005.3LV8GASN/ATool/Accessory
2019GMCSierra 15006.2LV8GASN/ATool/Accessory
2019GMCSierra 1500 Limited5.3LV8FLEXN/ATool/Accessory
2019GMCSierra 1500 Limited5.3LV8GASN/ATool/Accessory
2019GMCYukon5.3LV8FLEXN/ATool/Accessory
2019GMCYukon5.3LV8GASN/ATool/Accessory
2019GMCYukon6.2LV8FLEXN/ATool/Accessory
2019GMCYukon6.2LV8GASN/ATool/Accessory
2019GMCYukon XL5.3LV8FLEXN/ATool/Accessory
2019GMCYukon XL5.3LV8GASN/ATool/Accessory
2019GMCYukon XL6.2LV8FLEXN/ATool/Accessory
2019GMCYukon XL6.2LV8GASN/ATool/Accessory
2018CadillacCTS6.2LV8GASN/ATool/Accessory
2018CadillacEscalade6.2LV8FLEXN/ATool/Accessory
2018CadillacEscalade6.2LV8GASN/ATool/Accessory
2018CadillacEscalade ESV6.2LV8FLEXN/ATool/Accessory
2018CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2018ChevroletCheyenne5.3LV8GASN/ATool/Accessory
2018ChevroletCheyenne6.2LV8GASN/ATool/Accessory
2018ChevroletExpress 25004.3LV6FLEXN/ATool/Accessory
2018ChevroletExpress 25004.3LV6GASN/ATool/Accessory
2018ChevroletExpress 35004.3LV6FLEXN/ATool/Accessory
2018ChevroletExpress 35004.3LV6GASN/ATool/Accessory
2018ChevroletSilverado 15004.3LV6FLEXN/ATool/Accessory
2018ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2018ChevroletSilverado 15005.3LV8ELECTRIC/GASN/ATool/Accessory
2018ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2018ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2018ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2018ChevroletSilverado 25005.3LV8FLEXN/ATool/Accessory
2018ChevroletSilverado 25005.3LV8GASN/ATool/Accessory
2018ChevroletTahoe5.3LV8FLEXN/ATool/Accessory
2018ChevroletTahoe5.3LV8GASN/ATool/Accessory
2018ChevroletTahoe6.2LV8FLEXN/ATool/Accessory
2018ChevroletTahoe6.2LV8GASN/ATool/Accessory
2018GMCSavana 25004.3LV6FLEXN/ATool/Accessory
2018GMCSavana 25004.3LV6GASN/ATool/Accessory
2018GMCSavana 35004.3LV6FLEXN/ATool/Accessory
2018GMCSavana 35004.3LV6GASN/ATool/Accessory
2018GMCSierra5.3LV8FLEXN/ATool/Accessory
2018GMCSierra6.2LV8GASN/ATool/Accessory
2018GMCSierra 15004.3LV6FLEXN/ATool/Accessory
2018GMCSierra 15005.3LV8ELECTRIC/GASN/ATool/Accessory
2018GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2018GMCSierra 15005.3LV8GASN/ATool/Accessory
2018GMCSierra 15006.2LV8GASN/ATool/Accessory
2018GMCYukon5.3LV8FLEXN/ATool/Accessory
2018GMCYukon5.3LV8GASN/ATool/Accessory
2018GMCYukon6.2LV8FLEXN/ATool/Accessory
2018GMCYukon6.2LV8GASN/ATool/Accessory
2018GMCYukon XL5.3LV8FLEXN/ATool/Accessory
2018GMCYukon XL5.3LV8GASN/ATool/Accessory
2018GMCYukon XL6.2LV8FLEXN/ATool/Accessory
2018GMCYukon XL6.2LV8GASN/ATool/Accessory
2017CadillacCTS6.2LV8GASN/ATool/Accessory
2017CadillacEscalade6.2LV8FLEXN/ATool/Accessory
2017CadillacEscalade6.2LV8GASN/ATool/Accessory
2017CadillacEscalade ESV6.2LV8FLEXN/ATool/Accessory
2017CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2017ChevroletSilverado 15004.3LV6FLEXN/ATool/Accessory
2017ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2017ChevroletSilverado 15005.3LV8ELECTRIC/GASN/ATool/Accessory
2017ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2017ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2017ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2017ChevroletSilverado 25004.3LV6GASN/ATool/Accessory
2017ChevroletSilverado 25005.3LV8FLEXN/ATool/Accessory
2017ChevroletSilverado 25005.3LV8GASN/ATool/Accessory
2017ChevroletTahoe5.3LV8FLEXN/ATool/Accessory
2017ChevroletTahoe5.3LV8GASN/ATool/Accessory
2017ChevroletTrax1.8LL4GASN/ATool/Accessory
2017GMCSierra5.3LV8FLEXN/ATool/Accessory
2017GMCSierra6.2LV8GASN/ATool/Accessory
2017GMCSierra 15004.3LV6FLEXN/ATool/Accessory
2017GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2017GMCSierra 15005.3LV8GASN/ATool/Accessory
2017GMCSierra 15006.2LV8GASN/ATool/Accessory
2017GMCYukon5.3LV8FLEXN/ATool/Accessory
2017GMCYukon5.3LV8GASN/ATool/Accessory
2017GMCYukon6.2LV8FLEXN/ATool/Accessory
2017GMCYukon6.2LV8GASN/ATool/Accessory
2017GMCYukon XL5.3LV8FLEXN/ATool/Accessory
2017GMCYukon XL5.3LV8GASN/ATool/Accessory
2017GMCYukon XL6.2LV8FLEXN/ATool/Accessory
2017GMCYukon XL6.2LV8GASN/ATool/Accessory
2016CadillacCTS6.2LV8GASN/ATool/Accessory
2016CadillacEscalade6.2LV8FLEXN/ATool/Accessory
2016CadillacEscalade6.2LV8GASN/ATool/Accessory
2016CadillacEscalade ESV6.2LV8FLEXN/ATool/Accessory
2016CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2016ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2016ChevroletSilverado 15004.3LV6FLEXN/ATool/Accessory
2016ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2016ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2016ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2016ChevroletSilverado 25005.3LV8FLEXN/ATool/Accessory
2016ChevroletSilverado 25005.3LV8GASN/ATool/Accessory
2016ChevroletTahoe5.3LV8FLEXN/ATool/Accessory
2016ChevroletTahoe5.3LV8GASN/ATool/Accessory
2016ChevroletTrax1.8LL4GASN/ATool/Accessory
2016GMCSierra5.3LV8FLEXN/ATool/Accessory
2016GMCSierra5.3LV8GASN/ATool/Accessory
2016GMCSierra6.2LV8FLEXN/ATool/Accessory
2016GMCSierra6.2LV8GASN/ATool/Accessory
2016GMCSierra 15004.3LV6FLEXN/ATool/Accessory
2016GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2016GMCSierra 15005.3LV8GASN/ATool/Accessory
2016GMCSierra 15006.2LV8GASN/ATool/Accessory
2016GMCYukon5.3LV8FLEXN/ATool/Accessory
2016GMCYukon5.3LV8GASN/ATool/Accessory
2016GMCYukon6.2LV8FLEXN/ATool/Accessory
2016GMCYukon6.2LV8GASN/ATool/Accessory
2016GMCYukon XL5.3LV8FLEXN/ATool/Accessory
2016GMCYukon XL5.3LV8GASN/ATool/Accessory
2016GMCYukon XL6.2LV8FLEXN/ATool/Accessory
2016GMCYukon XL6.2LV8GASN/ATool/Accessory
2015CadillacCTS6.2LV8GASN/ATool/Accessory
2015CadillacEscalade6.2LV8FLEXN/ATool/Accessory
2015CadillacEscalade6.2LV8GASN/ATool/Accessory
2015CadillacEscalade ESV6.2LV8FLEXN/ATool/Accessory
2015CadillacEscalade ESV6.2LV8GASN/ATool/Accessory
2015ChevroletSilverado 15004.3LV6FLEXN/ATool/Accessory
2015ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2015ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2015ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2015ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2015ChevroletSilverado 25005.3LV8FLEXN/ATool/Accessory
2015ChevroletSilverado 25005.3LV8GASN/ATool/Accessory
2015ChevroletTahoe5.3LV8FLEXN/ATool/Accessory
2015ChevroletTahoe5.3LV8GASN/ATool/Accessory
2015GMCSierra5.3LV8FLEXN/ATool/Accessory
2015GMCSierra5.3LV8GASN/ATool/Accessory
2015GMCSierra6.2LV8FLEXN/ATool/Accessory
2015GMCSierra6.2LV8GASN/ATool/Accessory
2015GMCSierra 15004.3LV6FLEXN/ATool/Accessory
2015GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2015GMCSierra 15005.3LV8GASN/ATool/Accessory
2015GMCSierra 15006.2LV8GASN/ATool/Accessory
2015GMCYukon5.3LV8FLEXN/ATool/Accessory
2015GMCYukon6.2LV8FLEXN/ATool/Accessory
2015GMCYukon6.2LV8GASN/ATool/Accessory
2015GMCYukon XL5.3LV8FLEXN/ATool/Accessory
2015GMCYukon XL6.2LV8FLEXN/ATool/Accessory
2014CadillacCTS6.2LV8GASN/ATool/Accessory
2014ChevroletSilverado 15004.3LV6FLEXN/ATool/Accessory
2014ChevroletSilverado 15004.3LV6GASN/ATool/Accessory
2014ChevroletSilverado 15005.3LV8FLEXN/ATool/Accessory
2014ChevroletSilverado 15005.3LV8GASN/ATool/Accessory
2014ChevroletSilverado 15006.2LV8GASN/ATool/Accessory
2014ChevroletSilverado 25005.3LV8FLEXN/ATool/Accessory
2014ChevroletSilverado 25005.3LV8GASN/ATool/Accessory
2014GMCSierra5.3LV8FLEXN/ATool/Accessory
2014GMCSierra 15004.3LV6FLEXN/ATool/Accessory
2014GMCSierra 15005.3LV8FLEXN/ATool/Accessory
2013CadillacCTS6.2LV8GASN/ATool/Accessory
2012CadillacCTS6.2LV8GASN/ATool/Accessory
2011CadillacCTS6.2LV8GASN/ATool/Accessory
2010CadillacCTS6.2LV8GASN/ATool/Accessory
2009CadillacCTS6.2LV8GASN/ATool/Accessory
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
EN-51767NBH521