Gates 36957 Accessory Drive Belt Idler Pulley

OE-Style Idler Pulley Replacement

Gates DriveAlign Premium OE Pulley 36957 is an OE-quality accessory drive belt idler pulley for passenger cars and light trucks. It is built for applications that use a locked center tensioning pulley, an automatic belt tensioner pulley, or an idler pulley.

This part fits Chevrolet Colorado and GMC Canyon applications, along with Chevrolet Express and GMC Savana vans that use a smooth pulley configuration. The steel construction and OE Performance grade support consistent belt tracking in accessory drive systems.

Key Features

• Steel pulley construction for durable belt system service.
• Smooth/backside pulley design with no grooves.
• OE Performance grade for OE-style fit and function.
• Includes pulley, bolt, and dust shield.
• DriveAlign Premium OE Pulley line for accessory drive belt system service.

Fitment Details

Fits 2016-2022 Chevrolet Colorado, lower.

Fits 2016-2022 GMC Canyon, lower.

Fits 2017-2022 Chevrolet Express 2500, smooth pulley.

Fits 2017-2022 Chevrolet Express 3500, smooth pulley.

Fits 2017-2018 GMC Savana 2500, smooth pulley.

Fits 2017-2018 GMC Savana 3500, smooth pulley.

Fits 2019 GMC Savana 2500, serpentine.

Fits 2019 GMC Savana 3500, serpentine.

Fits 2020 GMC Savana 2500, accessory drive.

Fits 2020 GMC Savana 3500, accessory drive.

Fits 2021-2022 GMC Savana 2500, smooth pulley.

Fits 2021-2022 GMC Savana 3500, smooth pulley.

What It Is Used For

• Replacing a worn or noisy accessory drive belt idler pulley.
• Restoring proper belt routing and tensioning behavior.
• Addressing belt squeal caused by pulley wear or bearing fatigue.
• Correcting belt tracking issues in smooth pulley applications.

Installation Notes

Verify pulley style, position, and belt system configuration before installation. Match the OE-style smooth pulley application and confirm the listed vehicle fitment for your exact model year and configuration.

Quality Assurance

Gates DriveAlign components are engineered as OE-quality replacement parts for accessory drive systems. Part number 36957 is cross-referenced to Four Seasons 36957 for the same application.