Gates 36771 Accessory Drive Belt Idler Pulley - Grooved Pulley

OE-Style Idler Pulley for Accessory Drive Systems

The Gates DriveAlign Premium OE Pulley 36771 is an accessory drive belt idler pulley built for OE-quality fit in passenger cars and light trucks. It serves as a grooved pulley in the belt drive system and is specified for applications such as Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Camaro.

Gates DriveAlign Premium OE Pulley 36771 is engineered around OE comparison standards, with a thermoplastic pulley body, 6-groove V-ribbed contact surface, and a 70 mm outside diameter. The flanged pulley design and included dust shield, bolt, and spacer support a direct replacement approach for the original belt routing hardware.

• OE Exact comparison rating for factory-style fit and function
• Thermoplastic pulley construction
• 6-groove V-ribbed grooved contact surface
• 70 mm outside diameter and 26.2 mm width
• 17 mm bearing bore inside diameter
• Flanged pulley design for belt tracking support
• Contents: pulley, bolt, dust shield, spacer

DriveAlign Premium OE Pulley Line

The DriveAlign Premium OE Pulley line is Gates’ OE-focused pulley range for accessory drive belt systems. This product line covers idler pulley applications that can function as a locked center tensioning pulley, an automatic belt tensioner pulley, or a standard idler pulley depending on the vehicle design. For shoppers searching by application, this part number 36771 is a direct OE-style replacement for select Chevrolet Silverado 1500 and GMC Sierra 1500 models, along with other listed GM applications.

Vehicle Fitment

• Fits 2014-2018 Chevrolet Silverado 1500, Grooved Pulley
• Fits 2018 Chevrolet Tahoe, Grooved Pulley
• Fits 2014-2018 GMC Sierra 1500, Grooved Pulley
• Fits 2014-2017 Chevrolet Caprice, N/A
• Fits 2017 Chevrolet Silverado 2500, Grooved Pulley
• Fits 2014-2017 Chevrolet SS, Grooved Pulley
• Fits 2014-2016 Chevrolet Caprice, Grooved Pulley
• Fits 2012-2015 Chevrolet Camaro, Grooved Pulley

Common Replacement Uses

• Replacing a worn or noisy accessory drive belt idler pulley
• Correcting belt tracking issues caused by pulley wear
• Addressing belt squeal from a rough or failing bearing
• Restoring proper belt routing on GM accessory drive systems
• Replacing an OE-style grooved pulley on Silverado 1500, Sierra 1500, or Camaro applications

Installation Notes and Tips

Verify pulley diameter, groove count, and bearing bore before installation to confirm the correct accessory drive belt system match. Compare the original pulley, spacer, and dust shield arrangement to the vehicle’s existing belt routing layout, and inspect the belt for wear before reassembly. This part cross-references Continental 50065 and Litens 900623A for the same application.

Quality Assurance

Gates positions this DriveAlign pulley as an OE-quality replacement with an OE Exact comparison rating. The design and included components are intended to match factory-style pulley fitment and belt contact geometry for the listed Chevrolet and GMC applications.