Gates 36975 Accessory Drive Belt Idler Pulley

OE-Style Accessory Drive Pulley

The Gates DriveAlign Premium OE Pulley, part number 36975, is built for passenger cars and light trucks that use a smooth-backside accessory drive pulley. It is an OE Exact steel replacement designed to match factory fit and function in the belt drive system.

• OE Exact grade for factory-style fit and operation
• Steel construction for durable belt system service
• Smooth-backside pulley design with no grooves
• Includes pulley, bolt, and spacer
• Works as an idler pulley, tensioner pulley, or locked center tensioning pulley

Fitment Details

Compatible with Chevrolet Silverado 1500, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra 1500, GMC Yukon, GMC Yukon XL, Cadillac Escalade, and Cadillac Escalade ESV applications listed below. Fits 2020-2026 Chevrolet Silverado 1500, N/A; Fits 2025-2026 Chevrolet Suburban, N/A; Fits 2021-2023 Chevrolet Suburban, N/A; Fits 2025-2026 Chevrolet Tahoe, N/A; Fits 2021-2023 Chevrolet Tahoe, N/A; Fits 2020-2025 GMC Sierra 1500, N/A; Fits 2021-2025 GMC Yukon, N/A; Fits 2021-2025 GMC Yukon XL, N/A; Fits 2021-2024 Cadillac Escalade, N/A; Fits 2021-2024 Cadillac Escalade ESV, N/A; Fits 2022 Chevrolet Silverado 1500 LTD, N/A; Fits 2022 GMC Sierra 1500 Limited, N/A. Part number 36975 is a direct match for the listed applications and cross-references 55500388 for the same application.

Common Uses

• Replacing a worn or noisy accessory drive pulley
• Restoring proper belt tracking in the drive system
• Addressing pulley bearing wear that can affect belt operation
• Correcting belt drive issues tied to an idler or tensioning pulley

Installation Notes

Verify pulley style, diameter, width, and bearing bore before installation. Confirm the vehicle application against the fitment list and inspect the belt path, tensioner, and adjacent components for wear before reassembly. Use the included bolt and spacer only when they match the original setup.

Quality Assurance

Gates positions this DriveAlign Premium OE Pulley as an OE-quality, OE Exact replacement for belt drive service. Part number 36975 is engineered to meet factory-style fit and function for the listed Chevrolet, GMC, and Cadillac applications.