Buy OEM GENERAL MOTORS Part # 12576446. Accessory Drive Belt. 5.3 & 6.0 LITER. 5.3 LITER. All Models; 5.3L; Secondary (AC). All Models; 6.0L; Secondary (AC). SSR; AC. Drive Belt

Belt. Air Conditioning (A/C) Compressor. Accessory Drive. Serpentine.
925mm. A component of the external engine that transfers power to Accessory pulleys by rotation. Routing:Crk,Tens,Comp.

Accessory Drive Belt

Fits Envoy, Envoy XL, Envoy XUV, Rainier, SSR , Trailblazer, Trailblazer EXT

5.3 & 6.0 LITER. 5.3 LITER. All Models; 5.3L; Secondary (AC). All Models; 6.0L; Secondary (AC). SSR; AC.
Drive Belt - Repair or Replace
A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Consider having having your drive belt inspected or replaced to keep your running at its best.