Shop OEM GENERAL MOTORS Part # 12576745 (12569437). Accessory Drive Belt. 8.1 liter. 8.1 LITER GAS. 8.1L. All Models; 8.1L; AC. Drive Belt - Repair or Replace A failing drive belt could

Belt. AIR CONDITIONING (A/C) COMPRESSOR. Accessory Drive. Serpentine.
A component of the external engine that transfers power to accessory pulleys by rotation. Routing:Crk,Tens,Comp.

Accessory Drive Belt

Fits Avalanche 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado, Suburban 2500, Yukon XL 2500

8.1 liter. 8.1 LITER GAS. 8.1L. All Models; 8.1L; 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.