Shop OEM GENERAL MOTORS Part # 98035628 (97300656). Serpentine Belt. 6.6 LITER DIESEL, w/o dual alternator. 6.6 LITER TURBO DIESEL, 145 amp. All Models; 6.6L; w/AC; 130 Amp Alt; California

Belt, Fan. Serpentine Belt.
Serpentine Belt. Single Alternator. Water Pump, Alternator, Air Conditioning and Power Steering.

Serpentine Belt

Fits Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, w/o dual alternator. 6.6 LITER TURBO DIESEL, 145 amp. All Models; 6.6L; w/AC; 130 Amp Alt; California. All Models; 6.6L; w/AC; 130 Amp Alt; Federal; Tier 1 Emission; LEV Emission. All Models; 6.6L; w/AC; 145 Amp Alt; All. All Models; 6.6L; w/AC; 145 Amp Alt; California. All Models; 6.6L; w/AC; 145 Amp Alt; Federal; Tier 1 Emission; LEV Emission. Silverado, Sierra; 6.6L; Single Alternator.
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.