Buy 2003 Chevrolet Express 3500 Serpentine Belt. 6.6 LITER TURBO DIESEL, 105 amp, w/o dual. All Models Amp, Drive, Dual, Alt - OEM Chevrolet Part # 97300653

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

Serpentine Belt

Fits Sierra 2500 HD, Sierra 3500, Silverado

6.6 LITER TURBO DIESEL, 105 amp, w/o dual. All Models; 6.6L; w/AC; 105 Amp Alt; w/o Dual Alt; All.
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 2003 Chevrolet Express 3500 running at its best.