Buy 2020 Chevrolet Express 3500 Serpentine Belt. 2018-25, 105 amp. Express 2500; 4.3L; 105A. Express Amp, Drive, Having - OEM Chevrolet Part # 12645868

Belt - Generator and Air Conditioning (A/C) Compressor. Serpentine Belt.
105 Amp Alternator. Serpentine Belt.

Serpentine Belt

Fits Express 2500, Express 3500, Savana 2500, Savana 3500

2018-25, 105 amp. Express 2500; 4.3L; 105A. Express 3500; 4.3L; 105A. Express, Savana; 4.3L; w/AC Compressor; 105 Amp Alt. Savana 2500; 4.3L; 105A. Savana 3500; 4.3L; 105A.
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 2020 Chevrolet Express 3500 running at its best.