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Fan belt. Serpentine Belt. Exc.Air Cond. Order engine drive belts by year & engine type. Serpentine Belt. Serpentine Belt
7.4 liter, w/o AC. GAS ENGINE, 7.4 liter w/o AC, w/o AIR injection. Drive Belt - Repair or ReplaceA 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.
Mangino Buick GMC
1484 Saratoga Rd, Ballston Spa, NY, 12020
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