how much does it cost to replace a serpentine belt
1 Hiring a mechanic to replace a serpentine belt typically costs about $60-$200 or more. 2  This includes $25-$75 for the belt plus half an hour to an hour of labor, at $75-$120 per hour. 3  The job could even take longer on some vehicles, if the belt is difficult to access or install quickly. This includes $25-$75 for the belt plus half an hour to an hour of labor, at $75-$120 per hour. 2  The job could even take longer on some vehicles, if the belt is difficult to access or install quickly.