Infections. Itching may be a symptom of an infection, such as: 1  chickenpox or another viral infection. 2  athlete's foot â a fungal infection that causes itching in between the toes. 3  ringworm â a fungal infection that causes a ring-like red rash to develop on the skin and can cause an itchy scalp.
If you do this on your own, then belt replacement cost would be limited to the price of a new belt, which would be about $50 to $200 or more, depending on the car model. Replacement Cost at a Service Center
Replacing a belt is cheap, and if you can do the work yourself, $35 to $75 should be the average. If a professional does the work you are probably looking at $100 to $125. Replacing the entire alternator will be more expensive.