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4. Labor Costs If you are not comfortable replacing the alternator belt yourself, you will need to factor in labor costs. Labor rates vary widely by location and shop, but on average, expect to pay between $80 and $150 per hour for professional labor.
alternator belt price

2. Proper Tensioning Maintaining the correct tension is crucial; too much tension can lead to premature wear, while too little can cause slippage.
What is a Ribbed V Belt?
