Parts: The output speed sensor itself can cost anywhere from $20 to $80, depending on the brand and quality.
Labor: The labor cost for replacing the output speed sensor can vary significantly based on the hourly labor rate charged by the mechanic or repair shop. On average, it can range from $75 to $150.
Total Cost: Combining the cost of the part and labor, the total cost for replacing the output speed sensor on a Hyundai Elantra can fall between $95 to $230. However, it's always best to get specific quotes from a reputable mechanic or automotive repair shop to obtain an accurate estimate based on your specific vehicle and location.