However, most manufacturers recommend changing the serpentine belt every 60,000 to 100,000 miles. It's also worth noting that your serpentine belt may fail before it's time for a replacement.

You can find several serpentine belt drive solutions for your vintage Mustang no matter the engine under the hood. From basic pulley and bracket kits that use the original Ford accessories to full ...

Serpentine belts are extremely durable, but they don't last forever, so you'll need to change yours periodically. Replacement intervals will vary based on your car's make and model and its age.