You can use a capacitor with a voltage rating that is the same or higher than your original. If you have a 370V capacitor, a 440V replacement is acceptable and may actually last longer.
You can find run capacitors through several types of retailers: buy run capacitor
Before purchasing, inspect your old capacitor for physical signs of failure, such as a or signs of leaking. However, a capacitor can still be faulty without visual damage, requiring a multimeter with capacitance testing to verify. You can use a capacitor with a voltage
Ensure it is rated for your local grid, typically 50/60Hz . Where to Buy typically 50/60Hz . Where to Buy