This top-quality A/C Compressor by Four Seasons, part number 58176, is an excellent choice for your 03-07 Ford Focus. The compressor is belt driven and will efficiently cool your vehicle's interior during hot summer days. In addition, please note that this product contains a chemical that is known to the State of California to cause cancer and birth defects or other reproductive harm, as indicated by the California Prop 65 Warning. Purchase this A/C Compressor with confidence and enjoy a comfortable ride all summer long.