What size are the lines on the transmission oil cooler in a 2002 f350 with the v 10?

The transmission oil cooler lines on a 2002 Ford F-350 with a V10 engine typically use 5/16-inch diameter fittings. However, it's essential to verify the specific vehicle configuration, as variations can occur based on factors like production date or aftermarket modifications. Always consult a repair manual or parts supplier for the most accurate information regarding your specific truck.