I don't have a PN, but if you call Wall's, tell them you're looking for a 2003 Sport Trac "center console compartment door" and the color of your interior. They run about $85 bucks.
When you say it is cracked, are yo talking about the covering?? My '01 developed a crack in the vinyl right where my elbow rested. I think I spent about 20 bucks on ebay to send it to them to have it recovered in leather. Matched pretty well and was a quick (4 day turnaround).