RepairPal Certified shops can diagnose and repair your 2007 Subaru Impreza. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Just had this done on a Toyota Avalon. On an Avalon it's a sealed bearing and an integral part of the hub. You have to buy the whole hub assembly. Should take about 30 minutes to swap out.