I need to replace my right front passenger seat motors and track and have looked on ebay and Amazon with no luck I believe it is number MM950 Hank Henry
RepairPal Certified shops can diagnose and repair your 1994 Lincoln Mark VIII. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
https://www.partrequest.com/catalog/seats/lincoln/mark-viii