New Surplus BF Goodrich Propeller Deicer p/n 4E2716. Purchased in an inventory and still sealed in original packaging. We believe this Propeller Deicer fit Cessna Aircraft Models 404 Titan Series also 404 and 421C with McCauley Propeller 3FF32C501/90UMB-0. This one has a 1998 cure date, but the rubber is soft and it is guaranteed to work. Please check with your Maintenance Provider or contact us to make sure this part fits your aircraft.