New Surplus BF Goodrich Propeller Deice Boot p/n 4E1188-4 Piper Aerostar. Purchased in an inventory and still in original packaging. We believe this Propeller Deice Boot fits on Piper Aerostar Models 600, 601 and 601P. If you need more than one let us know and we will list the quantity you need. Please check with your Maintenance Provider or contact us to make sure this part fits your aircraft.