Aircraft Model(s): PA-34-200T Seneca II. Applicable Engines: ALL. 1 - 3-Bladed Propeller PHC-C3YF-2KUF/FC7663-2R, 1 -STC Paperwork SA1118SO, 1 - 3-Bladed Propeller PHC-C3YF-2LKUF/FJC7663-2R, 2 - Polished Spinners C-4558-3P. Electric De-Ice 67-195 wh