The motor and control unit are included with Lippert Kwikee 39 Series Electric Step # LC3724742. A power switch and sensor are also included. I have linked a video review of this step for you. view full answer...
The bushing that comes with the 4-Leaf Slipper Spring # SP-179275 is a nylon bushing like part # TRBU11566 so you need a standard non-grease bolt like part # 166079 for the installation. The nylon bushings are pressed in there by themselves without any specific type of sleeve. view full answer...