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...
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...