This genuine OEM switch cap button fits Sanitaire and Eureka uprights including the SC5500A. It covers and operates the power switch, giving you a clean surface to press.A cracked or missing cap makes the switch awkward to work and leaves the control exposed to dust. A fresh OEM cap restores easy, reliable operation and protects the switch beneath. Fits: Electrolux-Eureka S5000; Eureka S5000A, SC5500A, SC5500B, SC5505A; Sanitaire S5000A, SC5500A, SC5500B, SC5505A Part: genuine OEM switch cap button Benefit: reliable power control with a protected switch Tip: seat the cap fully so it presses cleanly The cap installs as a direct-fit replacement over the switch. Verify your model against the list before ordering for smooth power control. Smooth control keeps the upright easy to operate.