SEBO Power Control Knob for...
$10.00
Product details
A dial that spins on freely without changing anything has generally lost its splines rather than its switch. The gray black knob catalogued as 8037GS is the one fitted to the AIRBELT D4 Premium, sitting over the control shaft and giving the thumb something to turn.
SEBO draws that control as a short stack on the AIRBELT D sheet: display at item 17, spring at 18, knob at 19. The number printed against item 19 is 8202GS, so compare the part in hand with the one being ordered before committing. Inside the knob, fine splines key onto the control shaft; a decade of thumb pressure wears them round, and the skirt cracks alongside them. The control then slips instead of indexing cleanly, the setting becomes awkward to judge, and the exposed stem carries the load on its own. A fresh knob restores a defined action under the hand.
The small parts underneath deserve a look while the knob is off. Springs fatigue on much the same timescale, and a control that felt vague before the repair can feel just as vague afterwards if what sits beneath it has softened. Both are quick to change once the top of the canister is open.
- Order code: 8037GS
- Finish: gray black
- Machine: AIRBELT D4 Premium
- What it drives: the power and suction control shaft on the canister top
- Underneath it: power button spring 8057, item 18 on the AIRBELT D sheet
- Related number: 8202GS, the knob drawn at item 19 of the same sheet
- Change it when: the knob turns without engaging, wobbles on its shaft, or has cracked around the skirt
The replacement pushes onto the same shaft, usually with no tools at all and always with the machine off the outlet. Shoppers look for this as a SEBO power knob, an AIRBELT D4 on off knob, or a D4 Premium suction control dial. An authorized SEBO dealership supplies it as a genuine part. Ships in 2-5 business days.

