SEBO Rear Bottom Plate with...
$14.00
Product details
Position 149 on SEBO's combined AUTOMATIC X7/X8 parts diagram is the X8 rear bottom plate, listed complete with items 150 and 165. That is exactly what part 52120GS supplies: the gray black plate, its sealing strip and the mounting screws, all in one order.
Both of those included items have part numbers of their own, which is useful when you are diagnosing rather than rebuilding. Item 150 is sealing strip 5400-2, SEBO's 15 in strip listed for the AUTOMATIC X8, and item 165 is 0197ER, the M 4 x 12 screw with washer sold in tens. The strip is the component doing the actual sealing along the back edge, and it hardens well before the plate wears through. Once it has, air is pulled in behind the nozzle instead of through it, and the machine begins leaving a faint trail of debris at the back of each pass while still sounding entirely normal.
Replacing the pair together is the sensible approach, since a new strip clamped down by a plate that has already thinned will not hold a flat line against the floor. A sealing strip also arrives as part of service box 51828AM if you are restocking bags and filters at the same time. The front plate for the same machine is 52118GS, and the two wear at different rates, so check both while the head is inverted.
Telling the two apart is simple once you know what to look for. Debris left in a line behind the machine points to the rear plate and its strip; poor pickup at the leading edge, with the nozzle rocking rather than sitting flat, points to the front. Run a fingertip along the underside of the strip as well — once it has gone hard and lost its flex it is no longer sealing, however intact it looks.
- Fits: SEBO AUTOMATIC X8
- Part number: 52120GS
- Colour: gray black
- Includes: rear bottom plate, sealing strip and screws
- Diagram position: 149, complete with items 150 and 165
- Related part numbers: 5400-2 sealing strip, 0197ER screw pack, 52118GS front bottom plate, 51828AM service box
Genuine SEBO part, dispatched in 2–5 business days.

