Looks good, what I ordered and got it quickly
Karcher 8.639-763.0, 12" brush strip, (standard on Sensor S2 12 HEPA)
45" cylindrical natural fiber & wire 24SR main brush. Fits Tennant 355, 355D, 355E, 385, 385D, 385DLH, 6500, 6500D, 6550, 6550D, 6550E, 6600, 6650, 8400, 8400D, 8410, 8410D, S30
Fits Aftermarket Tennant 54927This part is listed as fitting the following models: