The Cooktop Bracket Kit is an OEM part for Bosch cooktops. This bracket and hardware kit serves to securely fasten the cooktop surface to the underlying countertop. Causes of a bad bracket can include wear and deformation from heavy cooktop use over time, or damage to fastening screws from accidental impacts. Symptoms of a bad bracket and fastening kit include: The cooktop surface becoming loose, wobbly, or unstable during use Gaps appearing between the cooktop and countertop edges Reduced heat containment and risk of burns from loose surfaces This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.00188954 (AP2821588) replaces 00189331, 00473668, 00605340, 1044355, 188954, 189331, 20-02-147, 414769, 415575, 473668, 529264, 605340, AH3440398, EA3440398, PS3440398, PS8698292.