Grommet. A component that insulates or isolates the Instrument Panel Crossmember from another component or it's mounting surface. A component that takes up the space between the Instrument Panel Crossmember and it's attaching point. A component which cushions noise, friction or movement for the Instrument Panel Crossmember. A rubber ring with a hole in the center which provides protection through which Instrument Panel Crossmember related components pass through. beam fastener. beam insert. Bushing. Insulator. FASTENING. Spacer.