Cushion assy retainer. Rear. SEAT CUSHION. A clip which helps secure the Seat Heater to it's mounting point. A rubber ring with a hole in the center which provides protection through which Seat Cushion related components pass through. Clip that fastens seat cushion to seat frame. Seat Cushion Pad Clip. Seat Frame Clip. back end. Foam Grommet. Heater Pad. Bolster. Hook. Support frame. Included with: Cushion assembly.