Damper. A component that isolates one part from another. An example would be a coil spring insulator. The insulator would isolate the coil spring and a mounting surface. Isolates the noise and vibration generated from the operation of the Air Injection Air Pump. Air pump insulator. Air pump mount cushion. AUXILIARY pump buffer. Bracket buffer. Bracket mount cushion. BUMPER. Damper. Mount bracket grommet. Secondary Air Injection Pump Insulator. Secondary Air Injection Pump Mount Insulator.