Left.DRUM BRAKES. Rear. Right.DRUM BRAKES. Washer. A flat disc with a hole in the center that is placed under or between the Suspension Knuckle or related components to even out pressure as they are tightened. Axle Nut Washer. CV Joint Washer. Wheel. and Amplifier; bearing. shaft Assembly. CV Joint. Lock. Suspension Knuckle.