1985-2002. Left.2WD. w/4 wheel ABS. A Shield used to contain the brake dust produced by the brake pads of a vehicle's disc brake calipers. This typically is mounted to the vehicle's wheel hub. Additionally, it functions as a splash guard to protect a vehicle's disc brake rotors from water, dirt and debris. ABS Wheel Speed Sensor. Shield Assembly. ABS Wheel. Backing plate. Brake Dust. Brake Splash Guard.