Left. Right. Sensor bolt. A bolt used to secure the brake dust shield to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Active Suspension System Height Sensor to it's mounting point. ABS Wheel Speed Sensor Bolt. Axle Hub Mounting Bolt. Brake Air Duct Bolt. Brake Hydraulic Hose to Caliper Bolt. Part cannot be reused/reinstalled. Steering Knuckle Bolt. Suspension Crossmember Bolt.