Mount bracket nut. A solid metal or plastic block with a threaded hole in the center which is used to secure the Seat Air Bag Inflator Module to its mounting point. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the ABS Hydraulic Control Unit. 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. Spoiler Nut. TYPE A WA INSERT PRVG TORQ HEX FL. ABS Hydraulic Assembly. Frame. Ft seat air bag. Mount bracket bolt. Spoiler. Suspension Ride Height Sensor Bolt.