Left.2013-19. Right.2013-19. Strut mount nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Skid Plate. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Suspension Strut Tower. Automatic Transmission Mount Nut. Nut for the Engine Mount. Part cannot be reused/reinstalled. Suspension Strut Mount Nut. Automatic. Cross bar. Engine. Lock. Motor. Powertrain Skid Plate. Side. Support. Suspension Strut Tower.