The JLG 400 Series Engine Side Hood Assembly is used on various 400 Series Mobile Elevated Work Platforms (MEWPs) with Caterpillar, Perkins, or Deutz D2011 engines installed. The hood assembly includes: the hood cover, insulation, latches, and the engine exhaust vent tube. Decals are sold separately. For use on models: 400S, 460SJ. Please verify the proper engine install and serial number range for your machine.