Left.metal. Reinforcement nut. Right.metal. A nut used to secure the hybrid / electric vehicle sound alert speaker bracket to the vehicle or the speaker to the bracket. A nut which attaches the accessory drive belt tensioner pulley to its mounting surface. A nut which attaches the drive belt idler pulley to it's mounting surface. A nut which attaches the water pump to it's mounting surface. A retaining nut that holds the power steering pump in place. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Door Reinforcement Bar. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Intercooler pipe. A/C Compressor Nut. A/C Condenser Nut. Alternator Nut. Back Glass Wiper Arm Nut. Battery Tray Nut. Power Brake Booster Nut. Included with: Compressor assembly, Condenser, Door shell, Tensioner.