Left.2.5 LITER NON TURBO. Right.2.5 LITER NON TURBO. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Air Conditioning Condenser Fan Blade. Engine Cooling Fan Blade Nut. Mexico Built Vehicle. Part included in fan assembly. COOLIN. AIR CONDITIONING (A/C) Condenser. Engine. Included with: Fan assembly.