3.5 liter. US BUILT. A component which prevents a leak at the Air Conditioning Compressor Clutch Pulley. A flat disc with a hole in the center that is placed under or between the Air Conditioning Compressor Clutch Assembly or related components to even out pressure as they are tightened. and. and hardware. and o - ring. and seal. coil hardware. Air Conditioning (A/C) Compressor Seal. Gasket , Overhaul. Shaft Seals.