COOLTech A/C Compressor Clutch Kits include the compressor clutch, which engages and disengages the compressor when the A/C is switched ON and Off, and other related components. The compressor clutch kit consists of a pulley with the bearing already pressed in, a pressure plate, and electromagnetic coil. These kits are manufactured to fit your specific vehicle (only fits original compressors, does not fit aftermartket compressors), providing the same performance, durability, and service life you expect from a high quality aftermarket part. Includes: Pulley + Bearing + Coil + Front Plate Hub Shims + Retaining clips and Center bolt also included