1987-1990 Jeep Cherokee 4.0 AC Compressor Kit with 3" Diameter Drier1987 1990 Jeep Cherokee AC Compressor Kit. This kit is ideal if you are retrofitting to R134a or you are replacing your compressor. The kit includes the following: compressor with clutch (fully charged with oil), receiver drier (3" diameter drier, please check your drier as they had two different sized driers on these years), expansion valve compressor fittings with R134a service ports, o ring kit. The parts come with a one year warranty.