Delphi CB10049 AC Compressor Turning Tool Completely eliminates compressor wear due to initial dry compressor engagement, thus reducing warranty comebacks Compatible with most industry R4-, V5-, H6-, and V7-style compressors, ensuring a wide range of usage Threads directly into clutch driver, ensuring safer, slip free operation Ergonomically designed to permit operation in confined area, on or off the vehicle Delphi is an original equipment brand that partners with other manufacturers to supply the parts your car was originally built with. This product is in a Delphi package, note that the part may have been manufactured by an independent Delphi supplier.