New Compressors with clutches. Jeep Air's new compressors are warranted to be free from defects in parts and workmanship for a period of 1 year  providing proper installation requirements are met. This warranty does not apply to any product that has been altered or improperly installed. To receive a warranty you must replace accumulator/drier and expansion valve/orifice tube, and system must be properly cleaned. Most systems cannot be flushed, the components parts including the condenser and evaporator have to be replaced if there is contamination in the system. https://jeepair.com/pages/warranty