Mopar 68003989AA A/C Expansion Valve Assembly

The Mopar 68003989AA is a block-type thermal expansion valve designed for the HVAC system of specific Jeep and Dodge SUV platforms. It meters high-pressure liquid refrigerant into the evaporator core based on superheat feedback from the sensing bulb. The assembly includes the valve body, mounting lock ring, retaining screws, and sealing O-rings for direct installation onto the evaporator inlet. Constructed with aluminum body and brass internal components, the valve operates within R-134a refrigerant systems at typical automotive A/C pressures. It replaces OE part numbers 68003989AA and 68003989AC. Cross-reference interchange includes aftermarket numbers from Crown Automotive, Denso, UAC, GPD, and various private-label suppliers. The kit version (68003989AS) bundles the valve with all required installation hardware.