Global Parts 3412038 A/C Expansion Valve

Global Parts A/C Expansion Valve for Wrangler

Global Parts Part Number 3412038 is an A/C expansion valve/orifice tube for the refrigerant flow control side of the HVAC system. It is used on 2018-2024 Jeep Wrangler applications and helps regulate refrigerant before it enters the evaporator for proper cooling performance.

• Fits 2018-2024 Jeep Wrangler, N/A
• Controls refrigerant flow before the evaporator
• Supports efficient use of the A/C system’s cooling capacity
• Direct replacement for service and repair work on the HVAC system
• Global Parts 3412038 for Jeep Wrangler A/C service

How This Part Works

The expansion valve reduces refrigerant flow entering the evaporator so the system can absorb heat more effectively. On Jeep Wrangler A/C repairs, this component is commonly replaced during service when the system is opened, contaminated, or showing signs of restricted refrigerant control. Part number 3412038 is also cross-referenced to Four Seasons 39609 for the same application.

Common Problems It May Address

• Weak cabin cooling
• Uneven A/C performance
• Restricted refrigerant flow at the evaporator
• Service-related contamination in the HVAC system
• Incorrect refrigerant metering during A/C operation

Installation Notes

Verify the vehicle’s A/C system configuration before installation and replace the expansion valve/orifice tube during service when the system has been opened. Clean the system as needed, inspect related seals and lines, and evacuate and recharge the refrigerant according to factory procedures. Confirm fitment for 2018-2024 Jeep Wrangler models before ordering.

Quality Assurance

Global Parts recommends replacing the expansion valve/orifice tube each time the A/C system is serviced. Part number 3412038 is built for the listed Jeep Wrangler fitment and is intended for HVAC repair work where accurate refrigerant metering is required.