Global Parts 3411889 A/C Expansion Valve

A/C Expansion Valve for Hummer H3 and H3T

Global Parts 3411889 is an A/C expansion valve for select Hummer H3 and H3T applications. It regulates refrigerant flow before the evaporator so the system can use refrigerant cooling capacity efficiently.

• Direct-fit A/C expansion valve for select Hummer H3 and H3T models
• Controls refrigerant flow entering the evaporator
• Supports proper evaporator performance during A/C service
• Global Parts part number 3411889

How It Works

The expansion valve meters refrigerant into the evaporator at the correct rate, helping the A/C system maintain stable cooling performance. Global Parts recommends replacing the expansion valve or orifice tube whenever the A/C system is serviced to help restore proper refrigerant control.

This part cross-references Four Seasons 39313 for the same application.

Vehicle Fitment

• Fits 2006-2010 Hummer H3, N/A
• Fits 2009-2010 Hummer H3T, N/A

Common Repair Symptoms

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance issues after system service
• Restricted refrigerant flow in the HVAC circuit

Installation Notes

Replace the expansion valve during A/C system service and verify the system is clean before reassembly. Follow the vehicle service procedure for evacuation, recharge, and leak checking after installation.

Quality Assurance

Global Parts supplies HVAC service components for OE-style repair applications. Part number 3411889 is built for the listed Hummer H3 and H3T fitments.