Global Parts 3411803 A/C Expansion Valve

Global Parts 3411803 A/C Expansion Valve

Global Parts 3411803 is an A/C expansion valve for the 2003-2008 Mazda 6. It regulates refrigerant flow before the evaporator so the system can absorb heat efficiently and deliver consistent cabin cooling. This Mazda 6 A/C expansion valve is a direct-fit service part for common HVAC repairs.

Key Features

• Fits 2003-2008 Mazda 6
• Controls refrigerant flow into the evaporator
• Supports efficient A/C cooling performance
• OE-style service replacement for HVAC repair work
• Part number 3411803 for catalog and cross-reference lookup

Product Details

This expansion valve is used in the A/C flow control circuit to meter refrigerant before it enters the evaporator. By managing refrigerant pressure and flow, it helps the system maintain proper cooling output during service on the Mazda 6. Global Parts 3411803 is also cross-referenced to Four Seasons 39168 for the same application.

Common Issues It May Address

• Weak or inconsistent vent temperature
• Restricted refrigerant flow at the evaporator
• Improper A/C system cooling after service
• HVAC performance problems tied to a worn flow restrictor
• Need for a replacement during A/C system repair on a Mazda 6

Installation Notes

Verify the vehicle year and HVAC configuration before installation. Replace the expansion valve during A/C service when the system has been opened, and follow proper evacuation, leak testing, and recharge procedures. Confirm the part number 3411803 against the original component before assembly.

Quality Assurance

Global Parts recommends replacing the expansion valve/orifice tube each time the A/C system is serviced to help maintain proper refrigerant control and cooling performance.