Global Parts 3411578 A/C Expansion Valve - Rear

A/C Expansion Valve for Toyota Rear HVAC

Global Parts 3411578 is an A/C expansion valve for rear HVAC applications on select Toyota models. It regulates refrigerant flow before the evaporator so the system can absorb heat efficiently and deliver consistent rear-seat cooling.

Key Features

• Direct-fit A/C expansion valve for rear evaporator service
• Helps meter refrigerant flow before the evaporator core
• Supports efficient cooling performance in Toyota rear HVAC systems
• Cross-references DENSO Auto Parts 475-2105 and Four Seasons 39333
• Global Parts part number 3411578 for ordering and lookup

Detailed Description

Global Parts 3411578 is used in rear air conditioning systems where precise refrigerant control is required for the evaporator to operate correctly. By slowing refrigerant before it enters the evaporator, the valve helps the system use cooling capacity more effectively. This part cross-references DENSO Auto Parts 475-2105 and Four Seasons 39333 for the same application. It is a fitment-based replacement for Toyota Sienna and Toyota Highlander rear HVAC service, and the part number 3411578 is useful when matching the correct A/C flow restrictor during repair.

What It Helps Address

• Weak rear A/C cooling
• Incorrect refrigerant metering at the evaporator
• Uneven cabin temperature in rear HVAC zones
• Service replacement for a worn or restricted expansion valve
• Restoring proper refrigerant flow in Toyota Sienna and Toyota Highlander rear systems

Installation Notes and Tips

• Fits 2008-2020 Toyota Sienna, Rear
• Fits 2008-2019 Toyota Highlander, Rear
• Replace the expansion valve/orifice tube during A/C system service as recommended by the manufacturer
• Verify rear HVAC configuration and part number 3411578 before installation
• Use proper evacuation, leak checking, and recharge procedures after service

Quality Assurance

Global Parts supplies this A/C expansion valve as a service replacement part for rear HVAC applications. Manufacturer guidance recommends replacing the expansion valve/orifice tube whenever the A/C system is serviced.