Global Parts 3412006 A/C Expansion Valve - Rear

A/C Expansion Valve for Rear HVAC Service

Global Parts 3412006 is an A/C expansion valve for rear HVAC applications on select Audi models. It meters refrigerant flow before the evaporator so the system can absorb heat efficiently and maintain stable cooling performance. This part number 3412006 is a direct-fit service component for rear A/C repair on Audi A8 Quattro and Audi S8 applications.

Key Features

• Controls refrigerant flow into the evaporator
• Supports efficient heat transfer in the rear A/C circuit
• Designed for rear-position HVAC service
• Recommended replacement during A/C system service
• Cross-references UAC EX10435C for the same application

Detailed Description

The Global Parts 3412006 expansion valve is used to regulate refrigerant entering the evaporator, helping the system deliver consistent cooling output. For 2013-2018 Audi A8 Quattro, rear, and 2018 Audi S8, rear, this component supports proper refrigerant metering in the rear climate system. Global Parts recommends replacing the expansion valve/orifice tube whenever the A/C system is serviced to help maintain correct flow control after repairs or component replacement. This part number 3412006 also cross-references Monroe Shocks & Struts 172286 for the same application.

What It Helps Address

• Weak rear A/C cooling
• Irregular evaporator refrigerant flow
• Temperature inconsistency in the rear cabin zone
• Service-related contamination in the A/C metering circuit
• Reduced cooling efficiency after A/C repairs

Installation Notes and Tips

Install during A/C system service after recovering refrigerant and verifying the correct rear HVAC application. Replace related seals and evacuate and recharge the system according to factory procedures. Confirm vehicle fitment by year, model, and rear position before installation on Audi A8 Quattro or Audi S8.

Quality Assurance

Global Parts supplies service components for automotive HVAC repair, and this expansion valve is built for the specified rear applications listed above.