Global Parts 3411431 A/C Expansion Valve - Rear

Global Parts A/C Expansion Valve 3411431

Global Parts 3411431 is an A/C expansion valve for rear HVAC systems on select Cadillac, Chevrolet, and GMC vehicles. It meters refrigerant flow before the evaporator to help the system use cooling capacity efficiently.

Key Features

• Rear A/C expansion valve for HVAC refrigerant flow control
• Helps regulate refrigerant entering the evaporator
• Recommended for service replacement when the A/C system is opened
• Direct application coverage for select GM rear air conditioning systems
• Part number 3411431 for ordering and catalog lookup

Detailed Description

This Global Parts expansion valve is used in rear air conditioning systems to reduce refrigerant pressure and control flow before the evaporator. That metering action supports proper evaporator performance and consistent cabin cooling. Compatible With 2000-2006 Chevrolet Tahoe, rear; 2000-2006 GMC Yukon, rear; 2000-2006 GMC Yukon XL 1500, rear; 2000-2006 GMC Yukon XL 2500, rear; 2002-2006 Cadillac Escalade, rear; 2002-2006 Cadillac Escalade EXT, rear; and 2003-2006 Cadillac Escalade ESV, rear. This part cross-references DENSO Auto Parts 475-2030 for the same application.

What It Helps Address

• Weak rear A/C cooling performance
• Improper refrigerant metering at the evaporator
• Restricted or inconsistent refrigerant flow in the HVAC circuit
• Service-related contamination concerns after A/C repairs
• Rear climate control output issues on GM SUVs and trucks

Installation Notes and Tips

Install Global Parts 3411431 in the rear HVAC circuit for the listed applications. Replace the expansion valve/orifice tube whenever the A/C system is serviced, and verify the system is properly evacuated, leak-checked, and recharged to specification after installation.

Quality Assurance

Global Parts recommends expansion valve replacement during A/C service to help maintain proper system operation. Part number 3411431 is cataloged for the listed rear applications and cross-references common aftermarket and OE-style numbers for identification.