Global Parts 3411974 A/C Expansion Valve

Global Parts A/C Expansion Valve 3411974

Global Parts 3411974 is an A/C expansion valve/orifice tube for the vehicle’s HVAC refrigerant circuit. It meters refrigerant flow before the evaporator so the system can use cooling capacity efficiently.

Key Features

• HVAC flow restrictor for the A/C system
• Helps regulate refrigerant delivery to the evaporator
• Direct-fit application for select Chevrolet, GMC, and Buick models
• Cross-references Four Seasons 39613 for the same application
• Part number: 3411974

Detailed Description

This expansion valve is used in the refrigerant path to control how much refrigerant enters the evaporator. By slowing refrigerant flow at the correct point in the system, it supports proper heat exchange and stable A/C operation. Global Parts 3411974 is listed for 2018-2024 Chevrolet Equinox, 2018-2024 GMC Terrain, and 2019-2020 Buick Envision. This part number 3411974 is also referenced by UAC EX10615C and EX10648C.

What It Helps Address

• Weak cabin cooling from improper refrigerant metering
• Uneven evaporator performance
• A/C system restriction concerns at the flow-control point
• Service replacement for a worn or failed expansion valve

Installation Notes

Install in the A/C refrigerant circuit at the specified flow-control location for the vehicle. Recover refrigerant before service, replace any disturbed seals or O-rings as required by the vehicle procedure, and evacuate and recharge the system to specification after installation. Verify the application by year, make, and model before ordering.

Quality Assurance

Global Parts supplies HVAC service components for OE-style repair applications. This part is built for the listed fitments and supports direct replacement service on compatible vehicles.

Compatible Vehicles

• Fits 2018-2024 Chevrolet Equinox, N/A
• Fits 2018-2024 GMC Terrain, N/A
• Fits 2019-2020 Buick Envision, N/A