Global Parts 3411319 A/C Expansion Valve - Rear

A/C Expansion Valve for Rear HVAC Service

Global Parts 3411319 is an A/C expansion valve/orifice tube for rear HVAC service. It meters refrigerant flow before the evaporator so the system can use refrigerant cooling capacity effectively. This part fits 1997-2000 Chevrolet Tahoe, rear; 1997-2000 GMC Yukon, rear; and 1999-2000 Cadillac Escalade, rear.

• Rear A/C expansion valve for evaporator refrigerant control
• Fits 1997-2000 Chevrolet Tahoe, rear
• Fits 1997-2000 GMC Yukon, rear
• Fits 1999-2000 Cadillac Escalade, rear
• Global Parts part number 3411319

Detailed Product Information

Global Parts 3411319 is built for rear air conditioning systems that use an expansion valve/orifice tube to regulate refrigerant entering the evaporator. By slowing refrigerant flow at the correct point in the system, it supports proper evaporator performance and stable cooling output. This part cross-references UAC EX5681C for the same application.

Common A/C Problems This Part Addresses

• Weak rear cabin cooling
• Uneven evaporator refrigerant flow
• Restricted A/C performance after service
• Incorrect rear system cooling response
• Service-related replacement needs on Tahoe, Yukon, and Escalade rear A/C systems

Installation Notes and Tips

Replace the expansion valve/orifice tube during A/C service when the system is opened. Inspect the evaporator, lines, and related seals before reassembly, and evacuate and recharge the system to the vehicle specification after installation. Confirm rear-system application before ordering Global Parts 3411319.

Quality Assurance

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