Global Parts 3411255 A/C Orifice Tube

A/C Orifice Tube for GM HVAC Service

Global Parts 3411255 is a gray/white A/C orifice tube for GM vehicles that use an orifice-tube style refrigerant flow restrictor. It slows refrigerant before the evaporator so the A/C system can deliver proper cooling performance after service.

Compatible With 1999-2005 Buick Century, 1999-2004 Buick Regal, 2000-2003 Chevrolet Impala, 2000-2003 Chevrolet Monte Carlo, 1999-2003 Pontiac Grand Prix, and 1999-2002 Oldsmobile Intrigue.

• Gray/white orifice tube design
• Controls refrigerant flow before the evaporator
• Direct replacement for service on GM A/C systems
• Part number 3411255 for catalog and fitment lookup
• Cross-references UAC EX31053C for the same application

Detailed Product Information

This A/C orifice tube is used in the refrigerant circuit to meter flow into the evaporator, helping the system maintain the pressure drop needed for cooling. Global Parts 3411255 is listed for Buick Century and Regal, Chevrolet Impala and Monte Carlo, Pontiac Grand Prix, and Oldsmobile Intrigue applications with gray/white identification.

For service work on these vehicles, part number 3411255 is a direct-fit HVAC flow restrictor reference that supports accurate replacement during A/C repair. It is a practical match for technicians searching for a 1999-2005 Buick Century A/C orifice tube, a 2000-2003 Chevrolet Impala orifice tube, or a 1999-2003 Pontiac Grand Prix HVAC restrictor.

What It Helps Address

• Weak or inconsistent cabin cooling
• Restricted refrigerant metering at the evaporator inlet
• Service replacement during A/C system repair
• Incorrect or worn flow restrictor identification
• Restoration of proper refrigerant control in GM HVAC systems

Installation Notes

Replace the orifice tube during A/C service when the system is opened, and verify the tube color and application before installation. Inspect the refrigerant lines and related HVAC components for contamination or wear so the replacement part can perform as intended.

Quality Assurance

Global Parts recommends replacing the expansion valve or orifice tube each time the A/C system is serviced. This part is built for the listed GM applications and is identified by part number 3411255 for accurate ordering and service matching.