Global Parts 3411291 A/C Expansion Valve

A/C Expansion Valve for Porsche and Mercedes-Benz

Global Parts 3411291 is an A/C expansion valve/orifice tube that slows refrigerant before it enters the evaporator. That pressure drop helps the system use refrigerant cooling capacity efficiently in 1993-1995 Porsche 968 and 1975-1977 Mercedes-Benz 300D applications.

Key Features

• Controls refrigerant flow ahead of the evaporator
• Supports efficient A/C system operation
• Direct-fit service part for select Porsche 968 and Mercedes-Benz 300D models
• Global Parts part number 3411291
• Cross-references Four Seasons 38881 for the same application

Product Details

This expansion valve is used in HVAC systems to meter refrigerant before the evaporator, helping the A/C system manage cooling performance under normal operating conditions. Global Parts 3411291 is listed for 1993-1995 Porsche 968 and 1975-1977 Mercedes-Benz 300D, making it a focused replacement choice for these vehicle-specific repairs. This part cross-references Four Seasons 38881 for the same application.

Common Issues It May Address

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance loss after system service
• Restricted refrigerant flow in the HVAC circuit
• Need for a replacement during A/C maintenance on Porsche 968 or Mercedes-Benz 300D

Installation Notes and Tips

Replace the expansion valve during A/C service when the system is opened, and verify the correct fitment for your exact year and model before installation. Proper evacuation, leak checking, and refrigerant recharge procedures are required after service. Confirm application details for 1993-1995 Porsche 968 and 1975-1977 Mercedes-Benz 300D before ordering Global Parts 3411291.

Quality Assurance

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