Four Seasons 38643 A/C Orifice Tube

Overview of Four Seasons Orifice Tube 38643

The Four Seasons Orifice Tube 38643 is designed to regulate refrigerant flow in automotive A/C systems. This green-colored A/C orifice tube is compatible with select Ford and Mazda models, including the Mazda 626 and Ford Probe, ensuring precise expansion device performance.

• Brand: Four Seasons
• Brand Line: Orifice Tube
• Part Number: 38643
• Color: Green
• Orifice Diameter: 0.052 inches (1.000 mm)
• Style: Standard
• Pack Quantity: 1
• Compatible with Ford Probe and Mazda 626

Four Seasons Orifice Tube Product Line Details

The Four Seasons Orifice Tube product line focuses on providing reliable expansion devices for automotive HVAC systems. These orifice tubes control refrigerant flow by restricting it to a precise diameter, which is critical for maintaining proper system pressure and cooling efficiency. The 38643 model features a standard style orifice tube with a 0.052 inch (1.000 mm) orifice diameter, designed to meet OEM specifications for select Ford and Mazda vehicles.

Product Description and Specifications

This A/C orifice tube serves as a flow restrictor within the vehicle’s air conditioning system. The green color coding helps identify the specific orifice size, which is 0.052 inches (1.000 mm) in diameter. This precise measurement ensures the correct amount of refrigerant passes through, optimizing the cooling cycle. The Four Seasons 38643 orifice tube is packaged individually and designed for straightforward replacement in compatible vehicles.

Common Applications and Issues Addressed

• Regulates refrigerant flow in Ford Probe and Mazda 626 A/C systems
• Prevents improper refrigerant pressure that can cause inefficient cooling
• Helps avoid compressor damage due to incorrect refrigerant volume
• Addresses A/C system performance issues related to expansion device failure
• Supports restoration of proper cooling function in HVAC systems

Installation Notes and Tips

• Ensure vehicle compatibility with Ford Probe or Mazda 626 before installation
• Replace the orifice tube when servicing the A/C system or if blockage is suspected
• Handle the orifice tube carefully to avoid damage to the orifice opening
• Follow manufacturer guidelines for refrigerant handling and system evacuation
• Verify system pressure and performance after installation

Quality Assurance and Warranty

Four Seasons manufactures the 38643 orifice tube to meet industry standards for durability and performance. While specific warranty details are not provided, Four Seasons products typically undergo rigorous quality control to ensure reliable operation within the specified vehicle applications.