Four Seasons 38623 A/C Orifice Tube - Front

Reliable A/C Orifice Tube for Select Audi and GM Models

The Four Seasons 38623 A/C Orifice Tube is a critical component designed to regulate refrigerant flow in automotive air conditioning systems. Engineered for compatibility with various Audi, Buick, Cadillac, Chevrolet, GMC, and other makes, this white standard-style orifice tube ensures precise expansion and optimal A/C performance.

Key Features of Four Seasons 38623 Orifice Tube

• Part Number: 38623
• Brand Line: Orifice Tube
• Color: White
• Orifice Diameter: 0.072 inches (1.803 to 1.854 mm)
• Standard style expansion device
• Packaged individually (Qty of 1)
• Compatible with multiple Audi Quattro and GM models

Detailed Description of the Four Seasons Orifice Tube

This Four Seasons Orifice Tube from the Orifice Tube product line serves as a flow restrictor in automotive A/C systems, controlling refrigerant expansion and pressure. The precise orifice diameter of approximately 0.072 inches (1.803 to 1.854 mm) allows for accurate metering of refrigerant, which is essential for maintaining system efficiency and preventing compressor damage. The white color and standard style design make it a direct replacement part for various vehicles, including Audi 80, 90, 100, 200 Quattro models and a wide range of GM vehicles such as Chevrolet Blazer, Silverado, and Cadillac DeVille.

Applications and Common Issues Addressed

• Restores proper refrigerant flow in A/C systems
• Prevents compressor failure due to improper expansion
• Eliminates inconsistent cooling or fluctuating cabin temperatures
• Resolves A/C system pressure imbalances
• Addresses issues related to clogged or damaged orifice tubes

Installation Notes and Tips

• Ensure system is fully evacuated before installation
• Verify compatibility with vehicle make and model, including Audi Quattro and GM trucks
• Inspect surrounding components for wear or damage during replacement
• Use proper tools to avoid damaging the orifice tube or A/C lines
• Consider optional part number 38902 for climates above 105°F as noted in product footnotes

Quality Assurance and Warranty

Four Seasons maintains strict quality control standards for its Orifice Tube product line, ensuring reliable performance and durability. The 38623 orifice tube is manufactured to meet OEM specifications for fit and function. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship.