Four Seasons 38905 A/C Orifice Tube - Front

Overview of Four Seasons Orifice Tube 38905

The Four Seasons Orifice Tube 38905 is a precision-engineered A/C flow restrictor designed to regulate refrigerant flow in automotive air conditioning systems. This white-colored orifice tube features a 0.072-inch orifice diameter, ensuring optimal expansion and cooling performance for a range of vehicles including Chevrolet Silverado, GMC Sierra, and Jeep Grand Cherokee models.

• Brand: Four Seasons
• Brand Line: Orifice Tube
• Part Number: 38905
• Color: White
• Orifice Diameter: 0.072 inches
• Style: Aaot
• Pack Quantity: 1
• Type: A/C Orifice Tube (Expansion Device)

About the Four Seasons Orifice Tube Product Line

The Four Seasons Orifice Tube product line specializes in high-quality A/C flow restrictors that serve as critical expansion devices within automotive air conditioning systems. These orifice tubes are designed to maintain proper refrigerant flow and pressure, contributing to efficient cooling performance. The 38905 part is part of this line, engineered to meet the specifications required by various GM, Dodge, Jeep, and other vehicle models.

Detailed Product Description

The Four Seasons 38905 orifice tube is manufactured to precise tolerances with a 0.072-inch internal diameter, which controls the refrigerant flow rate through the A/C system. Its white color and Aaot style help ensure correct identification and fitment during installation. This part is compatible with a wide range of vehicles, including Buick, Cadillac, Chevrolet, Dodge, GMC, Hummer, Jeep, Oldsmobile, Pontiac, and Saab models such as the Chevrolet Avalanche 1500, GMC Sierra 2500 HD, Jeep Grand Cherokee, and Cadillac Escalade. The orifice tube functions as an expansion device, converting high-pressure liquid refrigerant into a low-pressure mist, which is essential for the evaporator to absorb heat effectively.

Common Applications and Issues Addressed

• Regulates refrigerant flow in A/C systems for consistent cooling
• Prevents compressor damage caused by improper refrigerant pressure
• Helps resolve issues with insufficient cabin cooling in compatible vehicles
• Addresses A/C system inefficiencies related to faulty or clogged orifice tubes
• Supports proper operation of evaporator and overall HVAC performance

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Replace the orifice tube when servicing the A/C system to maintain optimal performance
• Inspect the A/C system for contaminants that may clog the orifice tube
• Follow manufacturer torque specifications and installation procedures
• Use proper tools to avoid damage to the orifice tube during installation

Quality Assurance and Warranty

Four Seasons manufactures the 38905 orifice tube to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship. This part is designed to provide consistent operation within the specified vehicle applications, supporting long-term HVAC system functionality.