Four Seasons 66048 A/C Liquid Line with Orifice Tube

Overview of Four Seasons Hose Assembly 66048

The Four Seasons Hose Assembly 66048 is designed specifically for heavy-duty Chevrolet and GMC trucks, including the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD models. This A/C liquid line hose assembly features an integrated orifice tube and service port, ensuring reliable performance in your vehicle's HVAC system.

• Constructed from durable aluminum material
• Compatible with R134a refrigerant
• Includes gasket and fittings for a complete installation
• Equipped with a serviceable orifice tube and 16 mm high side service port
• Designed without a bracket and switch service port for direct fitment
• Features a P-nut fitting on the suction end
• O.E. replacement part ensuring factory-level compatibility

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing precise HVAC hose and pipe replacements that meet original equipment specifications. The 66048 liquid line hose assembly is part of this line, offering a serviceable orifice tube and included fittings to simplify installation and maintenance. This line is engineered to maintain system integrity and refrigerant flow in heavy-duty truck applications.

Detailed Product Description

This A/C liquid line hose assembly is made from aluminum, providing corrosion resistance and durability under demanding conditions. It is designed for use with R134a refrigerant and includes all necessary gaskets and fittings for a secure, leak-free connection. The assembly features a serviceable orifice tube and a 16 mm high side service port, allowing for easy servicing and pressure checks. The suction end uses a P-nut fitting, and the assembly is supplied without a bracket or switch service port, ensuring a direct fit for the specified Chevrolet and GMC truck models.

Common Applications and Issues Addressed

• Replacement of damaged or leaking A/C liquid line hoses
• Restoring proper refrigerant flow in Chevrolet Sierra 2500 HD and Silverado 3500 HD HVAC systems
• Resolving issues related to orifice tube blockages or failures
• Fixing leaks at fittings or service ports in heavy-duty truck A/C lines
• Upgrading worn or corroded aluminum liquid line assemblies

Installation Notes and Tips

• Ensure compatibility with Chevrolet and GMC heavy-duty truck models listed
• Use included gaskets and fittings to prevent leaks
• Verify the service port size (16 mm) matches your service equipment
• Handle the orifice tube carefully during installation to avoid damage
• Check for proper seating of the P-nut fitting on the suction end

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66048 is an O.E. replacement part manufactured to meet original equipment standards. It undergoes rigorous quality control to ensure durability and performance in heavy-duty HVAC applications. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.