Four Seasons 55633 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55633

The Four Seasons Hose Assembly 55633 is designed specifically for the Lexus RX330 HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

• Constructed from durable aluminum and rubber materials
• Features a P-nut fitting on both suction ends for secure connections
• Includes captured green o-rings (part number 24682) for effective sealing
• Compatible with R134-a refrigerant systems
• Equipped with a 13 mm R134-a quick disconnect service port on the low-pressure side
• Includes necessary fittings and gasket for installation
• OE replacement part designed for direct fit and function

Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems. This product line emphasizes compatibility and durability, offering components that meet or exceed original equipment specifications. The 55633 hose assembly is part of this line, ensuring it integrates seamlessly with the Lexus RX330’s air conditioning system.

Detailed Product Description

This A/C refrigerant suction hose assembly combines aluminum and rubber to balance flexibility and strength, essential for handling low-pressure refrigerant flow in the Lexus RX330. The P-nut fittings on both ends provide secure, leak-resistant connections, while the included captured green o-rings ensure a tight seal to prevent refrigerant loss. The hose assembly is designed for use with R134-a refrigerant and includes a 13 mm quick disconnect service port on the low-pressure side, facilitating maintenance and service without system depressurization. This part number 55633 is an exact OE replacement, making it a reliable choice for restoring your vehicle’s HVAC performance.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Fixing low-pressure side hose failures in Lexus RX330 HVAC systems
• Upgrading to a hose assembly with included fittings and seals for easier installation

Installation Notes and Tips

• Ensure the system is fully depressurized before removing the old hose assembly
• Verify the captured o-rings are properly seated to prevent leaks
• Use the included fittings and gasket for a complete and secure installation
• Check the service port for proper function and accessibility during installation
• Follow manufacturer torque specifications for P-nut fittings

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55633 is manufactured to meet original equipment standards, ensuring compatibility and durability for the Lexus RX330. This part includes all necessary seals and fittings to maintain system integrity. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.