Four Seasons 66363 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66363

The Four Seasons Hose Assembly 66363 is designed specifically for the Lexus RX450h 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
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and bracket for installation
• OE replacement part designed for Lexus RX450h

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. The 66363 suction hose assembly is part of this line, engineered to meet original equipment specifications and provide a direct replacement for the Lexus RX450h’s A/C system.

Detailed Product Description

This A/C refrigerant suction hose assembly features a combination of aluminum and rubber construction, offering durability and flexibility required for the low-pressure side of the air conditioning system. Both ends utilize P-nut fittings, ensuring a tight and leak-resistant connection. The hose is designed for use with R134a refrigerant and includes two black O-rings (part number 24150) to maintain a proper seal. The assembly comes with a mounting bracket and necessary fittings, but does not include a muffler or service port. It is an exact OE replacement, making it suitable for maintaining factory performance in the Lexus RX450h.

Common Applications and Issues Addressed

• Replacement of worn or cracked suction hoses in Lexus RX450h A/C systems
• Resolving refrigerant leaks caused by damaged fittings or seals
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Addressing low-pressure system failures due to hose degradation
• Eliminating issues related to missing or faulty mounting brackets

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66363, ensure all fittings and O-rings are properly seated to prevent leaks. Use the included bracket to secure the hose assembly firmly in place, avoiding contact with moving parts or heat sources. Since this assembly does not include a service port or muffler, verify system compatibility before installation. It is recommended to evacuate and recharge the A/C system with R134a refrigerant after replacement.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet or exceed original equipment standards for the Lexus RX450h. The part number 66363 is an OE replacement, ensuring compatibility and performance. The product includes all necessary fittings and seals for a complete installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.