Four Seasons 55668 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55668

The Four Seasons Hose Assembly 55668 is designed specifically for the HVAC system of Lexus IS250 and IS350 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance.

• Constructed with durable aluminum and rubber materials
• Features a P-nut fitting on one end and a captured o-ring on the other
• Compatible with R134-a refrigerant systems
• Includes gasket, fittings, and green o-rings for secure sealing
• Equipped with a muffler to reduce noise
• OE replacement part designed for Lexus IS250 and IS350

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies for automotive HVAC systems. These assemblies combine high-quality materials and precise fittings to ensure proper refrigerant flow and system integrity. The 55668 suction hose assembly is part of this line, offering a direct OE replacement solution without the need for additional brackets or service ports.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered with a combination of aluminum and rubber to withstand the demands of low-pressure refrigerant circulation in Lexus IS250 and IS350 vehicles. The hose features a P-nut fitting on the suction end and a captured o-ring on the opposite end, ensuring a secure and leak-free connection. It is designed for use with R134-a refrigerant and includes two green o-rings (part number 24682) for proper sealing. The assembly comes with all necessary fittings and a gasket, and it incorporates a muffler to minimize operational noise. This hose assembly does not include a switch or service port and is supplied without a bracket, simplifying installation.

Common Issues Addressed by This Hose Assembly

• Leaks in the A/C refrigerant suction line causing reduced cooling efficiency
• Damaged or worn suction hoses leading to refrigerant loss
• Noise issues from the suction line due to lack of muffler or damaged components
• Failure of original suction hose components in Lexus IS250 and IS350 HVAC systems
• Need for a direct OE replacement hose assembly compatible with R134-a refrigerant

Installation Notes and Tips

• Ensure the vehicle is compatible: Lexus IS250 or IS350 models
• Verify refrigerant type is R134-a before installation
• Use included gasket and fittings to secure connections and prevent leaks
• Check that the P-nut fitting and captured o-ring are properly seated
• Handle the hose assembly carefully to avoid damaging the aluminum or rubber components

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55668 is manufactured to meet or exceed OEM specifications for fit, form, and function. It serves as a direct OE replacement part for Lexus IS250 and IS350 vehicles. The product includes all necessary seals and fittings to ensure a reliable installation. Warranty details should be confirmed with the product documentation or manufacturer.