Four Seasons 55622 A/C Refrigerant Suction Hose

OE A/C Suction Hose for Lexus GX470

Four Seasons 55622 is an OE replacement A/C refrigerant suction hose assembly for the low-pressure side of the air conditioning system. It is built with aluminum and rubber construction and includes the service port, bracket, fittings, gasket or seal, and captured O-ring connection points needed for a direct replacement on select Lexus GX470 applications.

Compatible with 2004-2007 Lexus GX470 suction line applications without Kinetic Dynamic Suspension, this Four Seasons hose assembly is built for R134-A refrigerant systems. The Four Seasons Hose Assembly line focuses on replacement HVAC hose and pipe components that match original equipment style connections and routing.

• Part number 55622 for OE-style A/C suction line replacement
• Fits 2004-2007 Lexus GX470, suction line, w/o Kinetic Dynamic Suspension
• Aluminum / rubber construction for the low-pressure refrigerant circuit
• P-nut fitting on the suction end with captured O-ring connection
• Includes service port, bracket, fittings, and gasket or seal
• R134-A quick disconnect service port, 13 mm, low side
• OE replacement design for direct-fit HVAC service

This suction hose assembly routes refrigerant on the low side of the A/C system between connected components and restores the sealed path needed for proper refrigerant flow. It is a direct replacement for select Lexus GX470 models and is identified by part number 55622. This part cross-references UAC HA111258C for the same application.

Common Problems This Part Addresses

• Refrigerant loss from a cracked or leaking suction hose
• Damaged hose connections at the low-pressure A/C line
• Corrosion or wear at the service port or fitting interfaces
• Improper sealing at the suction line O-ring connection
• Reduced A/C performance caused by a compromised refrigerant path

Installation Notes

Verify the vehicle is a 2004-2007 Lexus GX470 with the suction line application and without Kinetic Dynamic Suspension before installation. Replace the sealing surfaces and confirm the captured O-ring and service port connections are clean and properly seated. Evacuate and recharge the system with the correct R134-A refrigerant after installation, and inspect for leaks before returning the vehicle to service.

Quality Assurance

Four Seasons supplies OE replacement HVAC components, and this hose assembly is built to match original-style fitment and connection points for the specified Lexus GX470 applications.