Four Seasons 39230 A/C Expansion Valve - Rear

Four Seasons 39230 Expansion Valve Overview

Four Seasons 39230 is a block-type A/C expansion valve for R134A systems, built in aluminum for rear HVAC service. It is a direct-fit style replacement for select Lexus LX470 and Toyota Land Cruiser applications, including rear expansion valve service on 1998-2002 models.

The Four Seasons Expansion Valve line focuses on OE-style refrigerant control for automotive air conditioning systems. This Four Seasons 39230 valve follows that approach with a solenoid-style design, female FIO insert O-ring connections, and OEM-level fitment for the rear HVAC circuit.

Key Features

• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with aluminum finish
• Rear HVAC application for Lexus LX470 and Toyota Land Cruiser
• Female FIO insert O-ring inlet and outlet connections
• Meets or exceeds OEM requirements
• Solenoid-style valve design
• Four Seasons 39230 replacement for OE-style service

Detailed Product Description

This A/C expansion valve meters refrigerant flow into the evaporator to help maintain proper cooling performance and system balance. Four Seasons 39230 is specified for rear HVAC use on 1998-2002 Lexus LX470 and 1998-2002 Toyota Land Cruiser models, making it a focused solution for rear air conditioning repair. The valve uses female suction and liquid fittings with insert O-ring style connections for service on the correct refrigerant circuit.

For buyers searching for a rear A/C expansion valve for 1998-2002 Toyota Land Cruiser or a Lexus LX470 rear expansion valve, Four Seasons 39230 provides the correct application match. This part cross-references Global Parts Distributors LLC 3411478 for the same application.

What This Part Helps Fix

• Weak or inconsistent rear cabin cooling
• Incorrect refrigerant metering at the evaporator
• Temperature fluctuations in the rear HVAC circuit
• Restricted A/C flow caused by a worn expansion valve
• Service needs on a leaking or failing rear expansion valve

Installation Notes and Tips

Verify the vehicle’s rear HVAC configuration, refrigerant type, and fitting style before installation. Replace the valve only after the system has been properly evacuated and inspected for contamination, leaks, and O-ring condition. Confirm the suction and liquid connection sizes match the original rear unit on the Lexus LX470 or Toyota Land Cruiser before assembly.

Quality Assurance

Four Seasons 39230 is an OE-style replacement that meets or exceeds OEM requirements for the listed applications. The Four Seasons Expansion Valve product line is built for accurate refrigerant control and service-ready fitment in automotive HVAC repairs.