Four Seasons 39282 A/C Expansion Valve - Rear

Four Seasons 39282 Expansion Valve Overview

The Four Seasons 39282 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It is an aluminum replacement part with captured O-ring connections and solenoid-style construction for rear air conditioning service on select Lexus applications.

Compatible With 2007-2017 Lexus LS460 rear A/C systems and 2010-2016 Lexus LS600h rear A/C systems, Four Seasons 39282 is an OE-style expansion valve replacement for restoring refrigerant metering performance. This part number 39282 is also listed under common cross-reference numbers used in the same application.

Key Features

• Four Seasons Expansion Valve, part number 39282
• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with aluminum finish
• Captured O-ring inlet and outlet connections
• Female suction and liquid fittings
• Solenoid-style design
• Meets or exceeds OEM requirements
• Rear HVAC application for select Lexus LS models

Product Details

The Four Seasons Expansion Valve line focuses on refrigerant flow control at the evaporator circuit, where accurate metering is critical to system performance. Part number 39282 uses a block-type layout with female suction and liquid ports, captured O-ring sealing surfaces, and fitment-specific dimensions for rear HVAC service. It is specified for R134A systems and is listed with a super heat value of -6.8, supporting proper refrigerant regulation in the intended application. For buyers searching for a Lexus LS460 rear expansion valve or Lexus LS600h rear A/C expansion valve, this part provides a direct replacement path for the listed vehicles.

This part cross-references UAC EX10313C for the same application.

What It Helps Fix

• Weak rear A/C cooling caused by improper refrigerant metering
• Erratic evaporator performance in the rear HVAC circuit
• Refrigerant flow restriction issues in the expansion valve assembly
• Service replacement needs for a leaking or sticking A/C expansion valve
• Rear climate control performance concerns on Lexus LS460 and LS600h models

Installation Notes and Tips

Verify the vehicle’s rear HVAC configuration, refrigerant type, and port style before installation. Replace the valve only with the correct R134A application and confirm the captured O-ring sealing surfaces are clean and undamaged. Because this is a fitment-specific block-type valve, matching the year, model, and rear position is important for proper operation. For search relevance, this part is commonly referenced as Four Seasons 39282, 39282 expansion valve, and Lexus LS460 rear expansion valve.

Quality Assurance

Four Seasons lists this expansion valve as meeting or exceeding OEM requirements. The aluminum construction, OE-style port design, and application-specific fitment support consistent replacement quality for the listed Lexus rear HVAC systems.