Four Seasons 39664 A/C Expansion Valve

Four Seasons 39664 Expansion Valve Overview

Four Seasons 39664 is a block-type A/C expansion valve for R134A systems. It is built with an aluminum body and uses O-ring connections for the liquid and suction lines, making it a direct-fit style service part for select Jaguar and Land Rover HVAC applications.

This Four Seasons Expansion Valve line focuses on OE-style replacement coverage for vehicle air conditioning flow control. Part number 39664 is listed for 2016-2024 Jaguar XF, 2017-2024 Jaguar F-Pace, 2017-2020 Jaguar XE, and 2018-2024 Land Rover Range Rover Velar applications.

Key Features

• Part number: 39664
• Brand line: Expansion Valve
• Block-type A/C expansion valve
• Aluminum construction
• R134A refrigerant type
• O-ring liquid and suction connections
• Female inlet and outlet fittings
• Meets or exceeds OEM requirements
• 1.5 tonnage rating
• Super heat setting: 2.0
• Style: without solenoid

Detailed Description

Four Seasons 39664 regulates refrigerant flow into the evaporator to maintain proper A/C system operation in compatible Jaguar and Land Rover vehicles. The block-style design, aluminum housing, and O-ring sealing surfaces support service replacement in R134A systems that use No. 12 suction fittings and No. 6 / No. 10 liquid fittings. This part number 39664 is a practical choice for restoring refrigerant metering performance in 2016-2024 Jaguar XF, 2017-2024 Jaguar F-Pace, 2017-2020 Jaguar XE, and 2018-2024 Land Rover Range Rover Velar models.

This part cross-references LR093044 and T2H8163 for the same application.

What It Helps Address

• Inconsistent cabin cooling performance
• Improper refrigerant metering at the evaporator
• A/C outlet air that is warmer than expected
• System performance issues tied to a worn expansion valve
• Service replacement needs on R134A HVAC systems

Installation Notes and Tips

Verify refrigerant type, fitting style, and line thread sizes before installation. Confirm the vehicle uses a block-type expansion valve with female O-ring connections and no solenoid. After installation, evacuate and recharge the system according to factory service procedures, then check for leaks and verify vent temperature and system pressures.

Quality Assurance

Four Seasons lists this expansion valve as meeting or exceeding OEM requirements. The part is specified for direct application coverage on select Jaguar and Land Rover HVAC systems, including Jaguar F-Pace, Jaguar XF, Jaguar XE, and Land Rover Range Rover Velar models.