Four Seasons 39217 A/C Expansion Valve

Four Seasons 39217 Expansion Valve Overview

Four Seasons 39217 is a TXV-style A/C expansion valve for R134A systems with a brass body. It regulates refrigerant flow into the evaporator to help maintain proper cooling performance in the HVAC system. This expansion valve is listed for 1991-2005 Acura NSX applications.

Key Features

• TXV expansion valve for A/C flow control
• Brass construction
• Configured for R134A refrigerant systems
• Direct-fit HVAC service part for Acura NSX applications
• Four Seasons Expansion Valve line

Product Details

The Four Seasons Expansion Valve line focuses on refrigerant metering components used in automotive air conditioning systems. Part number 39217 is built as a thermal expansion valve, which helps control refrigerant delivery based on evaporator demand. For Acura NSX owners servicing the HVAC system, Four Seasons 39217 provides a replacement option for restoring refrigerant flow regulation in R134A-equipped vehicles. This part cross-references UAC EX10244C for the same application.

What This Part Helps Address

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance loss caused by a worn expansion valve
• Temperature fluctuation in the HVAC system
• Service replacement for Acura NSX A/C repairs

Installation Notes and Tips

Verify the vehicle’s refrigerant type and HVAC configuration before installation. Replace the expansion valve during A/C service when the system has been opened, and inspect related components such as the evaporator, lines, and seals for contamination or wear. Proper evacuation and recharge procedures are required after installation. Fits 1991-2005 Acura NSX, N/A.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service components, and this expansion valve is built for R134A applications with a brass TXV design. Part number 39217 is listed with confirmed Acura NSX fitment for 1991-2005 model years.