Four Seasons 39453 A/C Expansion Valve

Four Seasons 39453 Expansion Valve

The Four Seasons 39453 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It is an aluminum replacement part for the 2013-2017 Hyundai Veloster and is listed as meeting or exceeding OEM requirements.

Key Features

• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with aluminum finish
• Female insert O-ring liquid and suction connections
• Two mounting holes for secure installation
• OE-style replacement for 2013-2017 Hyundai Veloster A/C service
• Four Seasons 39453 cross-references Global Parts Distributors LLC 3411905 for the same application

Product Details

Four Seasons Expansion Valve 39453 is engineered for HVAC systems that use a block-style expansion valve layout. The valve features female O-ring inlet and outlet connections, including No. 5 and No. 10 thread diameters where specified, and is configured without a solenoid. It is designed for 1.5 ton applications and is listed with a super heat setting of -0.8. For buyers searching for a Hyundai Veloster A/C expansion valve, Four Seasons 39453 provides a direct replacement option for the 2013-2017 model years.

The Four Seasons expansion valve line focuses on replacement HVAC flow control components for service work where refrigerant metering and system balance matter. This part number, 39453, is a fitment-based choice for Hyundai Veloster owners and technicians looking for an OE-style A/C expansion valve for R134A systems.

Common Problems This Part Can Address

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance issues caused by a worn or restricted expansion valve
• Temperature fluctuations during compressor cycling
• Service replacement for a leaking or damaged valve body

Installation Notes

Verify refrigerant type, line connection style, and mounting-hole alignment before installation. This valve uses female insert O-ring connections, so the sealing surfaces should be clean and the correct O-rings should be used during service. Confirm system cleanliness and evacuate and recharge the A/C system according to factory procedures after replacement. Fits 2013-2017 Hyundai Veloster, N/A.

Quality Assurance

Four Seasons lists this expansion valve as meeting or exceeding OEM specifications. Part number 39453 is built as a direct replacement HVAC component for service technicians and vehicle owners maintaining factory-style A/C performance on the Hyundai Veloster.