Four Seasons 39348 A/C Expansion Valve

Four Seasons 39348 Expansion Valve

Four Seasons 39348 is a block-type A/C expansion valve for R134A systems. It is built from aluminum and uses captured O-ring connections to support precise refrigerant metering in the HVAC circuit. This expansion valve is a direct-fit style replacement for select Honda and Acura applications, including Honda Civic, Honda Accord, Honda Fit, and Acura ILX.

Key Features

• Brand: Four Seasons Expansion Valve
• Part number: 39348
• Block type A/C expansion valve for R134A refrigerant
• Aluminum construction with aluminum finish
• Female suction and liquid connections with captured O-ring sealing
• Meets or exceeds OEM requirements
• Style: w/o solenoid
• Designed for 1.5 tonnage applications

Product Details

The Four Seasons Expansion Valve line focuses on refrigerant flow control at the evaporator inlet, helping maintain proper system balance in automotive air conditioning systems. Part number 39348 uses female No. 12 suction inlet and outlet fittings, along with female No. 6 liquid inlet and No. 10 liquid outlet fittings, all in a non-threaded O-ring design. It also includes the specified green O-ring service points called out for the application. This part cross-references UAC EX10411C for the same application.

Fits 2013-2018 Acura ILX, N/A; Fits 2013-2017 Honda Accord, N/A; Fits 2012-2015 Honda Civic, N/A; Fits 2009-2013 Honda Fit, N/A. These vehicle-specific applications make Four Seasons 39348 a relevant search match for Honda Civic A/C expansion valve replacement, Honda Accord HVAC repair, and Acura ILX expansion valve service.

Common Repair Uses

• Restores refrigerant metering when the A/C system is not cooling correctly
• Addresses uneven evaporator performance caused by a restricted or worn expansion valve
• Supports repair of R134A air conditioning systems with block-style valve mounting
• Helps resolve A/C performance issues tied to incorrect refrigerant flow at the evaporator
• Provides a replacement path for Honda and Acura HVAC service applications

Installation Notes

Verify the vehicle’s refrigerant type, mounting style, and line connection sizes before installation. This valve uses captured O-ring sealing surfaces and a two-hole mounting pattern, so the mating surfaces should be clean and undamaged. Replace any worn seals during service and evacuate and recharge the system according to the vehicle manufacturer’s A/C procedures. Confirm the system is free of contamination before returning it to service.

Quality Assurance

Four Seasons 39348 is listed as meeting or exceeding OEM requirements for the specified applications. The part is built for the confirmed Honda and Acura fitments shown above and is intended for professional HVAC service on R134A systems.