Four Seasons 39438 Block Type A/C Expansion Valve

The Four Seasons 39438 is a block-type expansion valve designed for automotive air conditioning systems. This precision-engineered component regulates refrigerant flow to maintain optimal cabin temperature and ensure efficient A/C system performance. Manufactured without a solenoid, this expansion valve features aluminum construction with precision-machined ports for reliable sealing and long-lasting operation.

Key Features:

• Block-type design without solenoid for specific system applications
• Aluminum construction for durability and corrosion resistance
• Precision-machined ports ensure proper refrigerant flow and sealing
• Engineered to meet or exceed OE fit, form, and function requirements
• Includes O-rings, gaskets, and seals for complete installation
• Calibrated for optimum cabin comfort with proper tonnage, superheat, and maximum operating pressure (MOP) specifications
• Two mounting holes for secure installation
• Female inlet and outlet connections with captured O-ring design

Four Seasons is the largest aftermarket climate control parts supplier in the industry, backed by over 50 years of mobile A/C experience. Each expansion valve is tested, validated, and inspected to ensure premium quality and trouble-free operation. The valve features liquid inlet size No. 6 with sealing washer style and liquid outlet size No. 8 with O-ring type connection.

OEM Cross-References: Chrysler 68138269AA, 68138269AB | Aftermarket Cross-References: UAC EX9740C, NAPA 217438, Santech MT55117