Four Seasons 39053 A/C Expansion Valve

Four Seasons 39053 Expansion Valve

The Four Seasons 39053 A/C expansion valve is a TXV-style refrigerant flow control component for R134A systems. Built with a brass body and a 1.5 super heat setting, it helps regulate refrigerant delivery across the evaporator for stable HVAC performance.

Use this Four Seasons expansion valve when servicing a Mazda Miata, Mazda Protege, or Mazda MX-3 A/C system that calls for part number 39053.

Key Features

• Brand: Four Seasons Expansion Valve
• Part number: 39053
• TXV design for A/C refrigerant metering
• R134A refrigerant type
• Brass construction
• Super heat setting: 1.5

Product Details

Four Seasons 39053 is an A/C expansion valve for HVAC flow restriction and refrigerant control in R134A-equipped systems. As a TXV, it meters refrigerant into the evaporator based on system demand, helping maintain proper cooling performance in the Mazda Miata, Mazda Protege, and Mazda MX-3 applications listed below. This part cross-references Gates 39169 for the same application.

Vehicle Fitment

• Fits 1999-2000 Mazda Miata, N/A
• Fits 1995-1998 Mazda Protege, N/A
• Fits 1994-1996 Mazda MX-3, N/A

Common Repair Symptoms

• Inconsistent cabin cooling from restricted refrigerant flow
• Warm air from the vents during A/C operation
• Evaporator performance issues caused by a worn TXV
• Improper superheat control in the A/C circuit
• Need for a direct replacement expansion valve during HVAC service

Installation Notes

Verify the vehicle’s A/C system uses R134A and confirm the original valve specification before installation. Inspect the surrounding HVAC components, seals, and refrigerant lines during service, and evacuate and recharge the system according to factory procedures after replacement.

Quality Assurance

Four Seasons supplies HVAC service parts for automotive A/C repair, and this expansion valve is built to match the listed application requirements for the Mazda Miata, Mazda Protege, and Mazda MX-3.