Universal Air EX10139C A/C Expansion Valve

Brand	Universal Air EX10139C
Product line	Thermal Expansion Valve
Fits	Mazda and Subaru · 5 vehicles

Thermal expansion valve. Regulates refrigerant flow for consistent A/C performance.

A/C flow restrictor for precise refrigerant control.

$28.27Free shipping

In stock · usually ships same day before 1pm CST

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Thermal Expansion Valve for Mazda A/C Service

Universal Air EX10139C is a thermal expansion valve for automotive air conditioning systems. It is listed for select 2001-2003 Mazda Protege and 2002-2003 Mazda Protege5 applications, making it a direct-fit search term for Mazda Protege A/C expansion valve replacement and Mazda Protege5 thermal expansion valve service.

Key Features

Thermal expansion valve for HVAC A/C flow control
Fits 2001-2003 Mazda Protege, N/A
Fits 2002-2003 Mazda Protege5, N/A
Universal Air part number EX10139C
Useful for restoring refrigerant metering at the evaporator

Product Details

The Universal Air Thermal Expansion Valve, part number EX10139C, regulates refrigerant flow into the evaporator so the A/C system can maintain proper cooling performance. This valve is cataloged for Mazda Protege and Mazda Protege5 models in the 2001-2003 range, and it is a practical replacement when the original valve is restricted, sticking, or no longer controlling refrigerant flow correctly. If you are searching for a Mazda Protege A/C expansion valve or a Mazda Protege5 thermal expansion valve, EX10139C matches those vehicle-specific applications.

Common Issues This Part Addresses

Weak or inconsistent cabin cooling
Evaporator refrigerant flow restriction
A/C performance loss from a sticking metering valve
Temperature swings at the vents
System inefficiency caused by improper refrigerant control

Installation Notes and Tips

Verify the vehicle year and model before ordering. This part is listed for Fits 2001-2003 Mazda Protege, N/A and Fits 2002-2003 Mazda Protege5, N/A. Inspect the A/C system for contamination, leaks, and related wear before installing a new expansion valve, and follow the vehicle service procedure for refrigerant recovery, evacuation, and recharge.

Quality Assurance

Universal Air catalogs this thermal expansion valve under EX10139C for the specified Mazda applications. Confirm the part number and fitment against the vehicle before installation.

This part fits 5 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2003	Mazda	Protege	N/A	Thermal Expansion Valve
2003	Mazda	Protege5	N/A	Thermal Expansion Valve
2002	Mazda	Protege	N/A	Thermal Expansion Valve
2002	Mazda	Protege5	N/A	Thermal Expansion Valve
2001	Mazda	Protege	N/A	Thermal Expansion Valve
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