Universal Air EX9703C A/C Expansion Valve

Universal Air EX9703C Block Expansion Valve

The Universal Air Block Expansion Valve, part number EX9703C, is an A/C flow restrictor used in automotive HVAC systems to regulate refrigerant flow through the evaporator circuit. It is a direct-fit style service part for technicians and owners replacing a worn or restricted expansion valve on vehicles such as Honda Civic and Toyota Corolla applications where this component is specified.

Key Features

• Universal Air Block Expansion Valve for automotive air conditioning service
• Part number EX9703C for ordering and cross-reference use
• Controls refrigerant metering in the HVAC system
• Fits vehicle-specific A/C repair applications where this valve is listed
• Relevant for Honda Civic and Toyota Corolla A/C service searches

Product Details

EX9703C is a block-style A/C expansion valve used to meter refrigerant entering the evaporator, helping the HVAC system maintain proper cooling performance and pressure balance. When the original valve is restricted, leaking, or no longer regulating flow correctly, this replacement supports restoration of normal A/C operation. Search terms such as Honda Civic A/C expansion valve replacement, Toyota Corolla HVAC flow restrictor, and EX9703C block expansion valve all point to this type of service part.

Common Repair Symptoms

• Weak or inconsistent cabin cooling
• Erratic evaporator performance
• High or low side pressure imbalance in the A/C system
• Restricted refrigerant flow through the HVAC circuit
• Need for a replacement during A/C system repair on Honda Civic or Toyota Corolla models

Installation Notes

Verify the original valve style and system configuration before installation. Recover refrigerant, inspect the evaporator and lines for contamination, and replace any damaged seals or related service components as required by the repair procedure. Confirm the part number EX9703C matches the vehicle application before reassembly.

Quality Assurance

Universal Air supplies HVAC service components for automotive A/C repair, and EX9703C is identified as a Block Expansion Valve in the A/C flow restrictor category. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.