Universal Air EX10403C A/C Expansion Valve - Front

Overview of Universal Air Block Expansion Valve EX10403C

The Universal Air Block Expansion Valve EX10403C is designed to regulate refrigerant flow in automotive A/C systems. This A/C expansion valve is compatible with a wide range of Nissan and INFINITI models, ensuring precise temperature control and efficient air conditioning performance.

• Compatible with Nissan and INFINITI vehicles including 370Z, Altima, Maxima, Murano, Pathfinder, Rogue, TITAN, and multiple INFINITI models
• Part number EX10403C for accurate identification and fitment
• Part of the Universal Air Block Expansion Valve product line, engineered for reliable refrigerant flow restriction
• Designed to maintain optimal A/C system pressure and temperature regulation
• Direct replacement for OEM expansion valves in specified models

About the Block Expansion Valve Product Line

The Block Expansion Valve line by Universal Air focuses on delivering precise control of refrigerant flow within automotive air conditioning systems. This product line is engineered to meet the specific flow restriction requirements of various vehicle models, including those from Nissan and INFINITI. The EX10403C valve ensures consistent performance by maintaining proper pressure differentials, which is critical for efficient cooling and system longevity.

Detailed Product Description

The EX10403C A/C expansion valve from Universal Air is a critical component in the HVAC system of select Nissan and INFINITI vehicles. It functions by regulating the amount of refrigerant entering the evaporator, which directly affects the cooling efficiency and comfort inside the vehicle cabin. This valve is compatible with models such as the Nissan Altima, 370Z, Rogue, TITAN, and INFINITI Q50, FX35, and G37 among others. Its precise engineering ensures that the refrigerant flow is controlled to match the system’s cooling demands, preventing issues like evaporator freezing or insufficient cooling.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in A/C systems experiencing inconsistent cooling
• Prevents evaporator freeze-up caused by faulty expansion valves
• Eliminates fluctuating cabin temperatures due to improper refrigerant metering
• Addresses A/C system pressure imbalances that reduce cooling efficiency
• Replaces worn or damaged expansion valves in Nissan and INFINITI HVAC systems

Installation Notes and Tips

• Ensure compatibility by verifying vehicle make and model against the fitment list
• Follow manufacturer guidelines for refrigerant recovery and system evacuation before installation
• Inspect related A/C components such as the condenser and evaporator for damage or leaks
• Use proper torque specifications when mounting the expansion valve to avoid leaks
• Test the A/C system after installation to confirm proper cooling performance

Quality Assurance and Warranty

The Universal Air Block Expansion Valve EX10403C is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliable operation in compatible Nissan and INFINITI vehicles. For warranty information, consult the product documentation or contact the supplier directly.