HomeHVAC > A/C Flow RestrictorsUniversal Air EX10048C A/C Expansion Valve
Part #: EX10048C

Universal Air EX10048C A/C Expansion Valve

Thermal Expansion Valve
15 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$46.35Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Thermal Expansion Valve
Fitment: INFINITI and Nissan, Q45, Maxima, Stanza, and Pathfinder
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Universal Air Thermal Expansion Valve EX10048C

The Universal Air Thermal Expansion Valve EX10048C is designed to regulate refrigerant flow in automotive air conditioning systems. This A/C expansion valve is compatible with select INFINITI and Nissan models, including the Maxima, Pathfinder, and Q45, ensuring precise temperature control and system efficiency.

  • Compatible with INFINITI Maxima, Nissan Pathfinder, and Nissan Q45
  • Part number EX10048C for accurate identification
  • Controls refrigerant flow in HVAC systems
  • Part of the Universal Air Thermal Expansion Valve product line
  • Designed for reliable A/C system performance

About the Thermal Expansion Valve Product Line

The Thermal Expansion Valve line from Universal Air focuses on components that precisely regulate refrigerant flow within automotive air conditioning systems. This product line is engineered to maintain optimal pressure and temperature balance, contributing to efficient cooling performance. The EX10048C valve is a key part of this line, tailored to fit specific INFINITI and Nissan vehicles for dependable HVAC operation.

Detailed Product Description

The EX10048C A/C expansion valve by Universal Air plays a critical role in the HVAC system by controlling the amount of refrigerant entering the evaporator. This regulation helps maintain consistent cabin temperatures and prevents system overload. Compatible with INFINITI Maxima, Nissan Pathfinder, and Nissan Q45 models, this valve ensures proper fitment and function. Using the correct part number EX10048C guarantees compatibility and system integrity.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or insufficient cooling in the vehicle cabin
  • Refrigerant flow irregularities causing HVAC inefficiency
  • System pressure imbalances leading to compressor strain
  • Frost buildup on evaporator coils due to improper refrigerant metering
  • Reduced overall air conditioning system performance

Installation Notes and Tips

  • Ensure vehicle compatibility with INFINITI Maxima, Nissan Pathfinder, or Nissan Q45 before installation
  • Follow manufacturer guidelines for refrigerant handling and system evacuation
  • Inspect related HVAC components for wear or damage during replacement
  • Use proper tools to avoid damage to the valve or surrounding parts
  • Test the A/C system after installation to confirm proper operation

Quality Assurance and Warranty

Universal Air provides quality components designed to meet OEM specifications. The Thermal Expansion Valve EX10048C undergoes rigorous testing to ensure durability and performance in compatible INFINITI and Nissan models. Warranty details should be confirmed with the supplier or manufacturer to ensure coverage terms.

This part fits 15 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
1996INFINITIQ45N/AThermal Expansion Valve
1995INFINITIQ45N/AThermal Expansion Valve
1994INFINITIQ45BaseN/AThermal Expansion Valve
1994INFINITIQ45TN/AThermal Expansion Valve
1994INFINITIQ45AN/AThermal Expansion Valve
1993INFINITIQ45N/AThermal Expansion Valve
1992INFINITIQ45N/AThermal Expansion Valve
1992NissanMaximaSEN/AThermal Expansion Valve
1992NissanMaximaGXEN/AThermal Expansion Valve
1991INFINITIQ45N/AThermal Expansion Valve
1991NissanMaximaSEN/AThermal Expansion Valve
1991NissanMaximaGXEN/AThermal Expansion Valve
1991NissanPathfinderN/AThermal Expansion Valve
1990INFINITIQ45N/AThermal Expansion Valve
1990NissanPathfinderN/AThermal Expansion Valve

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.