Universal Air
Block Expansion Valve

Universal Air EX10047C A/C Expansion Valve

Brand Universal Air EX10047C
Product line Block Expansion Valve
Fits INFINITI and Nissan · 15 vehicles

Expansion valve. Regulates refrigerant flow for efficient A/C performance.

Block-style design. Compact form factor for a clean, integrated installation.

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Block Expansion Valve for Nissan and Infiniti A/C Systems

Universal Air EX10047C is a block expansion valve for select Nissan and Infiniti HVAC systems. It is used in A/C flow control applications where precise refrigerant metering is required for proper evaporator performance.

Key Features

  • Part type: A/C expansion valve
  • Brand line: Block Expansion Valve
  • Direct fitment for select Nissan Pathfinder, Infiniti QX4, and Infiniti Q45 applications
  • Fits 1996-2001 Nissan Pathfinder, N/A
  • Fits 1997-2001 Infiniti Q45, N/A
  • Fits 1997-2000 Infiniti QX4, N/A
  • Part number EX10047C for catalog and service matching

Detailed Description

Universal Air EX10047C is part of the Block Expansion Valve product line, built for vehicles that use a block-style A/C expansion valve at the evaporator circuit. This component regulates refrigerant flow into the evaporator so the HVAC system can maintain stable cooling performance. It is a fitment-based replacement for 1996-2001 Nissan Pathfinder, 1997-2001 Infiniti Q45, and 1997-2000 Infiniti QX4 applications, including the 2000 Nissan Pathfinder and 2000 Infiniti QX4 noted for use to 01/01/2000. If you are searching for an A/C expansion valve for Nissan Pathfinder or Infiniti QX4 service, EX10047C is the relevant part number to verify against the vehicle’s original block valve configuration.

What It Helps Address

  • Weak or inconsistent cabin cooling
  • Incorrect refrigerant metering at the evaporator
  • A/C performance issues tied to a worn block expansion valve
  • HVAC temperature fluctuations during operation
  • Service replacement for the original EX10047C application

Installation Notes and Tips

Confirm the vehicle uses a block expansion valve before ordering. Match the original valve style, refrigerant circuit layout, and model-year application exactly, especially on 2000 Nissan Pathfinder and 2000 Infiniti QX4 vehicles with the 01/01/2000 cutoff note. Replace related A/C seals and evacuate and recharge the system according to factory service procedures after installation.

Quality Assurance

Universal Air supplies HVAC service parts for automotive A/C repair, and EX10047C is cataloged for the listed Nissan and Infiniti applications. Verify fitment by year, model, and valve style before installation.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2001INFINITIQ45—N/ABlock Expansion Valve
2000INFINITIQ45—N/ABlock Expansion Valve
2000INFINITIQX4—N/ATo 01/01/2000; Block Expansion Valve
2000NissanPathfinder—N/ATo 01/01/2000; Block Expansion Valve
1999INFINITIQ45—N/ABlock Expansion Valve
1999INFINITIQX4—N/ABlock Expansion Valve
1999NissanPathfinder—N/ABlock Expansion Valve
1998INFINITIQ45—N/ABlock Expansion Valve
1998INFINITIQX4—N/ABlock Expansion Valve
1998NissanPathfinder—N/ABlock Expansion Valve
1997INFINITIQ45TN/ABlock Expansion Valve
1997INFINITIQ45BaseN/ABlock Expansion Valve
1997INFINITIQX4—N/ABlock Expansion Valve
1997NissanPathfinder—N/ABlock Expansion Valve
1996NissanPathfinder—N/ABlock Expansion Valve