HomeHVAC > A/C Flow RestrictorsUniversal Air EX10186C A/C Expansion Valve - Rear
Part #: EX10186C

Universal Air EX10186C A/C Expansion Valve - Rear

Block Expansion Valve, Rear
33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Block Expansion Valve, Rear
Fitment: Nissan and INFINITI, Armada, Pathfinder, QX56, Quest, and Pathfinder Armada
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Reliable A/C Expansion Valve for Nissan and INFINITI Vehicles

The Universal Air Block Expansion Valve EX10186C is designed to regulate refrigerant flow in the air conditioning systems of select Nissan and INFINITI models. This A/C expansion valve ensures proper cooling performance and system efficiency for vehicles like the Nissan Pathfinder and INFINITI QX56.

Key Features of the Universal Air EX10186C

  • Compatible with Nissan Armada, Pathfinder, Pathfinder Armada, Quest, and INFINITI QX56
  • Part of the Universal Air Block Expansion Valve product line
  • Controls refrigerant flow to maintain optimal A/C system pressure
  • Durable construction for consistent HVAC performance
  • OEM-quality fitment for direct replacement

About the Block Expansion Valve Product Line

The Block Expansion Valve line by Universal Air focuses on precise refrigerant flow control within automotive HVAC systems. This product line is engineered to meet the specific flow restriction requirements of various vehicle models, including the Nissan and INFINITI vehicles compatible with the EX10186C. Using a block expansion valve helps maintain system balance and improves overall air conditioning efficiency.

Detailed Product Description

The EX10186C A/C expansion valve from Universal Air is designed to replace the original valve in Nissan and INFINITI vehicles such as the Armada, Pathfinder, Pathfinder Armada, Quest, and QX56. This valve regulates the flow of refrigerant entering the evaporator, ensuring the air conditioning system operates within the correct pressure range. Proper function of the expansion valve is critical to prevent issues like evaporator freezing or insufficient cooling. The valve's design matches OEM specifications to provide a reliable and precise fit, helping maintain the vehicle’s HVAC system performance.

Common Issues Addressed by the EX10186C Expansion Valve

  • Inconsistent or weak air conditioning cooling
  • Evaporator freezing due to improper refrigerant flow
  • High or low system pressure causing A/C inefficiency
  • Refrigerant leaks or valve blockages
  • HVAC system cycling on and off frequently

Installation Notes and Tips

  • Ensure the vehicle is compatible: Nissan Armada, Pathfinder, Pathfinder Armada, Quest, or INFINITI QX56
  • Follow manufacturer guidelines for refrigerant recovery before removal
  • Inspect the A/C system for leaks or damage prior to installation
  • Replace the expansion valve with part number EX10186C for proper fit
  • Test the A/C system after installation to confirm correct operation

Quality Assurance and Warranty

The Universal Air EX10186C expansion valve is manufactured to meet industry standards for HVAC components. While specific warranty details are not provided, Universal Air products typically undergo quality control to ensure durability and performance. Using this valve helps maintain the integrity of your vehicle’s air conditioning system.

This part fits 33 vehicles. Search below:

YearMakeModelPositionNotes
2015NissanArmadaRearBlock Expansion Valve
2014NissanArmadaRearBlock Expansion Valve
2013NissanArmadaRearBlock Expansion Valve
2012NissanArmadaRearBlock Expansion Valve
2012NissanPathfinderRearBlock Expansion Valve
2011NissanArmadaRearBlock Expansion Valve
2011NissanPathfinderRearBlock Expansion Valve
2010INFINITIQX56RearBlock Expansion Valve
2010NissanArmadaRearBlock Expansion Valve
2010NissanPathfinderRearBlock Expansion Valve
2009INFINITIQX56RearBlock Expansion Valve
2009NissanArmadaRearBlock Expansion Valve
2009NissanPathfinderRearBlock Expansion Valve
2009NissanQuestRearBlock Expansion Valve
2008INFINITIQX56RearBlock Expansion Valve
2008NissanArmadaRearBlock Expansion Valve
2008NissanPathfinderRearBlock Expansion Valve
2008NissanQuestRearBlock Expansion Valve
2007INFINITIQX56RearBlock Expansion Valve
2007NissanArmadaRearBlock Expansion Valve
2007NissanPathfinderRearBlock Expansion Valve
2007NissanQuestRearBlock Expansion Valve
2006INFINITIQX56RearBlock Expansion Valve
2006NissanArmadaRearBlock Expansion Valve
2006NissanPathfinderRearBlock Expansion Valve
2006NissanQuestRearBlock Expansion Valve
2005INFINITIQX56RearBlock Expansion Valve
2005NissanArmadaRearBlock Expansion Valve
2005NissanPathfinderRearBlock Expansion Valve
2005NissanQuestRearBlock Expansion Valve
2004INFINITIQX56RearBlock Expansion Valve
2004NissanPathfinder ArmadaRearBlock Expansion Valve
2004NissanQuestRearBlock 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.