Universal Air EX10186C A/C Expansion Valve - Rear

Rear A/C Expansion Valve for Nissan and INFINITI

Universal Air EX10186C is a block expansion valve for rear HVAC A/C flow control. It is listed for select Nissan Armada, Pathfinder, Quest, Pathfinder Armada, and INFINITI QX56 applications with rear air conditioning.

Key Features

• Block expansion valve for rear A/C refrigerant metering
• Fits 2005-2015 Nissan Armada, rear
• Fits 2005-2012 Nissan Pathfinder, rear
• Fits 2004-2010 INFINITI QX56, rear
• Fits 2004-2009 Nissan Quest, rear
• Fits 2004 Nissan Pathfinder Armada, rear
• Universal Air Block Expansion Valve line
• Part number EX10186C

Detailed Description

This A/C expansion valve regulates refrigerant flow into the rear evaporator circuit, helping the HVAC system maintain proper cooling performance. Universal Air EX10186C is a direct-fit style block expansion valve for rear-position systems on the Nissan Armada, Nissan Pathfinder, Nissan Quest, Nissan Pathfinder Armada, and INFINITI QX56 listed above. This part number, EX10186C, is used for rear HVAC service where the original valve is restricted, leaking, or no longer controlling refrigerant flow correctly.

This part cross-references no listed interchange numbers in the provided data.

What It Is Used For

• Rear A/C outlet air that is warm or inconsistent
• Refrigerant flow restriction at the rear evaporator
• HVAC performance loss after valve contamination or wear
• Pressure control issues in the rear air conditioning circuit
• Service replacement for a failed rear block expansion valve

Installation Notes and Tips

Verify the vehicle year, make, model, and rear HVAC configuration before ordering. Match the original block-style valve layout and refrigerant line connections to the removed part. After installation, evacuate and recharge the system according to factory service procedures, and inspect for leaks before returning the vehicle to service.

Quality Assurance

Universal Air EX10186C is cataloged as an A/C expansion valve for the listed rear applications and should be matched to the vehicle’s original HVAC configuration for proper fitment.