HomeHVAC > A/C Flow RestrictorsUniversal Air EX9770C A/C Expansion Valve - Rear
Part #: EX9770C

Universal Air EX9770C A/C Expansion Valve - Rear

Block Expansion Valve, Rear
24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Block Expansion Valve, Rear
Fitment: Porsche, Cayenne
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Reliable A/C Expansion Valve for Porsche Cayenne

The Universal Air Block Expansion Valve EX9770C is designed specifically for Porsche Cayenne models, ensuring precise control of refrigerant flow in your vehicle's air conditioning system. This part helps maintain optimal cooling performance and system efficiency.

  • Compatible with Porsche Cayenne A/C systems
  • Part number EX9770C for accurate identification
  • Part of the Universal Air Block Expansion Valve product line
  • Controls refrigerant flow to regulate cabin temperature
  • Durable construction for consistent HVAC performance

About the Universal Air Block Expansion Valve Line

The Block Expansion Valve product line from Universal Air focuses on providing reliable A/C flow restrictors that meet OEM specifications. These valves are engineered to regulate refrigerant flow precisely, which is critical for maintaining the efficiency and longevity of automotive air conditioning systems. The EX9770C is part of this line, tailored to fit Porsche Cayenne models and ensure proper HVAC operation.

Product Details and Functionality

The EX9770C A/C expansion valve plays a vital role in the Porsche Cayenne's air conditioning system by controlling the amount of refrigerant entering the evaporator. This regulation is essential for maintaining the correct pressure and temperature balance, which directly affects the cooling capacity and comfort inside the vehicle. Using a compatible expansion valve like the EX9770C helps prevent issues such as compressor overload and uneven cooling.

Common Issues Addressed by This Expansion Valve

  • Inconsistent cabin cooling or warm air blowing from vents
  • Refrigerant flow irregularities causing system inefficiency
  • Compressor cycling or failure due to improper refrigerant regulation
  • Reduced A/C system performance in Porsche Cayenne vehicles
  • Potential damage to other HVAC components from faulty expansion valves

Installation Notes and Tips

Installation of the EX9770C expansion valve should be performed by a qualified technician familiar with Porsche Cayenne HVAC systems. Proper evacuation and recharging of the refrigerant are necessary to ensure system integrity. Verify the part number EX9770C matches your vehicle’s requirements before installation to avoid compatibility issues.

Quality Assurance and Warranty

Universal Air manufactures the EX9770C expansion valve to meet industry standards for durability and performance. While specific warranty details are not provided here, Universal Air products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

This part fits 24 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2015PorscheCayenneRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneBaseRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneGTSRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneTurbo SRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneS HybridRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneSRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneTurboRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneDieselRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2014PorscheCayenneDiesel Platinum EditionRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2013PorscheCayenneRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2012PorscheCayenneRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2011PorscheCayenneRearMust Use with Part Number(s) 95557231910; 1st Design; Block Expansion Valve
2010PorscheCayenneS4.8LV8RearBlock Expansion Valve
2010PorscheCayenneBase3.6LV6RearBlock Expansion Valve
2010PorscheCayenneTurbo4.8LV8RearBlock Expansion Valve
2010PorscheCayenneGTS4.8LV8RearBlock Expansion Valve
2010PorscheCayenneTurbo S4.8LV8RearBlock Expansion Valve
2010PorscheCayenneS Transsyberia4.8LV8RearBlock Expansion Valve
2009PorscheCayenneRearBlock Expansion Valve
2008PorscheCayenneRearBlock Expansion Valve
2006PorscheCayenneRearBlock Expansion Valve
2005PorscheCayenneRearBlock Expansion Valve
2004PorscheCayenneRearBlock Expansion Valve
2003PorscheCayenneRearBlock 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.