HomeHVAC > A/C Flow RestrictorsFour Seasons 39686 A/C Expansion Valve
Part #: 39686

Four Seasons 39686 A/C Expansion Valve

Expansion Valve
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Expansion Valve
🚗Fitment: Acura, ILX
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Reliable A/C Expansion Valve for Acura ILX

The Four Seasons Expansion Valve 39686 is engineered to regulate refrigerant flow precisely in your Acura ILX's air conditioning system. Designed with durable aluminum and compatible with R134a refrigerant, this block-type valve ensures efficient cooling performance.

  • Constructed from lightweight, corrosion-resistant aluminum
  • Compatible with R134a refrigerant systems
  • Block type design for consistent refrigerant flow control
  • O-ring style liquid and suction inlet/outlet connections
  • Meets or exceeds OEM specifications for Acura ILX
  • Includes mounting hardware for straightforward installation
  • Designed without solenoid for specific system compatibility

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line by Four Seasons focuses on precise refrigerant metering components for automotive HVAC systems. This product line is designed to meet or exceed OEM standards, providing reliable temperature regulation and system efficiency. The 39686 valve fits within this line as a block-type valve optimized for vehicles using R134a refrigerant, such as the Acura ILX.

Detailed Product Description

The Four Seasons 39686 A/C Expansion Valve is crafted from aluminum to resist corrosion and maintain durability under varying operating conditions. It features O-ring style connections for both liquid and suction inlets and outlets, sized No. 6, No. 10, and No. 12 respectively, ensuring a secure and leak-free fit. The valve operates without a solenoid, suitable for specific Acura ILX HVAC configurations. With a superheat rating of -6.000 and a tonnage rating of 1, this valve effectively controls refrigerant flow to maintain optimal cooling performance.

Common Issues Addressed by This Expansion Valve

  • Inconsistent cabin cooling due to faulty refrigerant flow
  • HVAC system pressure imbalances causing inefficient operation
  • Leaks or damage in the expansion valve leading to A/C failure
  • Reduced cooling capacity in Acura ILX models with R134a systems
  • Replacement of OEM valves that no longer meet performance standards

Installation Notes and Tips

Ensure the system is properly evacuated and free of contaminants before installing the Four Seasons 39686 expansion valve. Verify all O-rings are seated correctly to prevent leaks. This valve is designed for direct replacement in Acura ILX models using R134a refrigerant. Follow manufacturer torque specifications for mounting hardware to avoid damage.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39686 meets or exceeds OEM specifications, providing reliable performance for Acura ILX air conditioning systems. Manufactured with high-quality aluminum and precision engineering, this valve is backed by Four Seasons' quality standards. Please refer to Four Seasons' official warranty policy for coverage details.

BrandFour Seasons
Part Number39686
PositionExpansion Valve
MaterialAluminum
Refrigerant TypeR134a
TypeBlock type
Mounting Hardware IncludedYes
DescriptionExpansion valves
Liquid Inlet SizeNo. 6
Liquid Inlet StyleO-ring
Liquid Outlet SizeNo. 10
Liquid Outlet StyleO-ring
Meets / Exceeds OEM?Yes
StyleW/o solenoid
Suction Inlet SizeNo. 12
Suction Inlet StyleO-ring
Suction Outlet SizeNo. 12
Suction Outlet StyleO-ring
Super Heat-6.000
Tonnage1

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2022AcuraILXN/AExpansion Valve
2021AcuraILXN/AExpansion Valve
2020AcuraILXN/AExpansion Valve
2019AcuraILXN/AExpansion 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:

2177023968680221T3RA419991052

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