HomeHVAC > A/C Flow RestrictorsFour Seasons 39693 A/C Expansion Valve - Front
Part #: 39693

Four Seasons 39693 A/C Expansion Valve - Front

Expansion Valve, Front
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Expansion Valve, Front
🚗Fitment: Lexus and Toyota, 4Runner and GX460
🔄Easy Returns — Return within 60 days for a full refund
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Reliable A/C Expansion Valve for Lexus and Toyota Vehicles

The Four Seasons Expansion Valve 39693 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for Lexus 4Runner and Toyota GX460 models, this aluminum block-type valve ensures efficient cooling performance with R134a and R1234yf refrigerants.

  • Constructed from durable aluminum for long-lasting use
  • Compatible with R134a and R1234yf refrigerants
  • Block type design without solenoid for precise flow control
  • O-ring style liquid and suction inlet/outlet connections
  • Meets or exceeds OEM specifications for reliable fit and function

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line emphasizes OEM compatibility and material quality, providing block-type valves that maintain system efficiency and durability. The 39693 valve is part of this line, designed to meet the specific requirements of select Lexus and Toyota models.

Detailed Product Description

The Four Seasons 39693 A/C Expansion Valve is crafted from aluminum, offering corrosion resistance and strength. It features a block-type design without a solenoid, suitable for vehicles using R134a or R1234yf refrigerants. The valve includes O-ring style liquid inlet (No. 6) and outlet (No. 12) connections, as well as suction inlet (No. 8) and outlet (No. 12) ports, ensuring a secure and leak-resistant fit. With a superheat rating of -10.000 and a tonnage capacity of 1.000, this valve helps maintain optimal refrigerant flow and system pressure for effective air conditioning performance in Lexus 4Runner and Toyota GX460 models.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or insufficient cooling due to faulty refrigerant flow
  • Air conditioning system pressure imbalances
  • Leaks or failures in the expansion valve causing system inefficiency
  • Replacement for worn or damaged OEM expansion valves
  • Compatibility issues with R134a or R1234yf refrigerant systems

Installation Notes and Tips

This expansion valve is designed for direct replacement in compatible Lexus 4Runner and Toyota GX460 models. Ensure all O-rings are properly seated to prevent leaks. Since mounting hardware is not included, retain original fasteners or source appropriate hardware separately. Proper evacuation and recharge of the A/C system with the correct refrigerant type (R134a or R1234yf) is essential after installation.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39693 meets or exceeds OEM standards, ensuring reliable performance and fitment. Manufactured with high-quality aluminum and tested for durability, this valve supports consistent HVAC operation. Warranty details should be confirmed with the product documentation or manufacturer.

BrandFour Seasons
Part Number39693
PositionExpansion Valve, Front
MaterialAluminum
Refrigerant TypeR134a r1234yf
TypeBlock type
Mounting Hardware IncludedNo
DescriptionExpansion valves
Liquid Inlet SizeNo. 6
Liquid Inlet StyleO-ring
Liquid Outlet SizeNo. 12
Liquid Outlet StyleO-ring
Meets / Exceeds OEM?Yes
StyleW/o solenoid
Suction Inlet SizeNo. 8
Suction Inlet StyleO-ring
Suction Outlet SizeNo. 12
Suction Outlet StyleO-ring
Super Heat-10.000
Tonnage1.000

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2024Toyota4RunnerN/AExpansion Valve
2023LexusGX460FrontExpansion Valve
2023Toyota4RunnerN/AExpansion Valve
2022LexusGX460FrontExpansion Valve
2022Toyota4RunnerN/AExpansion Valve
2021LexusGX460FrontExpansion Valve
2021Toyota4RunnerN/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:

2177133969388515602509991056A99579

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