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Four Seasons 39693 A/C Expansion Valve - Front
| Brand | Four Seasons 39693 |
|---|---|
| Position | Front |
| Material | Aluminum |
| Refrigerant Type | R134a r1234yf |
| Type | Block type |
| Mounting Hardware Included | No |
| Description | Expansion valves |
| Liquid Inlet Size | No. 6 |
| Liquid Inlet Style | O-ring |
| Liquid Outlet Size | No. 12 |
| Liquid Outlet Style | O-ring |
| Meets / Exceeds OEM? | Yes |
| Style | W/o solenoid |
| Suction Inlet Size | No. 8 |
| Suction Inlet Style | O-ring |
| Suction Outlet Size | No. 12 |
| Suction Outlet Style | O-ring |
| Super Heat | -10.000 |
| Tonnage | 1.000 |
| Product line | Expansion Valve |
| Fits | Lexus and Toyota · 7 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum block type. Built for efficient refrigerant flow in the A/C system.
O-ring connections. Simplifies installation with secure, leak-resistant sealing.
Cross-references Four Seasons 39693, Nissens 9991056 and 217713 for the same application. See all 5.
Four Seasons 39693 Expansion Valve Overview
Four Seasons 39693 is a block-type A/C expansion valve built for precise refrigerant control in the HVAC system. It is an aluminum replacement part engineered for R134A and R1234YF applications, with O-ring inlet and outlet connections for a secure seal.
Compatible With 2021-2024 Toyota 4Runner and 2021-2023 Lexus GX460 front HVAC applications, this expansion valve supports stable refrigerant metering for consistent cabin cooling. Four Seasons backs the Expansion Valve line with more than 50 years of mobile A/C experience, and this part meets or exceeds OEM requirements.
Key Features
- Part number: 39693
- Block-type A/C expansion valve
- Aluminum construction
- For R134A and R1234YF refrigerants
- O-ring liquid and suction connections
- Meets or exceeds OEM specifications
- Style: without solenoid
- Designed for 1.0 tonnage applications
Product Details
The Four Seasons Expansion Valve line focuses on accurate refrigerant flow control for mobile air conditioning systems. Part number 39693 uses a block-style design with No. 6 liquid inlet, No. 12 liquid outlet, No. 8 suction inlet, and No. 12 suction outlet, all with O-ring sealing surfaces. The super heat setting is -10.000, helping support proper system operation in the specified HVAC configuration.
This part cross-references Nissens 9991056 for the same application.
Common HVAC Issues This Part Can Address
- Inconsistent cabin cooling performance
- Improper refrigerant metering through the evaporator circuit
- Temperature fluctuation from a worn expansion valve
- Restricted A/C flow caused by internal valve wear
- Loss of cooling efficiency in Toyota 4Runner or Lexus GX460 HVAC systems
Installation Notes
- Verify refrigerant type before installation: R134A or R1234YF.
- Confirm the block-type layout and O-ring connection sizes match the vehicle HVAC system.
- Inspect sealing surfaces and replace damaged O-rings as needed during service.
- Follow proper evacuation and recharge procedures after installation.
- Check system operation and vent temperatures after service to confirm correct refrigerant flow.
Quality Assurance
Four Seasons engineers and tests its HVAC components for dependable operation, drawing on decades of mobile A/C experience. Part 39693 is built to meet or exceed OEM standards for the listed applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2024 | Toyota | 4Runner | N/A | Expansion Valve |
| 2023 | Lexus | GX460 | Front | Expansion Valve |
| 2023 | Toyota | 4Runner | N/A | Expansion Valve |
| 2022 | Lexus | GX460 | Front | Expansion Valve |
| 2022 | Toyota | 4Runner | N/A | Expansion Valve |
| 2021 | Lexus | GX460 | Front | Expansion Valve |
| 2021 | Toyota | 4Runner | N/A | Expansion Valve |
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