HomeHVAC > A/C Flow RestrictorsFour Seasons 39689 A/C Expansion Valve
Part #: 39689

Four Seasons 39689 A/C Expansion Valve

Expansion Valve
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Expansion Valve
🚗Fitment: Chevrolet, Bolt EUV and Bolt EV
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Reliable A/C Expansion Valve for Chevrolet Bolt EV and Bolt EUV

The Four Seasons Expansion Valve 39689 is engineered to regulate refrigerant flow in your Chevrolet Bolt EV or Bolt EUV's air conditioning system. Designed with durable aluminum and compatible with R134a refrigerant, this block-type valve ensures efficient cooling performance.

Key Features of Four Seasons Expansion Valve 39689

  • Constructed from lightweight, corrosion-resistant aluminum
  • Compatible with R134a refrigerant systems
  • Block type design without solenoid for precise flow control
  • Liquid and suction ports feature O-ring style seals for secure connections
  • Liquid inlet size No. 6 and outlet size No. 8
  • Suction inlet size No. 10 and outlet size No. 12
  • Meets or exceeds OEM specifications for Chevrolet Bolt EV and Bolt EUV
  • Includes mounting hardware for straightforward installation
  • Designed for 1-ton A/C systems with a superheat value of -0.5

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line emphasizes OEM compatibility and durability, providing reliable temperature regulation and system efficiency. The 39689 valve is part of this line, tailored specifically for electric vehicles like the Chevrolet Bolt EV and Bolt EUV.

Detailed Product Description

The Four Seasons Expansion Valve 39689 is a block-type A/C flow restrictor designed to regulate refrigerant flow in R134a systems. Its aluminum construction offers resistance to corrosion and heat, contributing to long service life. The valve features O-ring style liquid and suction inlet and outlet ports, ensuring leak-free connections. Sized appropriately for the Chevrolet Bolt EV and Bolt EUV, it supports a 1-ton cooling capacity with a superheat rating of -0.5, maintaining optimal system performance without a solenoid. This valve meets or exceeds OEM standards, making it a reliable replacement part for maintaining your vehicle's air conditioning efficiency.

Common Applications and Issues Addressed

  • Restores proper refrigerant flow in Chevrolet Bolt EV and Bolt EUV A/C systems
  • Resolves inconsistent cabin cooling or fluctuating temperatures
  • Prevents compressor damage caused by improper refrigerant metering
  • Eliminates refrigerant leaks due to worn or damaged expansion valves
  • Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39689, ensure all O-ring seals are properly seated to prevent leaks. Verify compatibility with your Chevrolet Bolt EV or Bolt EUV model year and refrigerant type (R134a). It is recommended to evacuate and recharge the A/C system after installation to maintain optimal performance. Use the included mounting hardware to secure the valve firmly in place.

Quality Assurance and Warranty

This Four Seasons Expansion Valve meets or exceeds OEM specifications for fit, form, and function. Manufactured with high-quality aluminum and precision engineering, it is designed for durability and reliable operation. Please refer to Four Seasons' warranty policy for coverage details on this part number 39689.

BrandFour Seasons
Part Number39689
PositionExpansion Valve
MaterialAluminum
Refrigerant TypeR134a
TypeBlock type
Mounting Hardware IncludedYes
DescriptionExpansion valves
Liquid Inlet SizeNo. 6
Liquid Inlet StyleO-ring
Liquid Outlet SizeNo. 8
Liquid Outlet StyleO-ring
Meets / Exceeds OEM?Yes
StyleW/o solenoid
Suction Inlet SizeNo. 10
Suction Inlet StyleO-ring
Suction Outlet SizeNo. 12
Suction Outlet StyleO-ring
Super Heat-0.5
Tonnage1

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2023ChevroletBolt EUVN/AExpansion Valve
2023ChevroletBolt EVN/AExpansion Valve
2022ChevroletBolt EUVN/AExpansion Valve
2022ChevroletBolt EVN/AExpansion Valve
2021ChevroletBolt EVN/AExpansion Valve
2020ChevroletBolt EVN/AExpansion Valve
2019ChevroletBolt EVN/AExpansion Valve
2018ChevroletBolt EVN/AExpansion Valve
2017ChevroletBolt EVN/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:

15278666217705341197339689EX10688C

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