Four Seasons 39315 A/C Expansion Valve

Four Seasons 39315 Expansion Valve

The Four Seasons 39315 A/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It regulates refrigerant flow into the evaporator to help maintain stable cooling performance in Saturn Sky and Pontiac Solstice applications.

Key Features

• Four Seasons Expansion Valve, part number 39315
• Block type design for R134A air conditioning systems
• Aluminum construction with black finish
• Female suction and liquid fittings with sealing washer connections
• Two mounting holes for direct HVAC service replacement
• Meets or exceeds OEM requirements
• Style: w/o solenoid

Product Details

Four Seasons 39315 is an A/C expansion valve for HVAC systems that need precise refrigerant metering at the evaporator inlet. This valve uses a block-type layout with female suction and liquid ports, aluminum housing, and sealing washer-style connections for the liquid and suction lines. It is specified for R134A refrigerant and is listed as a 1.5 ton unit. For Saturn Sky and Pontiac Solstice owners, this part number 39315 is a direct service option for restoring proper refrigerant control in the air conditioning circuit.

This part cross-references UAC EX10289C for the same application.

Vehicle Fitment

• Fits 2007-2010 Saturn Sky, N/A, Expansion Valve
• Fits 2006-2009 Pontiac Solstice, N/A, Expansion Valve

What It Helps Address

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance issues caused by a restricted or worn expansion valve
• Temperature fluctuations during compressor cycling
• HVAC service needs on R134A systems in Saturn Sky and Pontiac Solstice models

Installation Notes and Tips

Verify the refrigerant type, port sizes, and block-style layout before installation. Inspect sealing washers and mating surfaces for wear or contamination, and replace any damaged line seals during service. Confirm the system is properly evacuated and recharged after replacement, and follow the vehicle service procedure for the Saturn Sky or Pontiac Solstice application.

Quality Assurance

Four Seasons lists this expansion valve as meeting or exceeding OEM requirements. The part is built with aluminum construction and application-specific fittings to support accurate HVAC service replacement.