Four Seasons 39433 A/C Expansion Valve

Overview of Four Seasons Expansion Valve 39433

The Four Seasons Expansion Valve 39433 is designed specifically for Nissan Maxima models, ensuring precise control of refrigerant flow in the vehicle's air conditioning system. Crafted from durable aluminum, this block-type A/C expansion valve is engineered to meet or exceed OEM standards for reliable performance with R134a refrigerant.

• Material: Aluminum construction for durability and corrosion resistance
• Type: Block type expansion valve compatible with R134a refrigerant
• Mounting: Features 2 mounting holes for secure installation
• Fittings: Female suction and liquid inlet/outlet fittings with captured O-ring seals
• Thread Diameters: Suction inlet/outlet No. 12, liquid inlet No. 6, liquid outlet No. 8
• OEM Compliance: Meets or exceeds original equipment manufacturer specifications

Detailed Features and Specifications

This Four Seasons Expansion Valve 39433 is constructed from aluminum, providing a lightweight yet robust component for the Nissan Maxima's HVAC system. The block-type design facilitates efficient refrigerant flow restriction, essential for maintaining optimal A/C performance. Both suction and liquid fittings are female with specific thread diameters and non-threaded connections, utilizing captured O-ring seals to prevent leaks and ensure a tight fit. The valve supports R134a refrigerant, the standard for many modern vehicles, including the Nissan Maxima.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on precision-engineered A/C flow restrictors that regulate refrigerant flow within automotive HVAC systems. This product line emphasizes compatibility with OEM specifications and durability, making it suitable for vehicles like the Nissan Maxima. The 39433 part number represents a block-type valve designed to integrate seamlessly with existing A/C components, ensuring consistent cooling performance.

Common Applications and Problem Resolution

• Regulates refrigerant flow to maintain proper evaporator temperature
• Prevents compressor damage caused by improper refrigerant pressure
• Eliminates inconsistent cabin cooling or fluctuating A/C performance
• Addresses refrigerant leaks due to worn or damaged expansion valves
• Supports efficient operation of the Nissan Maxima’s air conditioning system

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39433, ensure the vehicle is compatible—specifically Nissan Maxima models using R134a refrigerant. Use proper tools to avoid damaging the aluminum fittings and O-rings. Verify that the captured O-ring seals are correctly seated to prevent leaks. It is recommended to replace any associated seals or O-rings during installation to maintain system integrity.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM standards, providing reliable performance for Nissan Maxima vehicles. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. For specific warranty details, refer to the manufacturer’s documentation or contact authorized service providers.