Four Seasons 39656 A/C Expansion Valve - Rear

Reliable A/C Expansion Valve for Nissan NV Series

The Four Seasons Expansion Valve 39656 is engineered to maintain optimal air conditioning performance in Nissan NV1500, NV2500, and NV3500 models. Designed specifically for R134a refrigerant systems, this block-type valve ensures precise refrigerant flow control to keep your vehicle's HVAC system functioning efficiently.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with O-ring seals
• Meets or exceeds OEM specifications for Nissan NV1500, NV2500, and NV3500
• Designed without a solenoid for straightforward operation
• Superheat rating of 16.5 for accurate temperature regulation
• Fits suction inlet thread diameter No. 10 and outlet No. 12; liquid inlet No. 6 and outlet No. 8

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line focuses on delivering reliable A/C flow restrictors that meet OEM standards. This product line emphasizes precise refrigerant metering and durability, ensuring consistent HVAC system performance. The 39656 valve is part of this line, designed to provide effective temperature control and refrigerant flow management for Nissan NV series vehicles.

Detailed Product Description

The Four Seasons 39656 A/C Expansion Valve is a block-type valve constructed from aluminum, providing corrosion resistance and durability under demanding automotive conditions. It is designed for use with R134a refrigerant, the standard for many modern vehicles, including Nissan NV1500, NV2500, and NV3500 models. The valve features female fittings on both suction and liquid inlet/outlet ports, all sealed with O-rings to prevent leaks and ensure a tight connection. With two mounting holes, installation is secure and stable. The valve operates without a solenoid, simplifying its function and reducing potential failure points. Its superheat rating of 16.5 ensures accurate refrigerant flow, contributing to efficient cooling performance.

Common Issues Addressed by This Expansion Valve

• Inconsistent cabin cooling due to improper refrigerant flow
• HVAC system inefficiency caused by faulty or worn expansion valves
• Refrigerant leaks from damaged or degraded valve fittings
• Overheating of the evaporator due to incorrect superheat levels
• Reduced A/C system lifespan from non-OEM compliant parts

Installation Notes and Tips

• Ensure compatibility with Nissan NV1500, NV2500, or NV3500 models before installation
• Use proper tools to avoid damaging the aluminum valve body or fittings
• Replace O-rings during installation to maintain a leak-free seal
• Follow vehicle manufacturer torque specifications for mounting bolts
• Check the A/C system for leaks and proper refrigerant charge after installation

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39656 meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with precision and quality materials, this valve is designed to provide consistent operation in Nissan NV series vehicles. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.