Four Seasons 39474 A/C Expansion Valve - Front

Overview of Four Seasons Expansion Valve 39474

The Four Seasons Expansion Valve 39474 is designed specifically for Honda Odyssey 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 HVAC performance.

• Constructed from corrosion-resistant aluminum material
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with sealing washer and o-ring styles
• Meets or exceeds original equipment manufacturer specifications

Detailed Product Features and Specifications

This Four Seasons Expansion Valve 39474 features a block-type design that integrates seamlessly into the Honda Odyssey's A/C system. The valve includes two mounting holes for stable attachment and uses female fittings on both suction and liquid inlet/outlet connections. The suction inlet fitting thread diameter is No. 12, while the suction outlet is No. 10, both non-threaded. Liquid inlet and outlet fittings also use sealing washers and captured o-rings to ensure a tight, leak-free seal. The valve is compatible with R134a refrigerant, the standard for many modern vehicles, including the Honda Odyssey.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on precision-engineered A/C flow restrictors designed to regulate refrigerant flow accurately within automotive HVAC systems. This product line emphasizes durability and compatibility, providing components that meet or exceed OEM requirements. The 39474 valve is part of this line, offering reliable performance tailored for Honda Odyssey air conditioning systems.

Common Applications and Issues Addressed

• Regulates refrigerant flow to maintain optimal cooling efficiency
• Prevents compressor damage caused by improper refrigerant pressure
• Eliminates inconsistent cabin temperatures due to faulty expansion valves
• Resolves A/C system leaks related to worn or damaged valve seals
• Supports proper system cycling to reduce wear on HVAC components

Installation Notes and Tips

• Ensure compatibility with Honda Odyssey models before installation
• Use proper tools to avoid damaging the aluminum valve body or fittings
• Replace associated O-rings and sealing washers to prevent leaks
• Follow manufacturer torque specifications for mounting bolts
• Evacuate and recharge the A/C system with R134a refrigerant after installation

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39474 is manufactured to meet or exceed OEM standards, ensuring reliable operation within the Honda Odyssey's HVAC system. The product includes green O-rings ([24661] and [24681]) for secure sealing. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.