Denso 475-2081 A/C Expansion Valve - Front

Overview of the Denso New Expansion Valve 475-2081

The Denso New Expansion Valve 475-2081 is a precision-engineered A/C expansion valve designed to regulate refrigerant flow in automotive HVAC systems. This block valve type is compatible with various Nissan and INFINITI models, ensuring efficient air conditioning performance.

• Type: Block valve for precise refrigerant control
• Compatible with Nissan and INFINITI vehicles
• Part Number: 475-2081 for accurate identification
• Category: HVAC > A/C Flow Restrictors
• Brand Line: New Expansion Valve series by Denso

About the Denso New Expansion Valve Product Line

The New Expansion Valve line from Denso focuses on delivering reliable and consistent refrigerant flow control within automotive air conditioning systems. This product line emphasizes durability and compatibility with a range of vehicle models, including those from Nissan and INFINITI. The 475-2081 valve is part of this series, designed to meet OEM specifications for optimal HVAC system performance.

Detailed Product Description

The Denso 475-2081 A/C expansion valve functions as a block valve, controlling the amount of refrigerant entering the evaporator. This regulation is critical for maintaining proper cooling efficiency and preventing system overload. Compatible with Nissan models such as the 370Z, Altima, Sentra, and NV series, as well as INFINITI models including the EX35, FX35, FX50, G35, G37, GT-R, M35, and M45, this valve ensures precise fitment and reliable operation. Using the correct expansion valve like the 475-2081 helps maintain consistent cabin temperatures and extends the life of the HVAC system.

Common Applications and Issues Addressed

• Regulates refrigerant flow to prevent evaporator freezing
• Maintains consistent air conditioning performance in Nissan Altima and INFINITI FX35 models
• Prevents compressor damage caused by improper refrigerant pressure
• Improves cooling efficiency in Nissan NV1500, NV2500, and NV3500 vans
• Resolves fluctuating cabin temperatures in vehicles like the INFINITI G37 and Nissan Sentra

Installation Notes and Tips

• Ensure compatibility by verifying the part number 475-2081 before installation
• Follow manufacturer HVAC system service procedures to avoid refrigerant leaks
• Use proper tools to remove the old expansion valve and install the new block valve securely
• Check for system leaks and recharge refrigerant to OEM specifications after installation
• Consult vehicle-specific service manuals for torque specifications and installation steps

Quality Assurance and Warranty

Denso manufactures the 475-2081 expansion valve to meet strict quality standards, ensuring durability and reliable performance in Nissan and INFINITI vehicles. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using OEM-quality parts like the Denso New Expansion Valve helps maintain the integrity of your vehicle’s HVAC system.