Nissens 999312 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Volvo Models

The Nissens A/C Expansion Valve 999312 is engineered to maintain optimal air conditioning performance in select Volvo vehicles. Designed specifically for models such as the Volvo S60, S80, V70, XC70, and XC90, this aluminum block-type valve ensures precise refrigerant flow control for R134a systems.

Key Features of Nissens A/C Expansion Valve 999312

• Constructed from durable aluminum for corrosion resistance and longevity
• Compatible with R134a refrigerant systems
• Block-type design for efficient refrigerant metering
• Includes four O-rings to ensure a secure, leak-free seal
• Liquid inlet fitting thread diameter: 0.4300 inches
• Liquid outlet fitting thread diameter: 0.5500 inches
• Suction inlet fitting thread diameter: 0.6300 inches
• Suction outlet fitting thread diameter: 0.7900 inches

Detailed Product Description

The Nissens 999312 A/C Expansion Valve is a precision component designed to regulate refrigerant flow within the air conditioning system of Volvo vehicles. Its aluminum construction offers strength and resistance to corrosion, which is critical for maintaining system integrity over time. The valve is designed for use with R134a refrigerant, the standard for many modern automotive A/C systems. The block-type valve design provides consistent metering of refrigerant, helping to optimize cooling efficiency and system performance. Included with the valve are four O-rings, which are essential for creating tight seals at the connection points, reducing the risk of leaks. The specific thread diameters for liquid and suction fittings ensure compatibility with the original equipment specifications of Volvo S60, S80, V70, XC70, and XC90 models.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Volvo S60, S80, V70, XC70, and XC90 A/C systems
• Resolves inconsistent cabin cooling or fluctuating air temperatures
• Prevents refrigerant leaks caused by worn or damaged expansion valves
• Addresses A/C system pressure imbalances affecting performance
• Improves overall air conditioning efficiency and reliability

Installation Notes and Tips

When installing the Nissens A/C Expansion Valve 999312, ensure all O-rings are properly seated to prevent leaks. Verify that the fitting thread diameters match the vehicle’s specifications before installation. It is recommended to evacuate and recharge the A/C system with the correct amount of R134a refrigerant after replacement. Professional installation is advised to maintain system integrity and performance.

Quality Assurance and Warranty

Nissens manufactures this A/C Expansion Valve to meet stringent quality standards, ensuring reliable operation within Volvo HVAC systems. The valve is designed for durability and consistent performance. Please refer to Nissens or the distributor for specific warranty details related to part number 999312.