Nissens 999397 A/C Expansion Valve - Front

Nissens A/C Expansion Valve 999397

Nissens A/C Expansion Valve 999397 is a block-style HVAC flow restrictor built with an aluminum body for R134A systems. It regulates refrigerant flow through the air conditioning circuit and supports stable cooling performance in the vehicle cabin.

• Block-style A/C expansion valve for HVAC refrigerant control
• Aluminum construction for corrosion-resistant service
• Configured for R134A refrigerant systems
• Includes O-rings for sealing at the connection points
• Direct-fit application for select Volvo models

Fitment and Application

Compatible with 2004-2009 Volvo S60, 2005-2007 Volvo S80, 2005-2007 Volvo V70, 2005-2007 Volvo XC70, and 2005-2006 Volvo XC90, front. This part number 999397 is also referenced for Volvo HVAC service applications where the original block expansion valve is specified.

Nissens develops thermal management components with a focus on OE-style fit and function across aftermarket applications. Part number 999397 follows that approach with the correct refrigerant type, fitting dimensions, and sealing hardware details needed for service work on Volvo A/C systems.

What It Helps Address

• Weak or inconsistent cabin cooling
• Incorrect refrigerant metering through the evaporator circuit
• A/C performance loss caused by a worn or restricted valve
• Refrigerant leakage at the valve connection points
• Service replacement needs on Volvo HVAC systems

Installation Notes

Verify refrigerant type before installation; this valve is specified for R134A systems. Confirm the liquid and suction fitting thread diameters match the original unit, and replace the O-rings with proper A/C service practices if the system has been opened. Evacuate and recharge the system according to factory procedures after installation.

Quality Assurance

Nissens positions its thermal management parts around Genuine Nissens Quality, with products developed and manufactured to consistent standards for aftermarket service. Part number 999397 is built to support reliable A/C system repair on the listed Volvo applications.