Nissens 999312 A/C Expansion Valve - Front

Nissens 999312 A/C Expansion Valve

The Nissens 999312 A/C expansion valve is a block-style HVAC flow restrictor built with an aluminum body and configured for R134A refrigerant systems. It is a direct-fit service part for select Volvo applications, including Volvo S60, S80, V70, XC70, and XC90 models.

Key Features

• Block-style A/C expansion valve for refrigerant metering
• Aluminum construction for HVAC system service applications
• Configured for R134A refrigerant
• Includes O-rings for sealing at the connection points
• Fits select 2000-2004 Volvo S80, 2001-2004 Volvo S60, 2001-2004 Volvo V70, 2003-2004 Volvo XC70, and 2003-2004 Volvo XC90 front applications
• Cross-references Four Seasons 39165 for the same application

Detailed Description

Built by Nissens, part number 999312 is an A/C expansion valve used to regulate refrigerant flow through the air conditioning system. Its block design and aluminum construction support service replacement on Volvo HVAC systems that use R134A refrigerant. This part is listed for 2001-2004 Volvo S60, 2001-2004 Volvo S80, 2001-2004 Volvo V70, 2003-2004 Volvo XC70, and 2003-2004 Volvo XC90 front applications, with an additional 2000 Volvo S80 listing from chassis/VIN 86698. If you are searching for a Volvo S80 A/C expansion valve 999312 or a Volvo XC90 front HVAC expansion valve, this part matches the confirmed fitment data provided.

What It Helps Address

• Inconsistent cabin cooling performance
• Improper refrigerant metering through the evaporator circuit
• A/C system pressure control issues related to the expansion valve
• Leaking service points where O-ring sealing is required
• HVAC repair needs on Volvo S60, S80, V70, XC70, and XC90 models

Installation Notes and Tips

Verify refrigerant type before installation; this valve is specified for R134A systems. Confirm the vehicle year, model, and any chassis/VIN notes before ordering, especially for the 2000 Volvo S80 listing from chassis/VIN 86698. Replace the O-rings during service and inspect the surrounding A/C components for contamination or wear before reassembly. Part number 999312 should be matched to the confirmed Volvo fitment shown above.

Quality Assurance

Nissens develops thermal management components for aftermarket use and manufactures its products to consistent quality standards across its range. This part cross-references Four Seasons 39165 for the same application.