Nissens 999286 A/C Expansion Valve

Nissens A/C Expansion Valve for Saab 9-3

Nissens 999286 is a block-style A/C expansion valve built for Saab 9-3 and Saab 9-3X applications. It regulates refrigerant flow in the HVAC system to help maintain proper evaporator performance and stable cabin cooling.

Key Features

• Block-style A/C expansion valve for automotive HVAC systems
• Aluminum construction for corrosion resistance and thermal durability
• Designed for R134A refrigerant systems
• Includes mounting hardware and O-rings
• Liquid inlet thread diameter: 0.3500
• Liquid outlet thread diameter: 0.4700
• Suction inlet thread diameter: 0.6300
• Suction outlet thread diameter: 0.7100

Detailed Description

This Nissens A/C expansion valve, part number 999286, is engineered for precise refrigerant metering in the air conditioning circuit. It is a direct-fit style component for 2003-2011 Saab 9-3 and 2010-2011 Saab 9-3X models, making it a relevant replacement when servicing the HVAC flow control side of the system. This part cross-references Four Seasons 39312 for the same application.

Nissens develops thermal management components for aftermarket use with a focus on consistent manufacturing standards. The aluminum body, block configuration, and included O-rings support a clean replacement on R134A-equipped Saab HVAC systems. If you are searching for a Saab 9-3 A/C expansion valve or a Saab 9-3X HVAC expansion valve, Nissens 999286 matches the listed fitment and connection dimensions.

What It Helps Address

• Weak or uneven cabin cooling
• Incorrect refrigerant metering at the evaporator
• A/C performance loss caused by a worn expansion valve
• HVAC service needs on Saab 9-3 and Saab 9-3X models
• Refrigerant flow control issues in R134A systems

Installation Notes and Tips

Verify refrigerant type, line connection sizes, and system layout before installation. Replace the O-rings during service, inspect the mating surfaces for wear or contamination, and evacuate and recharge the system according to factory procedures after installation. For fitment-specific searches, this part is listed for Fits 2003-2011 Saab 9-3 and Fits 2010-2011 Saab 9-3X.

Quality Assurance

Nissens positions this component within its Genuine Nissens Quality standard, with products developed and manufactured to consistent aftermarket specifications. Part number 999286 is built for the listed Saab applications and follows the brand’s thermal-system manufacturing approach.