Nissens 999261 A/C Expansion Valve

OE-Style A/C Expansion Valve for Select Kia and Hyundai

Nissens 999261 is an aluminum block A/C expansion valve built for R134A systems. It regulates refrigerant flow through the HVAC circuit to support stable evaporator performance in select Kia Sportage and Hyundai Tucson applications.

Built to Nissens quality standards, this part is developed for aftermarket service where accurate refrigerant control and reliable thermal performance matter. Nissens 999261 is a direct-fit solution for vehicles that use the specified block-style valve layout.

Key Features

• Aluminum construction for HVAC service durability
• Block-style A/C expansion valve design
• Configured for R134A refrigerant systems
• Includes O-rings and uses a 4-ring sealing setup
• Liquid and suction port dimensions listed for proper system matching
• Cross-references Four Seasons 39190 and UAC EX10254C for the same application

Product Details

This Nissens A/C expansion valve, part number 999261, meters refrigerant entering the evaporator so the system can maintain the correct pressure drop and cooling balance. It is specified for 2005-2010 Kia Sportage and 2005-2009 Hyundai Tucson applications, making it a focused replacement for vehicles using this block-type configuration. If you are sourcing a Kia Sportage A/C expansion valve or a Hyundai Tucson HVAC flow restrictor replacement, Nissens 999261 provides the fitment and refrigerant compatibility needed for service work.

Common Symptoms It Can Address

• Weak or inconsistent cabin cooling
• Evaporator performance issues caused by incorrect refrigerant metering
• Temperature swings from a sticking or restricted valve
• HVAC system imbalance after A/C service
• Refrigerant flow problems in R134A-equipped systems

Installation Notes and Tips

Verify the vehicle’s original valve style, port layout, and refrigerant type before installation. Replace the O-rings with clean, properly lubricated seals during service, and evacuate and recharge the system according to factory specifications after the repair. Confirm the system is free of contamination or debris that could affect the new valve.

Quality Assurance

Nissens develops thermal management components for aftermarket use with a focus on consistent manufacturing and application-specific fitment. Part number 999261 is built to meet the requirements of the listed Kia Sportage and Hyundai Tucson applications.