Nissens 999352 A/C Expansion Valve

Reliable A/C Expansion Valve for Mini Cooper

The Nissens 999352 A/C expansion valve is engineered to regulate refrigerant flow precisely in Mini Cooper vehicles. Designed specifically for R134a refrigerant systems, this aluminum block-type valve ensures consistent air conditioning performance.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block-type A/C expansion valve design
• Includes 4 O-rings for secure sealing
• Liquid inlet and outlet fitting thread diameters: 0.4300 and 0.5500 inches
• Suction inlet and outlet fitting thread diameters: 0.6300 and 0.7900 inches

Product Details and Specifications

The Nissens 999352 A/C expansion valve is a precision component designed to control the flow of refrigerant within the air conditioning system of Mini Cooper models. Made from aluminum, it offers corrosion resistance and thermal conductivity essential for HVAC efficiency. This block-type valve is compatible with R134a refrigerant, the standard for many modern vehicles. The valve includes four O-rings to ensure a tight seal and prevent leaks. Its specific fitting thread diameters for liquid and suction lines allow for proper integration with the vehicle’s existing A/C system.

Compatible Vehicles and Applications

This A/C expansion valve is compatible with Mini Cooper models requiring R134a refrigerant systems. It is designed to replace faulty or worn expansion valves to restore proper refrigerant flow and maintain optimal air conditioning performance.

• Regulates refrigerant flow to prevent system overpressure
• Helps resolve inconsistent cabin cooling issues
• Prevents compressor damage caused by improper refrigerant metering
• Addresses A/C system leaks related to valve seals
• Improves overall HVAC system efficiency

Installation Notes and Tips

When installing the Nissens 999352 expansion valve, ensure all O-rings are properly seated to avoid refrigerant leaks. Verify that the fitting thread diameters match the vehicle’s liquid and suction lines for a secure connection. This part does not include mounting hardware, so retain original fasteners or source appropriate replacements. Proper evacuation and recharging of the A/C system with R134a refrigerant is necessary after installation.

Quality Assurance and Warranty

Nissens manufactures this A/C expansion valve to meet OEM standards for fit and function. The use of aluminum material and included O-rings supports durability and leak prevention. While specific warranty details are not provided, Nissens products typically adhere to industry quality controls to ensure reliable performance in Mini Cooper HVAC systems.