Nissens 999352 A/C Expansion Valve

Nissens A/C Expansion Valve for Mini Cooper

The Nissens 999352 A/C expansion valve regulates refrigerant flow in the air conditioning system to help maintain proper cooling performance. Built from aluminum and configured as a block-style valve for R134A systems, it is a direct-fit service part for select Mini Cooper applications.

Fits 2002-2008 Mini Cooper, N/A. This part cross-references Four Seasons 39316 for the same application.

Key Features

• Block-style A/C expansion valve for refrigerant metering
• Aluminum construction for HVAC service applications
• Designed for R134A refrigerant systems
• Includes O-rings for sealing at the connection points
• Direct replacement for select 2002-2008 Mini Cooper models
• Part number 999352 for catalog and fitment lookup

Product Details

Nissens 999352 is an A/C expansion valve used to control refrigerant delivery into the evaporator, where pressure drop and expansion are required for cabin cooling. The block design and specified inlet and outlet thread diameters support proper system connection on the listed Mini Cooper fitment. For buyers searching for a Mini Cooper A/C expansion valve, Mini Cooper HVAC flow restrictor, or Nissens 999352 replacement, this part provides a focused service solution for R134A-equipped vehicles.

Common Issues This Part Can Address

• Weak or inconsistent cabin cooling
• Incorrect refrigerant metering at the evaporator
• A/C performance loss caused by a worn or restricted valve
• Leaks at the valve connection points when seals are degraded
• HVAC system service needs on 2002-2008 Mini Cooper models

Installation Notes and Tips

Verify refrigerant type, connection dimensions, and system layout before installation. Replace the O-rings with clean, properly lubricated seals during service, and evacuate and recharge the system according to the vehicle manufacturer’s procedure after repairs. Confirm the A/C 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 standards and application-specific fitment. Part number 999352 is built as a service replacement for the listed Mini Cooper applications.