Nissens 999385 A/C Expansion Valve

Nissens A/C Expansion Valve for Jaguar HVAC Service

The Nissens 999385 A/C expansion valve is a block-style HVAC flow restrictor built for R134A systems. It is used in Jaguar climate control service where precise refrigerant metering is needed for stable evaporator performance.

• Block-style A/C expansion valve
• Aluminum construction
• For R134A refrigerant systems
• Mounting hardware included
• O-rings included
• Liquid inlet thread diameter: 0.3900
• Liquid outlet thread diameter: 0.5900
• Suction inlet thread diameter: 0.7100
• Suction outlet thread diameter: 0.7100

Fitment

• Fits 2011-2019 Jaguar XJ, N/A
• Fits 2018-2019 Jaguar XJR575, N/A
• Fits 2014-2017 Jaguar XJR, N/A
• Fits 2010-2015 Jaguar XF, N/A
• Fits 2010-2015 Jaguar XFR, N/A
• Fits 2013-2015 Jaguar XFR-S, N/A

Detailed Description

Nissens part number 999385 is an aluminum A/C expansion valve designed for Jaguar HVAC systems that use R134A refrigerant. As a block-type valve, it regulates refrigerant flow into the evaporator so the system can maintain proper cooling balance under changing load conditions. This part number 999385 is listed for Jaguar XJ, XF, XFR, XFR-S, XJR, and XJR575 applications across the model years shown.

Nissens develops thermal management components for aftermarket use with attention to fit, material selection, and system compatibility. For buyers searching for a Jaguar XF A/C expansion valve, Jaguar XJ HVAC flow restrictor, or Nissens 999385 replacement, this part matches the listed OE-style application and refrigerant type.

This part cross-references 8X2319E959AA and C2Z6539 for the same application.

What It Helps Address

• Weak or inconsistent cabin cooling
• Incorrect refrigerant metering at the evaporator
• A/C performance issues caused by a restricted or worn valve
• HVAC service needs on Jaguar XJ and XF platform vehicles
• R134A system repair after component replacement

Installation Notes and Tips

Verify refrigerant type, line thread sizes, and valve style before installation. Replace the O-rings during service, inspect mating surfaces for contamination, and evacuate and recharge the system to the vehicle specification after assembly. Confirm the valve orientation and connection points match the original Jaguar HVAC layout before tightening fittings.

Quality Assurance

Nissens manufactures thermal and engine efficiency components for the aftermarket and applies its Genuine Nissens Quality standard across its range. Part number 999385 is built to the listed material and fitment specifications for Jaguar A/C service.