Nissens 999311 A/C Expansion Valve - Front

Nissens A/C Expansion Valve 999311

Nissens 999311 is a block-style A/C expansion valve for R134A systems, built with an aluminum body and supplied with mounting hardware and O-rings. It is a direct-fit thermal control component for select Land Rover and Volvo applications, including Discovery Sport, Range Rover Evoque, S60, V60, XC60, and related models.

Key Features

• Block-type A/C expansion valve for refrigerant flow control
• Aluminum construction for HVAC service applications
• Configured for R134A refrigerant systems
• Mounting hardware included
• O-rings included; 4 O-rings listed
• Liquid inlet and outlet thread diameter: 0.5500
• Suction inlet thread diameter: 0.7900; suction outlet thread diameter: 0.7100

Product Details

This Nissens A/C expansion valve 999311 regulates refrigerant delivery into the evaporator, helping maintain proper HVAC performance in vehicles that use R134A. Nissens develops thermal management components to meet aftermarket service needs, and this part follows that approach with a block design, aluminum construction, and included sealing components for service replacement. It cross-references Four Seasons 39429 for the same application.

Compatible With select Land Rover Discovery Sport and Range Rover Evoque models, plus Volvo S60, S60 Cross Country, V60, V60 Cross Country, S80, XC60, XC70, and V70 applications listed below. Use part number 999311 to verify the correct HVAC flow restrictor before ordering.

What It Helps Address

• Weak or inconsistent cabin cooling
• Incorrect refrigerant metering at the evaporator
• HVAC performance loss caused by a worn expansion valve
• Refrigerant flow issues in R134A air conditioning systems
• Service replacement needs after A/C system repair

Installation Notes

Confirm refrigerant type, fitting thread dimensions, and vehicle application before installation. This part is listed for front-position Land Rover Discovery Sport models and for multiple N/A-position Volvo and Land Rover applications. Replace the O-rings during service, inspect mating surfaces for damage, and evacuate and recharge the system according to factory procedures after installation.

• Fits 2015-2019 Land Rover Discovery Sport, Front
• Fits 2012-2018 Land Rover Range Rover Evoque, N/A
• Fits 2017-2018 Volvo S60, N/A, R134A Refrigerant
• Fits 2017-2018 Volvo S60 Cross Country, N/A, R134A Refrigerant
• Fits 2017-2018 Volvo V60, N/A, R134A Refrigerant
• Fits 2017-2018 Volvo V60 Cross Country, N/A, R134A Refrigerant
• Fits 2017 Volvo XC60, N/A, R134A Refrigerant
• Fits 2011-2016 Volvo S60, N/A
• Fits 2016 Volvo S60 Cross Country, N/A
• Fits 2008-2016 Volvo S80, N/A
• Fits 2015-2016 Volvo V60, N/A
• Fits 2015-2016 Volvo V60 Cross Country, N/A
• Fits 2010-2016 Volvo XC60, N/A
• Fits 2008-2016 Volvo XC70, N/A
• Fits 2010-2015 Land Rover LR2, N/A
• Fits 2008 Land Rover LR2, N/A
• Fits 2008-2010 Volvo V70, N/A
• Fits 2009 Land Rover LR2, N/A, From Chassis/VIN 8H112844
• Fits 2009 Land Rover LR2, N/A, To Chassis/VIN 8H112843

Quality Assurance

Nissens positions this part within its Genuine Nissens Quality standard, with product development and manufacturing focused on thermal system performance and aftermarket service requirements. Part number 999311 is built for the listed R134A applications and verified interchange coverage.