Nissens 999315 A/C Expansion Valve
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Nissens

Nissens 999315 A/C Expansion Valve

Brand Nissens 999315
Material Aluminum
Refrigerant Type R134a
Type Block
Mounting Hardware Included No
Liquid Inlet Fitting Thread Diameter 0.4700
Liquid Outlet Fitting Thread Diameter 0.5500
O-ring Quantity 4
O-rings Included Yes
Suction Inlet Fitting Thread Diameter 0.6300
Suction Outlet Fitting Thread Diameter 0.7100
Fits Volkswagen · 2 vehicles

Aluminum block design. Built for efficient refrigerant flow control in the A/C system.

R134A compatible. Matches the specified refrigerant type for proper system service.

O-rings included. Comes with sealing rings for a cleaner installation.

Cross-references UAC EX10498C, 5Q0820679B and 5Q0820679E for the same application. See all 5.

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Nissens A/C Expansion Valve for Volkswagen Golf R

The Nissens 999315 A/C expansion valve is a block-style HVAC flow restrictor built for R134A systems and aluminum construction. It is listed for 2015-2016 Volkswagen Golf R applications, including the 2016 Volkswagen Golf R through 05/29/2016.

Key Features

  • Brand: Nissens
  • Part number: 999315
  • Block-style A/C expansion valve
  • Material: aluminum
  • Refrigerant type: R134A
  • Includes O-rings; mounting hardware not included
  • O-ring quantity: 4
  • Liquid inlet thread diameter: 0.4700
  • Liquid outlet thread diameter: 0.5500
  • Suction inlet thread diameter: 0.6300
  • Suction outlet thread diameter: 0.7100

Product Details

This Nissens A/C expansion valve, part number 999315, regulates refrigerant flow in the air conditioning circuit to support proper evaporator performance. It is a direct-fit style component for Volkswagen Golf R models listed in the fitment data and is specified for R134A refrigerant systems. Nissens develops thermal management components to OE-level specifications, and this valve reflects that focus on precise HVAC control and consistent material quality.

This part cross-references UAC EX10498C for the same application.

Common Symptoms It Can Address

  • Weak or inconsistent cabin cooling
  • Incorrect refrigerant metering at the evaporator
  • Frosting or temperature swings in the A/C system
  • Compressor cycling caused by flow control issues
  • Restricted HVAC performance in a Volkswagen Golf R A/C repair

Installation Notes

Verify refrigerant type, port dimensions, and vehicle fitment before installation. Replace the O-rings with clean, properly lubricated seals during service, and evacuate and recharge the system according to factory procedures after the valve is installed. This part fits 2015 Volkswagen Golf R, N/A, and 2016 Volkswagen Golf R, N/A, to 05/29/2016.

Quality Assurance

Nissens manufactures thermal and engine efficiency components with a focus on consistent production standards and ongoing aftermarket development. Part number 999315 is built to support reliable HVAC service on confirmed Volkswagen Golf R applications.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
2016VolkswagenGolf RBase2.0LL4GASTo 05/29/2016
2015VolkswagenGolf RBase2.0LL4GAS—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
UAC — EX10498C5Q0820679B5Q0820679E8K0820679ACB1003V