JQD500070 | Evaporator Expansion Valve - Air Conditioning | Defender 2007-2016
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: JQD500070 - Evaporator Expansion Valve
JQD500070 is an Evaporator Expansion Valve fitted to the heater and air conditioning assembly. This valve meters refrigerant into the evaporator coil, modulating flow in response to system pressures and temperatures to maintain appropriate evaporator superheat; correct operation prevents liquid refrigerant returning to the compressor and supports stable cabin temperature control. Replacement parts must match the specified part number to ensure correct refrigerant circuit calibration and compressor compatibility, and any replacement requires the system to be evacuated and recharged by a qualified technician.
Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Defender (2007-2016) - From VIN 7A000001
Frequently Asked Questions
The JQD500070 evaporator expansion valve meters refrigerant into the evaporator coil using an internal orifice and sensing mechanism to control evaporator superheat. By regulating flow according to pressures and temperatures it helps prevent liquid refrigerant from returning to the compressor and supports consistent cabin cooling. Failure or loss of metering precision can cause poor cooling or abnormal system pressures and typically requires component replacement and a full system evacuation and recharge by a qualified technician.
| Model | Variant |
|---|---|
| Land Rover Defender (2007-2016) | Heater/Air Cond. Assy And Components (From VIN 7A000001) |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Replace the valve if the vehicle shows symptoms such as poor cooling performance, fluctuating or abnormal A/C system pressures, or if diagnostics indicate incorrect evaporator superheat. Because replacement requires opening the refrigerant circuit, the system must be evacuated, the component fitted, and the refrigerant recharged by a qualified technician.
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