LR122057 | Lambda Sensor - Exhaust - 3.0 I6 | Range Rover & Range Rover Sport, Discovery 5
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To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: LR122057 - Lambda Sensor
LR122057 is a Lambda sensor fitted to the exhaust system of 3.0 I6 Turbo Petrol (AJ20P6) engines. This oxygen sensor measures the exhaust gas composition so the engine control unit can adjust the air-fuel mixture and monitor emissions, and is specific to the AJ20P6 3.0 I6 Turbo Petrol application.
Compatibility
- Discovery 5 (2017 onwards) - 3.0 I6 Turbo Petrol (AJ20P6)
- Range Rover (2013-2022) - 3.0 I6 Turbo Petrol (AJ20P6) (From VIN KA000001)
- Range Rover Sport (2014-2022) - 3.0 I6 Turbo Petrol (AJ20P6) (From VIN KA000001)
Frequently Asked Questions
LR122057 is a lambda (oxygen) sensor that measures the oxygen content in the exhaust gas so the engine control unit can adjust the air-fuel mixture and control emissions. A failing sensor commonly causes rough running, reduced fuel economy or an engine management light, and diagnostic trouble codes will often indicate sensor degradation.
| Model | Variant |
|---|---|
| Land Rover Discovery 5 | 2017 onwards - 3.0 I6 Turbo Petrol (AJ20P6) |
| Land Rover Range Rover | 2013 - 2022 - 3.0 I6 Turbo Petrol (AJ20P6) (From VIN KA000001) |
| Land Rover Range Rover Sport | 2014 - 2022 - 3.0 I6 Turbo Petrol (AJ20P6) (From VIN KA000001) |
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.
Inspect the lambda sensor if the engine management light is illuminated, if the vehicle shows reduced fuel economy, or if it fails an emissions test; replace when diagnostics confirm the sensor is out of specification. Regular inspection during scheduled servicing is recommended.
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