Land Rover Discovery Sport L550 Oxygen Nox Lambda Sensor 2.0 204DT HJ32-5J299-BF

Land Rover Discovery Sport L550 NOx Sensor 2.0 204DT HJ32-5J299-BF is an original part from the Lambda Sensors and O2 Sensors group, designed for precise monitoring of exhaust gas composition. With factory specifications for the 2.0 204DT unit, it ensures stable integration with the engine electronics, supporting the proper functioning of the exhaust gas purification system and emissions control. This solution helps maintain correct engine operating parameters and reduces the risk of control unit errors.

Specifications and technical data

• SKU: HJ32-5J299-BF
• Mark: Land Rover
• Condition: Used
• OEM Part Number: HJ32-5J299-BF
• Substitutable numbers: LR118316, HJ32-5J299-BF, HJ325J299BF
• Category: Oxygen Sensors

Purpose and Function in the Exhaust System

The presented NOx sensor is dedicated to the Discovery Sport L550 model with the 2.0 204DT engine, where it is responsible for measuring the nitrogen oxide content in the exhaust gases. Based on its signal, the engine control unit adjusts the fuel injection and the operation of the exhaust gas purification system, which translates to:

• maintaining compliance with emission standards,
• stable engine operation under various load conditions,
• reduced risk of the engine entering limp mode,
• more predictable throttle response.

For modern Land Rover diesel engines, a functional NOx sensor is crucial for proper interaction with the engine control system and the exhaust gas purification system.

Benefits of Using an Original Land Rover Sensor

Using an original sensor from the same group as the factory-fitted component ensures correct electrical and logical compatibility with the engine control unit. This translates to:

• correct signal interpretation by the control module,
• reduced risk of exhaust emission-related errors,
• stable operating parameters over a longer service life.

For NOx sensors, compatibility with the control unit's software and the engine's operating characteristics is particularly important. Therefore, choosing a part from the same Land Rover product line is a technically safe and predictable solution.

Product Characteristics and Condition

The offered sensor belongs to the Lambda Sensors and O2 Sensors category, meaning it operates in a demanding environment of high temperatures and variable exhaust gas flow conditions. The item is used, which in practice means it comes from a dismantled vehicle and has been verified for further operational suitability. Such components are often chosen as an economical alternative to new parts while maintaining factory specifications.

To minimize the risk of incompatibility, it is advisable to compare the markings with your vehicle's data and reference numbers in the specifications before purchasing. This helps confirm compatibility with your specific Discovery Sport L550 engine version.

Selection, Compatibility, and Technical Support

When selecting a NOx sensor for modern powertrains, matching by OEM and reference numbers, as well as compatibility with the control unit's software version, are crucial. If you have any doubts regarding installation or compatibility, it is worth seeking practical advice on used electronics and sensors described in the Global Parts guide – detailed information can be found in the article Used Car Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?.

If you are planning a comprehensive repair or upgrade of the exhaust system and emissions control area in your Land Rover and need other parts from the same group, such as lambda sensors, additional oxygen sensors, or NOx sensors, check the available parts in the Land Rover Lambda Sensors and O2 Sensors category.