Vauxhall Opel Insignia Diesel Exhaust Gas Temperature Sensor Cable 55566185

Visual condition of the part

The product shows signs of use visible in the photos.

Vauxhall Opel Insignia Diesel Exhaust Gas Temperature Sensor Cable is a specialized exhaust system component designed for diesel engines. It is responsible for a stable connection between the exhaust gas temperature sensor and the vehicle's electrical system, which enables precise reading of engine operating parameters. Thanks to this, the engine control system can effectively manage the combustion process and the operation of the exhaust gas cleaning system, ensuring safe and repeatable engine performance.

Specifications and technical data

• SKU: 55566185
• Mark: Vauxhall (Genuine OE)
• Condition: Used
• OEM Part Number: 55566185
• Substitutable numbers: 55566185
• Fuel type: Diesel
• Tire profile: 65535
• Category: Oxygen Sensors

Purpose and function in the exhaust system

The exhaust gas temperature sensor cable in a Diesel-powered Opel Insignia is a key component for the proper operation of the emission control system. It is responsible for transmitting the signal from the sensor located in the exhaust stream to the engine control unit, which allows for:

• monitoring exhaust gas temperature across various engine load ranges,
• protecting exhaust system components from overheating,
• cooperation with emission reduction systems, such as the diesel particulate filter (DPF),
• maintaining stable engine operating parameters.

A properly functioning exhaust gas temperature sensor cable supports even operation of the exhaust system and reduces the risk of diagnostic errors related to incorrect temperature readings.

Technical characteristics and compatibility

The described element belongs to the Lambda sensors and O2 sensors group, which means it is part of the measurement system responsible for controlling exhaust gas parameters. In the case of diesel units, the cable's resistance to the following is particularly important:

• elevated temperatures in the manifold zone and further sections of the exhaust,
• vibrations transmitted from the engine and body,
• contact with contaminants typical of the exhaust system's operating environment.

The cable is designed as a dedicated component, which facilitates installation in factory mounting points and ensures proper routing of the harness in the engine bay and along the exhaust system. This reduces the risk of insulation abrasion and accidental damage during operation.

Condition, application, and practical aspects

The product is offered in Used condition, which means it comes from disassembly but retains the functionality required for further use. For Opel Insignia Diesel owners, this is a solution that allows for an economical replacement of a damaged cable without the need to purchase a new part. In practice, replacing the exhaust gas temperature sensor cable is recommended when the following occur:

• diagnostic errors related to exhaust gas temperature readings,
• signal interruptions or damage to the cable insulation,
• problems with the regeneration or operation of the exhaust gas cleaning system.

Using an original cable with the appropriate electrical and mechanical characteristics helps restore stable operation of the temperature measurement system without interfering with the factory installation.

Selection support and additional technical information

Due to the specific nature of diesel engine electronics and accessories, the selection of the correct exhaust gas temperature sensor cable should take into account the manufacturer's markings and the configuration of the specific vehicle version. In case of doubt, it is worth using catalog numbers and data from service documentation to ensure full compatibility with the vehicle's installation.

For users interested in a broader context of using used electronic and measurement components in vehicles, a practical Global Parts guide has been prepared – Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses, among other things, selection by markings, compatibility issues, and the most frequently asked questions regarding installation.

Related Vauxhall exhaust measurement components

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Vauxhall and need other elements from the same group, such as lambda sensors, O2 sensors, or additional measurement cables, check the available parts in the Vauxhall Lambda sensors and O2 sensors category.

Additionally, if you want to expand your knowledge about the operation of the exhaust system and the impact of measurement components on its functioning, you can use the guide material dedicated to performance solutions in this area of the vehicle: Performance exhaust system: used manifolds and sports catalytic converters on the road.