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This high-quality aftermarket Lambda Oxygen Sensor is designed for Vauxhall/Opel owners seeking to maintain optimal engine performance and emissions control. It offers a reliable, OEM-manufactured solution for specific Astra, Corsa, Meriva, and other compatible models. A key benefit is its precise pre-catalytic converter placement, ensuring accurate exhaust gas measurement. However, it's crucial to verify fitment with your vehicle's specific VIN before purchase, as compatibility can vary.
| Model Part Number | 855356 |
|---|---|
| Brand | VAUXHALL/OPEL |
It measures the amount of oxygen in the exhaust gases and sends this data to the ECU to optimize the air-fuel mixture for better performance, fuel economy, and emissions control.
Vehicle manufacturers can use different sensors even within the same model year due to various engine configurations or updates. Checking with your VIN ensures you receive the exact part needed.
Yes, this is designed as a direct fit replacement for the specified Vauxhall/Opel models and OEM part numbers. However, final compatibility should always be verified.
The lifespan varies, but they generally last between 60,000 to 100,000 miles. Factors like engine condition, driving habits, and fuel quality can affect longevity.
Common symptoms include illuminated Check Engine Light, decreased fuel efficiency, rough idling, poor acceleration, and failed emissions tests.
Installation is possible for DIY mechanics with basic tools and mechanical knowledge. However, a specialized oxygen sensor socket is recommended. If unsure, professional installation is advised.
'Pre Cat' refers to the sensor being installed upstream, before the catalytic converter in the exhaust system. This position allows it to measure exhaust gases before they are treated by the catalyst.
Ensure the sensor was installed correctly and the electrical connector is secure. Clear the fault codes again using an OBD-II scanner. If the light persists, the fault may lie elsewhere in the exhaust system, or the new sensor may be faulty (rare).
Double-check that the correct sensor part number was used for the vehicle. Verify the electrical connection is fully seated. Ensure no exhaust leaks are present near the sensor or manifold.
Apply a penetrating rust penetrant and allow it to soak. Use a dedicated oxygen sensor socket and a breaker bar for leverage. Ensure the exhaust is cool to avoid burns.
Compatibility Verification:
Before purchasing, it is crucial to verify that this Lambda Oxygen Sensor is compatible with your specific Vauxhall/Opel vehicle. While it lists many compatible models, variations exist. The most reliable method is to cross-reference the provided OEM part numbers (e.g., 9202575, 855356) with your vehicle's original part or consult a dealership using your vehicle's VIN.
Installation:
Care:
Oxygen sensors are not user-serviceable components. Their lifespan depends on proper engine operation and exhaust system integrity. Avoid using excessive amounts of fuel additives or sealants that could contaminate the sensor. Regular engine maintenance, including correct spark plug replacement and air filter changes, helps protect the oxygen sensor.
