Buy the Royal Enfield 1010084/A Oxygen Sensor for the Classic 500 BS4 (Euro 4) from Enfield And Activa Zone (EAZ Store).
The oxygen sensor, also known as an O2 sensor or lambda sensor, is fitted to the exhaust system and monitors the oxygen level in exhaust gases. It sends this information to the engine control unit (ECU), helping regulate the air-fuel mixture for efficient engine operation and emission control.
If your Classic 500 is experiencing poor fuel efficiency, irregular engine performance, or an oxygen sensor-related warning, a faulty sensor may need replacement after proper diagnosis.
Choose the correct Royal Enfield part number to ensure proper fitment and electrical connection.
Key Features
- Brand: Royal Enfield
- Part Number: 1010084/A
- Product Name: Oxygen Sensor
- Common Names: O2 Sensor / Lambda Sensor
- Application: Exhaust and electronic fuel-injection system
- Emission Standard: BS4 / Euro 4
- Monitors oxygen levels in exhaust gases
- Sends exhaust feedback to the ECU
- Helps regulate the engine air-fuel mixture
- Replacement for a faulty or damaged oxygen sensor
Vehicle Compatibility
Royal Enfield Classic 500 BS4 / Euro 4 variants:
- Classic 500 Stealth Black
- Classic 500 Gunmetal Grey
- Classic 500 Pegasus
- Classic 500 Redditch
- Other compatible Classic 500 Euro 4 variants
Important Part Number Note: Royal Enfield’s parts catalogue lists 1010084/C as the replacement for 1010084/A. Verify the replacement part and connector compatibility before ordering.
Package Contents
- 1 × Oxygen Sensor (1010084/A)
Wiring harness, ECU, exhaust pipe, and additional mounting components are not included unless specifically mentioned.
Installation & Important Note
Professional installation is recommended. Check the sensor connector, wiring, exhaust mounting thread, and ECU fault codes before replacement. Avoid damaging the sensor cable during installation.










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