Kawasaki Z650 ER650 Ninja 400 EX400 O2 Oxygen Lambda Sensor

Upgrade or replace your Kawasaki’s exhaust sensor with the IWOKPHD O2 Oxygen Lambda Sensor, a precise, reliable replacement designed to keep your bike running cleanly and efficiently. This sensor is engineered to fit popular Kawasaki models and ensure the engine control unit (ECU) receives accurate air-fuel measurements for optimal combustion. With compatibility across Kawasaki Z650/ER650, Ninja 400 EX400, and Ninja 650 models from recent years, you’ll enjoy smoother idling, better throttle response, and improved fuel economy.

The sensor uses magnetic induction in a heating-type design to deliver fast, reliable readings across a wide range of riding conditions. By providing accurate lambda data, it helps the ECU precisely adjust the air-fuel ratio, reducing emissions and maintaining peak performance. This replacement part aligns with OEM specifications to support consistent performance without compromising reliability.

Benefits & Tips

• Achieve stable engine idle and smoother acceleration by maintaining accurate oxygen readings across the exhaust mixture.
• Verify fitment quickly by cross-checking part numbers (21176-0853 and related variants) against your bike’s OEM reference before installation.
• For best results, install a genuine-looking fit that matches your Kawasaki model year (see compatibility notes) to avoid sensor misreadings and ECU fault codes.

Product specifications

• Brand: IWOKPHD
• Sensor Type: Magnetic Induction
• Heating Type: Yes
• Measuring Range: Air Fuel Ratio Sensor / Exhaust gas Lambda / O2 Oxygen Sensor
• OEM No.: 21176-0853
• Part Numbers: 21176-0853, 211760853, 21176-0824, 211760824, 21176 0824
• Origin: Mainland China
• Compatibility: FOR KAWASAKI NINJA 400 EX400 2018-2020; FOR KAWASAKI NINJA 650 (EX650J-K) 2017-2019; FOR KAWASAKI Z650 ER650 2017-2019
• Warranty: 2 years (Replacement Warranty)

Package includes:

• 1 x O2 Oxygen Lambda Sensor

Warnings / Reminders

• Please check the part number before purchasing replacements to ensure correct fitment for your vehicle.
• If you’re unsure about compatibility, contact us with your VIN, year, make, and model to confirm fitment.
• Reference the listed OEM numbers (21176-0853, 211760853, 21176-0824, 211760824, 21176 0824) to verify the correct sensor for your exhaust setup.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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