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Kia Optima Emission Control Sensors
This page brings together emission control sensors for the Kia Optima across model years 2001–2020, covering oxygen sensors, mass air flow sensors, knock sensors, manifold absolute pressure sensors, and air/fuel ratio sensors in direct-fit and OE replacement forms. Pick your Kia Optima's year above to narrow the list to emission control sensors with confirmed fitment. Every part shown is checked against our vehicle data.
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NGK 25150 NTK OE Identical Oxygen Sensor, 4-Wire Heated O2 Sensor
Part: 25150
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$46.02
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NGK NTK 25200 Oxygen Sensor – 4-Wire Heated Downstream O2 Sensor M18x1.5
Part: 25200
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$74.63
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NGK 25160 Oxygen Sensor Narrow-Band Heated 4-Wire Direct Fit O2 Sensor
Part: 25160
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$81.24
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DENSO 234-5030 Air/Fuel Ratio Sensor Heated 5-Wire Direct Fit Upstream
Part: 234-5030
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$164.23
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What's here for your Kia Optima
- Oxygen Sensors — direct-fit and universal OE replacement styles
- Mass Air Flow Sensors — including remanufactured and new options
- Ignition Knock (Detonation) Sensors — manifold-mounted replacement units
- Manifold Absolute Pressure (MAP) Sensors — direct-fit replacements
- Air / Fuel Ratio Sensors — OE-style fitment for applicable model years
The widest selection here comes from DENSO, Walker Products, Delphi, and Standard Motor Products. Other categories Kia Optima owners shop for: Kia Optima Brake Rotors and Drums, Kia Optima Shocks and Struts and Kia Optima Springs and Suspension Parts, or browse all Kia Optima parts and accessories.