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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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Spectra Premium OS6249 Heated Oxygen Sensor 4-Wire Thimble O2 Sensor
Part: OS6249
Vehicle Specific
$14.23
Ships from manufacturer
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Walker Products 350-34014 Oxygen Sensor 4-Wire Direct Fit Narrow-Band
Part: 350-34014
Vehicle Specific
$44.48
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Walker Products 350-34266 4-Wire Titania Narrow Band Oxygen Sensor
Part: 350-34266
Vehicle Specific
$85.71
1 left at this price
Walker Products 350-34081 Direct-Fit Oxygen Sensor 4-Wire O2 Sensor
Part: 350-34081
Vehicle Specific
$46.23
In Stock (10+)
Walker Products 350-34331 Oxygen Sensor Direct Fit Narrow-Band 4-Wire
Part: 350-34331
Vehicle Specific
$48.86
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Walker Products 350-34297 4-Wire Titania Narrow-Band Oxygen Sensor OE Replacement
Part: 350-34297
Vehicle Specific
$90.02
4 left at this price
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Walker Products 350-34682 Oxygen Sensor 4-Wire Direct Fit Narrow-Band
Part: 350-34682
Vehicle Specific
$74.13
1 left at this price
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DENSO 234-5720 Air-Fuel Ratio Sensor 5-Wire Heated Direct Fit 12.36" Wire
Part: 234-5720
Vehicle Specific
$168.13
In Stock (5)
1 left at this price
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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.