Oxygen Sensor for 2009-2015 Mazda MX-5 Miata - Walker 250-54080

$222.99
WARNING:California Proposition 65▾
Walker Products Oxygen Sensor 250-54080
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Walker Products Oxygen Sensor 250-54080
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Vehicles this part fits
    Part number: 250-54080
    UPC: 724620046032
    Condition: New
    Weight: 0.30 LBS
    Item Package Code: EA
    Part Has Core (Y/N): N
    Item Package Quantity: 1
    $222.99
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    Walker Products Oxygen Sensor P/N:250-54080
    Walker Products Oxygen Sensor P/N:250-54080
    $222.99
    $222.99

    Walker Products 250-54080 oxygen sensor for the 2009-2015 Mazda MX-5 Miata 4-cylinder 2.0L measures the oxygen content of the exhaust gas. The sensor is made for this specific application and its upstream position, and it supplies the feedback the ECU requires.

    • Monitors exhaust gases to help reduce pollutants for a cleaner environment
    • Electrodes made of a gas-permeable platinum layer
    • Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gas
    • Measures oxygen levels to help fine-tune the air-fuel ratio for fuel economy

    Quick facts

    • Part: Walker Products 250-54080 oxygen sensor
    • Fits: 2009-2015 Mazda MX-5 Miata 4-cylinder 2.0L
    • Position: Upstream
    • Condition: New

    A worn sensor can show up as a poorly running engine, higher fuel consumption or a check engine light. Those signs alone do not prove the sensor is the problem, since a vacuum leak can produce them too.

    Fits

    It fits the 2009-2015 Mazda MX-5 Miata 4-cylinder 2.0L, which takes one upstream sensor; this listing is that one sensor.

    Specifications

    Fit and size

    • Position: upstream
    • Quantity per vehicle: 1
    • Thread size: M18 - 1.5

    Build and materials

    • Type: wide-band
    • Electrodes: gas-permeable platinum layer
    • Condition: new

    Frequently Asked Questions

    Is this oxygen sensor right for the 2009-2015 Mazda MX-5 Miata 4-cylinder 2.0L?

    Yes. Walker Products 250-54080 fits the 2009-2015 Mazda MX-5 Miata 4-cylinder 2.0L, and the car takes one.

    Is this Walker Products oxygen sensor a wide-band type?

    Yes. The 250-54080 is a wide-band sensor with M18 - 1.5 threads.

    What protects the electrodes on this oxygen sensor?

    The electrodes have a gas-permeable platinum layer. The coating guards the electrode surfaces against contamination and erosion from combustion residue and particulates in the exhaust gas.

    What should I look at if this oxygen sensor may be failing?

    With the engine off and cool, look over the sensor, its wiring harness and its connector for physical damage. On newer vehicles a failed sensor can also store a fault code in the ECU.

    Is the 250-54080 oxygen sensor upstream or downstream?

    Upstream. Walker Products 250-54080 is the upstream oxygen sensor, made for its specific fitment position on the vehicle.

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