Oxygen Sensor for 2009-2013 Mazda 6 - Walker 250-24859

$91.99
WARNING:California Proposition 65▾
Walker Products Oxygen Sensor 250-24859
Walker Products Oxygen Sensor 250-24859 - view 2
Walker Products Oxygen Sensor 250-24859 - view 3
Walker Products Oxygen Sensor 250-24859 - view 4
Walker Products Oxygen Sensor 250-24859
Walker Products Oxygen Sensor 250-24859 - view 2
Walker Products Oxygen Sensor 250-24859 - view 3
Walker Products Oxygen Sensor 250-24859 - view 4

Vehicles this part fits
    Part number: 250-24859
    UPC: 724620036750
    Condition: New
    Weight: 0.28 LBS
    Item Package Code: EA
    Part Has Core (Y/N): N
    Item Package Quantity: 1
    $91.99
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    Walker Products Oxygen Sensor P/N:250-24859
    Walker Products Oxygen Sensor P/N:250-24859
    $91.99
    $91.99

    Walker Products 250-24859 oxygen sensor for the 2009-2013 Mazda 6 4-cylinder 2.5L measures exhaust oxygen to help fine-tune the air-fuel mixture. This downstream sensor gives the ECU the diagnostic feedback this application calls for.

    • Monitors exhaust gases to help reduce pollutants
    • Electrodes made with a gas-permeable platinum layer
    • Determines the oxygen content of the exhaust gas to monitor the air-fuel ratio for combustion efficiency
    • Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
    • Narrow-band design with 4 wires

    Quick facts

    • Part: Walker Products 250-24859 oxygen sensor
    • Fits: 2009-2013 Mazda 6 4-cylinder 2.5L
    • Position: Downstream
    • Condition: New

    A rough-running engine, higher fuel consumption or a lit malfunction indicator light can mean this sensor is worn, though a damaged wiring harness or connector can produce the same signs, so look both over for physical damage first.

    Fits

    This is a direct-fit replacement for the 2009-2013 Mazda 6 4-cylinder 2.5L (L4-2.5L).

    Specifications

    Fit and size

    • Position: Downstream
    • Quantity per vehicle: 1
    • Thread size: M18 - 1.5
    • Wires: 4

    Build and materials

    • Type: Narrow-band
    • Electrodes: gas-permeable platinum layer
    • Condition: New

    In the box

    One oxygen sensor. This listing holds a single sensor, and this engine takes one.

    Frequently Asked Questions

    Is this the right oxygen sensor replacement for the 2009-2013 Mazda 6 4-cylinder 2.5L?

    Yes. Walker Products 250-24859 is a downstream oxygen sensor for the 2009-2013 Mazda 6 4-cylinder 2.5L (L4-2.5L), and that engine takes one.

    Is this Walker Products oxygen sensor narrow-band or wideband?

    It is narrow-band. Walker Products 250-24859 has 4 wires and an M18 - 1.5 thread.

    What protects the electrodes on this oxygen sensor?

    The electrodes have a gas-permeable platinum layer, and a coating guards their surfaces against contamination and erosion from combustion residue and particulates.

    Will a failing oxygen sensor set a fault code?

    It can. Newer vehicles store fault codes in the ECU, and some relate to the affected sensor and its associated systems.

    Is this downstream oxygen sensor made for a specific position on the car?

    Yes. Every Walker Products part number is made for its specific application and fitment position, and 250-24859 is a downstream sensor.

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