Oxygen Sensor for 1990-1991 Mitsubishi Montero - Walker 350-34293

$72.99
WARNING:California Proposition 65▾
Walker Products Oxygen Sensor 350-34293
Walker Products Oxygen Sensor 350-34293 - view 2
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Walker Products Oxygen Sensor 350-34293
Walker Products Oxygen Sensor 350-34293 - view 2
Walker Products Oxygen Sensor 350-34293 - view 3
Walker Products Oxygen Sensor 350-34293 - view 4

Vehicles this part fits
    Part number: 350-34293
    UPC: 724620091100
    Condition: New
    Weight: 0.34 LBS
    Item Package Code: EA
    Part Has Core (Y/N): N
    Item Package Quantity: 1
    $72.99
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    Walker Products Oxygen Sensor P/N:350-34293
    Walker Products Oxygen Sensor P/N:350-34293
    $72.99
    $72.99

    Walker Products 350-34293 oxygen sensor for the 1990-1991 Mitsubishi Montero V6 3.0L measures the oxygen in the exhaust gas to show how efficiently the engine burns fuel. The Walker Products oxygen sensor sends the ECU the diagnostic feedback it expects for this application.

    • Monitors exhaust gases to help reduce pollutants
    • Electrodes with a gas-permeable platinum layer
    • Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust
    • Measures oxygen levels to help fine-tune the air-fuel mixture and support fuel economy
    • Narrow-band, 4-wire sensor made for its specific application and fitting position

    Quick facts

    • Part: Walker Products 350-34293 oxygen sensor
    • Fits: 1990-1991 Mitsubishi Montero V6 3.0L
    • Position: Upstream
    • Condition: New

    Rough running, higher fuel use or a check engine light can point to a worn sensor, but a damaged wiring harness or connector can be behind them too, so inspect both for physical damage before you replace the sensor.

    Fits

    This oxygen sensor is a direct-fit replacement for the 1990-1991 Mitsubishi Montero V6 3.0L, which takes one. The listing is a single sensor.

    Specifications

    Fit and size

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

    Build and materials

    • Type: narrow-band
    • Installation type: direct fit
    • Condition: new

    Product information is for general reference and may contain errors. See our Disclaimer.

    Frequently Asked Questions

    Does this Montero oxygen sensor fit the 1990-1991 Mitsubishi Montero V6 3.0L?

    Yes. Walker Products 350-34293 is an upstream, direct-fit oxygen sensor for the 1990-1991 Mitsubishi Montero V6 3.0L, and that engine takes one.

    Is the Walker Products 350-34293 a narrow-band or wideband sensor?

    It is a narrow-band sensor with 4 wires. It measures the oxygen content of the exhaust gas and gives the ECU diagnostic feedback.

    Is this an upstream or downstream oxygen sensor?

    This is an upstream oxygen sensor, and the listing is one sensor with an M18 - 1.5 thread.

    What engine problems can a failing oxygen sensor cause?

    A failed sensor can make the engine run poorly, raise fuel consumption or light the check engine light. A shop can test the sensor and the wiring to confirm.

    Do the electrodes on this oxygen sensor have a protective coating?

    Yes. The electrodes use a gas-permeable platinum layer, and the coating keeps combustion residue and particulates from contaminating or eroding the electrode surfaces.

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