Left Right Oxygen Sensor for 1993-1995 Subaru Impreza & More - Walker 350-33049

$52.99
WARNING:California Proposition 65▾

Vehicles this part fits

    Part number: 350-33049
    UPC: 724620087707
    Condition: New
    Weight: 0.20 LBS
    Item Package Code: EA
    Part Has Core (Y/N): N
    Item Package Quantity: 1
    $52.99
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    Walker Products Oxygen Sensor P/N:350-33049
    Walker Products Oxygen Sensor P/N:350-33049
    $52.99
    $52.99

    Walker Products 350-33049 oxygen sensor for the 1993-1995 Subaru Impreza H4 1.8L and other vehicles measures the oxygen in the exhaust gas to show how well combustion is working. Each Walker part number is made for a specific application and fitment position.

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

    Quick facts

    • Part: Walker Products 350-33049 oxygen sensor
    • Fits: 1993-1995 Subaru Impreza H4 1.8L and other vehicles
    • Position: upstream, downstream, upstream left or upstream right
    • Condition: New

    A failing oxygen sensor can show up as rough running, higher fuel consumption or a lit malfunction indicator light. None of these proves the sensor is at fault, since a damaged wiring harness or connector can also set off the light.

    Fits

    This direct-fit sensor is an oxygen sensor for the 1993-1995 Subaru Impreza H4 1.8L, and it also fits the 1990-1994 Subaru Legacy H4 2.2L and the 1992-1997 Subaru SVX H6 3.3L. This listing is one sensor, and the 1992-1997 Subaru SVX H6 3.3L takes one.

    Specifications

    Fit and size

    • Position: upstream, downstream, upstream left or upstream right
    • Quantity per application: 1

    Build and materials

    • Sensor type: narrow-band, direct fit
    • Wires: 3
    • Electrodes: gas-permeable platinum layer
    • Condition: New

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

    Frequently Asked Questions

    Is this an oxygen sensor for the 1990-1994 Subaru Legacy H4 2.2L?

    Yes. Walker Products 350-33049 is listed for the 1990-1994 Subaru Legacy H4 2.2L.

    Is the Walker Products oxygen sensor a narrow-band type?

    Yes. Walker Products 350-33049 is a 3-wire, direct-fit narrow-band oxygen sensor.

    Is this oxygen sensor upstream or downstream?

    This part number is listed for upstream, downstream, upstream left and upstream right positions, depending on the application.

    How do I check this oxygen sensor's wiring and connector for damage?

    With the engine off and cool, look over the sensor, its wiring harness and the connector for physical damage. A shop can read the fault codes stored in the ECU.

    What does the platinum layer on this oxygen sensor do?

    The platinum layer is gas-permeable and forms the electrodes. The sensor's coating shields the electrode surfaces from contamination and erosion caused by combustion residue and particulates in the exhaust.

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