Oxygen Sensor for 2004-2007 Toyota Highlander - DENSO 234-4504

$132.99
DENSO Auto Parts Oxygen Sensor 234-4504
DENSO Auto Parts Oxygen Sensor 234-4504 - view 2
DENSO Auto Parts Oxygen Sensor 234-4504
DENSO Auto Parts Oxygen Sensor 234-4504 - view 2

Vehicles this part fits
    Part number: 234-4504
    UPC: 042511145047
    Condition: New
    Weight: 0.25 LBS
    Item Package Code: EA
    Part Has Core (Y/N): N
    Item Package Quantity: 1
    $132.99
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    DENSO Auto Parts Oxygen Sensor P/N:234-4504
    DENSO Auto Parts Oxygen Sensor P/N:234-4504
    $132.99
    $132.99

    DENSO Auto Parts 234-4504 oxygen sensor for the 2004-2007 Toyota Highlander 4-cylinder 2.4L measures the oxygen in the exhaust downstream of the converter. This heated, direct-fit sensor is made for this engine.

    • Laser-welded stainless housing that resists corrosion
    • PTFE filter that blocks contaminants under harsh engine conditions
    • Dual-layer protection around the ceramic element for fast, reliable response times
    • Aluminum oxide trap layer that protects the ceramic element from silicone and lead poisoning
    • Heated narrow-band sensor with four wires

    Quick facts

    • Part: DENSO Auto Parts 234-4504 oxygen sensor
    • Fits: 2004-2007 Toyota Highlander 4-cylinder 2.4L
    • Position: Downstream
    • Condition: New

    A check engine light, lower fuel economy or rough running can mean the sensor is worn, though a damaged wiring connector or a failing catalytic converter can also be behind them, so find the cause before you replace it.

    Fits

    This listing is one downstream sensor for the 2004-2007 Toyota Highlander 4-cylinder 2.4L (L4-2.4L), and that engine takes one.

    Specifications

    Fit and size

    • Position: Downstream
    • Quantity per vehicle: 1
    • Thread diameter: 0.708 in
    • Wiring harness length: 31.50 in
    • Wires: 4

    Build and materials

    • Sensor type: narrow-band, heated
    • Mounting type: threaded
    • Connector: female
    • Condition: New
    • Country of origin: United States

    This part cross-references / interchanges with the following part numbers:

    213-3873, 15986, ES20226, 24237, 24451, SG1755, 8946548120, 8946548190, 250-24644, 350-34093

    Frequently Asked Questions

    Will the DENSO 234-4504 fit a 2004-2007 Toyota Highlander 4-cylinder 2.4L?

    Yes. DENSO Auto Parts 234-4504 is a direct-fit downstream oxygen sensor for the 2004-2007 Toyota Highlander 4-cylinder 2.4L (L4-2.4L), and that engine takes one.

    Is this DENSO Auto Parts oxygen sensor heated or narrow-band?

    Both. The DENSO Auto Parts 234-4504 is a heated, narrow-band sensor with four wires, a female connector and a threaded mount.

    How long is the wiring harness on the 234-4504 oxygen sensor?

    The wiring harness is 31.50 inches long. The threaded body has a 0.708 inch thread diameter.

    What can a downstream oxygen sensor going bad look like?

    Possible signs are a check engine light, lower fuel economy or rough running. A shop can read the codes and test the sensor with a scan tool.

    What does the PTFE filter on this oxygen sensor do?

    The PTFE filter blocks contaminants under harsh engine conditions. The aluminum oxide trap layer on this sensor protects the ceramic element from silicone and lead poisoning.

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