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Deal.ai › DENSO
DENSO
DENSO 234-4503 Oxygen Sensor

DENSO 234-4503 Oxygen Sensor

Best price now

$24.99at AmazonChecked Nov 12

68% under what the other stores charge

Compared across 4 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Last seen at $24.99 at Amazon on Nov 12.
  • Checked at 4 stores.
  • Our take on the DENSO 234-4503 Oxygen Sensor

    The DENSO 234-4503 is a direct-fit heated oxygen sensor for the upstream position on many Toyota and Lexus engines. It comes with a 4-pin flat connector and a 26-inch harness, so it plugs into the factory wiring without splicing. DENSO is an original-equipment supplier, and this sensor is built to the same spec as the part that came on the car. That makes it a safer bet than a universal sensor, which needs wire splicing and often fits loosely.

    Best forToyota and Lexus owners replacing a failed upstream sensorDrivers who want an OE-style plug-and-play fitDIYers avoiding universal splice-in sensorsFixing check-engine codes and poor fuel economy
    Pros
    • Direct-fit 4-pin connector, no splicing
    • Heated element reaches operating temperature quickly
    • OE supplier build quality
    • Correct 26-inch harness length for the application
    • Threaded M18-style body installs with a standard sensor socket
    Cons
    • Fits only specific Toyota and Lexus applications
    • Costs more than universal sensors
    • Requires confirming the exact engine and position before buying
    • No sensor socket included

    DENSO 234-4503 Oxygen Sensor prices at every store

    • Team VehicleNew

      In stockReturn policy

      $72.66Checked Nov 12
      Visit Team Vehicle
    • Auto Parts and StuffNew

      In stockReturn policy

      $77.87Checked Nov 12
      Visit Auto Parts and Stuff
    • UpStart Auto Parts & MoreNew

      In stockReturn policy

      $79.07Checked Nov 12
      Visit UpStart Auto Parts & More
    • AmazonNew

      Availability unknown

      As an Amazon Associate, Deal.ai earns from qualifying purchases.

      $24.99Checked Nov 12
      Visit Amazon

    Store links may earn us a commission.

    DENSO 234-4503 Oxygen Sensor price history

    Lowest price we've seen: $24.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.

    From Auto Parts and Stuff

    • Oxygen sensor for a vehicle's exhaust system
    • Measures oxygen levels for engine control
    • New condition
    • Sold in quantity of 1
    • Ships in 1 business day
    • In original DENSO packaging
    Returns
    Most items can be returned within 30 days of delivery if unused and in original, undamaged packaging; email for a Return Authorization (RA) number first; 15% re
    Shipping
    Most orders leave the warehouse within 1 business day unless otherwise noted; add to cart to estimate shipping costs and taxes.
    In the box
    DENSO 234-4503 Oxygen Sensor

    About the DENSO 234-4503 Oxygen Sensor

    The DENSO 234-4503 is an oxygen sensor for a vehicle's exhaust system. It measures oxygen levels so the engine can be controlled.

    It is a heated sensor with a threaded mount and a 0.708 in thread diameter. It connects through a 25.98 in wiring harness with four wires and a 4-pin flat female connector. It is a specific-fit part, not a universal one.

    Brand
    DENSO
    Part number
    234-4503
    Sensor type
    Heated
    Mounting type
    Threaded
    Thread diameter
    0.708 in
    Fit
    Specific fit
    Harness length
    25.98 in
    Wires
    4
    Connector
    4-pin flat connector, female
    Condition
    New, in original DENSO packaging
    Quantity
    Sold as 1
    In the box
    DENSO 234-4503 Oxygen Sensor

    What buyers say

    Buyers like
    • Fast shipping and quick delivery
    • Helpful service online and by phone
    • Orders arrive exactly as ordered
    • Good pricing
    • Fast order handling and follow-up
    • Staff double-check fit

    Specifications

    Mounting Type
    ThreadedSource
    Sensor Type
    HeatedSource
    Thread Diameter
    0.708 inSource
    Universal Or Specific Fit
    SpecificSource

    Questions and answers

    Is this a direct-fit or universal sensor?
    It is direct fit. The 4-pin flat connector plugs into the factory harness, so no wire splicing is needed.
    Which position does it fit?
    It is an upstream sensor for specific Toyota and Lexus engines. Check your engine code and sensor location against DENSO's application list before ordering.
    Does it come with a gasket?
    DENSO sensors typically ship with the sensor only. Reuse the old gasket only if it is intact, or fit a new one.
    Can I install it myself?
    Yes, with a slotted oxygen sensor socket and penetrating oil. The threaded body unscrews from the exhaust bung, and the connector clips in.
    Will it clear my check-engine light?
    It should clear oxygen-sensor codes once the repair is done and the codes are reset. If the light returns, check for exhaust leaks or wiring faults.
    How does it compare with a universal sensor?
    The universal type needs you to splice the old connector onto the new sensor. This one is plug-and-play and matches the original part's length and connector.
    Where is the DENSO 234-4503 Oxygen Sensor cheapest?
    At Amazon, for $24.99, 68% under what the other stores charge, as of our latest check.
    What do buyers say about the DENSO 234-4503 Oxygen Sensor?
    Buyers like: Fast shipping and quick delivery; Helpful service online and by phone; Orders arrive exactly as ordered.
    Where can I buy the DENSO 234-4503 Oxygen Sensor?
    4 stores we checked sell it, including Team Vehicle, UpStart Auto Parts & More, Auto Parts and Stuff, Amazon.

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    Wiring Harness Length
    25.98 inSource
    Connector Gender
    FemaleSource
    Wire Quantity
    4Source
    Connector Type
    4 Pin Flat ConnectorSource
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