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Deal.ai › DENSO
DENSO
DENSO 234-4033 Oxygen Sensor

DENSO 234-4033 Oxygen Sensor

4.8(26 ratings)

Best price now

$38.00at eBayChecked 1 h ago

32% under what the other stores charge

Compared across 13 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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Price facts

  • Lowest price today: $38.00 at eBay (checked Nov 12, 2026).
  • Checked at 13 stores.
  • Our take on the DENSO 234-4033 Oxygen Sensor

    The DENSO 234-4033 is a direct-fit oxygen sensor built to OE specifications, so it plugs into the factory connector and threads into the original bung without splicing or adapters. DENSO supplies sensors to automakers, and this one is a good match for drivers chasing a check-engine light or rough running caused by a lazy upstream sensor. Against cheaper universal sensors, it costs more but avoids the wiring work and the miswiring risk that come with a splice-in part. Buyers rate it highly and mostly report a straight fit and a fixed code.

    Best forDrivers replacing a failed upstream oxygen sensorOwners who want an OE-style plug-and-play fitCars with a DENSO sensor from the factory
    Pros
    • Direct-fit connector, no splicing
    • OE-quality sensing element and construction
    • Correct thread and length for the listed application
    • Fixes lean/rich codes and rough idle when the old sensor is the cause
    • Strong buyer ratings for fit and function
    Cons
    • Costs more than universal sensors
    • Only fits the applications it is listed for
    • No sensor socket included
    • Aged wiring or a different fault can still trigger the same code

    DENSO 234-4033 Oxygen Sensor prices at every store

    • eBayNew

      In stock

      $38.00Checked 1 h ago
      Visit eBay
    • WalmartNew

      In stock

      $55.83Free shippingChecked 1 h ago
      Visit Walmart
    • AutoZoneNew

      In stock

      $81.99+ $4.99 shippingChecked 1 h ago
      Visit AutoZone
    • Newparts.comNew

      Availability unknown

      $48.95Checked 1 h ago
      Visit Newparts.com
    • Partzilla.comNew

      Availability unknown

      $52.02Checked 1 h ago
      Visit Partzilla.com
    • DENSOproductsNew

      Availability unknown

      $53.50Checked 1 h ago
      Visit DENSOproducts
    • Partsgeek.comNew

      Availability unknown

      $55.47Checked 1 h ago
      Visit Partsgeek.com
    • Auto BarnNew

      Availability unknown

      $56.15Checked 1 h ago
      Visit Auto Barn
    • Summit RacingNew

      Availability unknown

      $57.99Checked 1 h ago
      Visit Summit Racing
    • FR SportNew

      Availability unknown

      $64.49Checked 1 h ago
      Visit FR Sport
    • CARiD.comNew

      Availability unknown

      $69.26Checked 1 h ago
      Visit CARiD.com
    • Advance Auto PartsNew

      Availability unknown

      $81.99Checked 1 h ago
      Visit Advance Auto Parts
    • NAPA Auto PartsNew

      Availability unknown

      $104.99Checked 1 h ago
      Visit NAPA Auto Parts

    Also available at

    • Auto Parts and StuffCheck price at Auto Parts and Stuff

    Store links may earn us a commission.

    DENSO 234-4033 Oxygen Sensor price history

    Lowest price we've seen: $38.00 on Nov 12 at eBay. Tracked across 13 stores since Nov 12.

    What reviewers say

    • 4.8 / 526 ratings

    Buyers rate it 4.8 out of 5 and mostly describe a sensor that fits the factory connector and clears the code that sent them looking. Complaints are few and center on cost and on codes that returned for reasons other than the sensor.

    What people mention
    • FitPraisedBuyers say the connector and threads match the original part, so installation needs no adapters.
    • Code fixPraisedMost report the check-engine light and oxygen-sensor codes going away after replacement.
    • BuildPraisedOwners describe it as looking and feeling like the factory sensor.
    • ValueMixedSome buyers find it expensive next to universal sensors, though they accept it for the plug-and-play fit.
    • DurabilityMixedA few say the same code came back, which they attribute to other faults or to the part failing early.

    About the DENSO 234-4033 Oxygen Sensor

    The DENSO 234-4033 is an oxygen sensor, also called a fuel-ratio sensor. It replaces a malfunctioning sensor to help the engine run efficiently and produce fewer emissions.

    It is built with Denso sensor technology and helps regulate engine performance and emissions. It is made to OE quality and reliability for fit and function in the vehicle.

    Brand
    DENSO
    Part number
    234-4033
    Type
    Oxygen sensor (fuel-ratio sensor)
    Quality
    OE quality and reliability

    Questions and answers

    Is this a direct-fit or a universal sensor?
    It is a direct-fit sensor with the factory-style connector, so it plugs in without splicing. Universal sensors need you to reuse or crimp the old plug.
    Will it clear my check-engine light?
    It clears oxygen-sensor codes when the sensor is the actual fault. If the code comes from a vacuum leak, exhaust leak or wiring, replacing the sensor will not fix it.
    Do I need a special socket?
    A slotted oxygen-sensor socket makes removal and installation much easier, but it is not included. A standard wrench can work where there is room.
    How do I know it fits my car?
    Fit depends on the vehicle, engine and sensor position (upstream or downstream). Confirm the part number against your car's application before ordering.
    Should I replace both sensors at once?
    Not necessarily. Replace the one that failed; on high-mileage cars, many owners also do the matching sensor on the other bank while they are under the hood.
    Where is the DENSO 234-4033 Oxygen Sensor cheapest?
    At eBay, for $38.00, 32% under what the other stores charge, as of our latest check.
    What do buyers say about the DENSO 234-4033 Oxygen Sensor?
    Rated 4.8 out of 5 from 26 ratings.
    Where can I buy the DENSO 234-4033 Oxygen Sensor?
    14 stores we checked sell it, including eBay, Newparts.com, Partzilla.com, DENSOproducts, Partsgeek.com.

    Stores we've priced the DENSO 234-4033 Oxygen Sensor at

    • Walmart deals and prices

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