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Deal.ai › DENSO › Denso Oxygen Sensors
DENSO
Denso 234-4077 Oxygen Sensor

Denso 234-4077 Oxygen Sensor

5(2 ratings)

Best price now

$15.19at AmazonChecked Nov 12

Compared across 2 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 $15.19 at Amazon on Nov 12.
  • Checked at 2 stores.

Our take on the Denso 234-4077 Oxygen Sensor

The Denso 234-4077 is a direct-fit oxygen sensor built to original-equipment standards. It is a plug-and-play replacement for the factory sensor on the specific vehicles it is listed for, with the connector and wire length matched to the original. Denso supplies oxygen sensors to many automakers as original equipment, so this is the same part many cars left the factory with. The aluminum oxide trap layer is Denso's own addition, meant to shield the ceramic element from silicone and lead contamination. It suits owners chasing a check-engine light for an oxygen sensor code who want an OE-type part rather than a universal splice-in sensor.

Best forOwners replacing a failed upstream or downstream oxygen sensorDrivers who want an OE-style direct-fit part, not a universal splice-inDo-it-yourselfers with the correct part number confirmed for their car
Pros
  • Direct-fit connector and wire length, no splicing
  • Built to original-equipment specifications
  • Aluminum oxide trap layer resists silicone and lead contamination
  • Denso is a major OE supplier, so the part matches factory design
  • Precision-built for first-time fit
Cons
  • Must match the exact part number to the vehicle; one sensor does not fit all cars
  • Universal sensors cost less if you are willing to splice wires
  • Sensor life still depends on engine condition; oil or coolant leaks can kill a new one
  • No sensor socket included, so a special tool may be needed

Denso 234-4077 Oxygen Sensor prices at every store

  • AmazonNew

    Availability unknown

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

    $15.19Free shippingChecked Nov 12
    Visit Amazon
  • WalmartNew

    Out of stock

    $33.78+ $5.99 shippingChecked Nov 12
    Visit Walmart

Store links may earn us a commission.

Denso 234-4077 Oxygen Sensor price history

Lowest price we've seen: $15.19 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.

About the Denso 234-4077 Oxygen Sensor

The DENSO 234-4077 is an oxygen sensor built as an exact-replacement part. It is manufactured and tested to OE standards, and each component is precision built for a first-time fit.

The sensor has an aluminum oxide trap layer that protects the ceramic element from silicone and lead poisoning. This design is intended to support engine performance, fuel efficiency and longevity.

Brand
DENSO
Part number
234-4077
Type
Oxygen sensor
Protection
Aluminum oxide trap layer shields the ceramic element from silicone and lead poisoning
Standard
Manufactured and tested to OE standards

Specifications

color
MulticolorSource

Questions and answers

Is this a direct-fit sensor or a universal one?
It is a direct-fit sensor: the connector and wire length are built for the specific vehicles it is listed for, so it plugs in without splicing. Confirm the part number against your vehicle before buying.
Do I need a special tool to install it?
An oxygen sensor socket makes removal and installation much easier because it clears the wires. A standard wrench can work on some cars but risks damaging the connector.
What does the aluminum oxide trap layer do?
Denso says it protects the ceramic element from silicone and lead contamination. That contamination is a common cause of premature sensor failure.
Can I replace just this sensor if my car has several?
Yes, if the code points to this position. Cars often have two or more sensors, upstream and downstream, and they are not interchangeable, so match the part number to the failed position.
Will a new sensor fix my check-engine light?
Only if the stored code is for that sensor's circuit or response. Read the codes first; a sensor code can also come from a wiring fault or an exhaust leak.
Where is the Denso 234-4077 Oxygen Sensor cheapest?
At Amazon, for $15.19, as of our latest check.
What do buyers say about the Denso 234-4077 Oxygen Sensor?
Rated 5 out of 5 from 2 ratings.
Where can I buy the Denso 234-4077 Oxygen Sensor?
2 stores we checked sell it, including Walmart, Amazon.

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