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Deal.ai › DENSO
DENSO
DENSO 234-4854 Oxygen Sensor

DENSO 234-4854 Oxygen Sensor

4.8(26 ratings)

Best price now

$63.95at Newparts.comChecked 1 h ago

25% under what the other stores charge

Compared across 14 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $63.95 at Newparts.com (checked Nov 12, 2026).
  • Checked at 14 stores.

Our take on the DENSO 234-4854 Oxygen Sensor

The DENSO 234-4854 is a direct-fit, heated four-wire oxygen sensor with a 12.68-inch lead. It is a factory-style replacement for the upstream or downstream sensor on many vehicles, and DENSO supplies these sensors to automakers as original equipment. Its aluminum oxide trap layer and dual-layer ceramic shielding are meant to resist silicone and lead contamination and keep response times fast. Against cheaper universal sensors, it avoids splicing and crimping, which is the main reason buyers choose it.

Best forOwners replacing a failed oxygen sensor with an OE-style partDrivers who want a plug-and-play fit without splicing wiresVehicles that call for a DENSO sensor from the factoryFixing check-engine codes and rough running caused by a bad sensor
Pros
  • Direct fit with the factory connector, no wire splicing
  • Heated four-wire design reaches operating temperature quickly
  • Aluminum oxide trap layer resists silicone and lead contamination
  • Laser-welded stainless housing and PTFE filter resist corrosion and dirt
  • DENSO builds oxygen sensors as original equipment for many brands
Cons
  • Costs more than generic universal sensors
  • Must be matched to the correct position and engine for the vehicle
  • A failed sensor can be caused by another fault, so replacement alone may not fix the code

DENSO 234-4854 Oxygen Sensor prices at every store

  • Newparts.comNew

    In stock

    $63.95Checked 1 h ago
    Visit Newparts.com
  • WalmartNew

    In stock

    $72.11Free shippingChecked 1 h ago
    Visit Walmart
  • NAPA Auto PartsNew

    In stock

    $162.74Free shippingChecked 1 h ago
    Visit NAPA Auto Parts
  • Partsgeek.comNew

    Availability unknown

    $74.13Checked 1 h ago
    Visit Partsgeek.com
  • AmazonNew

    Availability unknown

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

    $74.15Free shippingChecked 1 h ago
    Visit Amazon
  • Partzilla.comNew

    Availability unknown

    $75.19Checked 1 h ago
    Visit Partzilla.com
  • Summit RacingNew

    Availability unknown

    $76.99Checked 1 h ago
    Visit Summit Racing
  • PartCatalog.comNew

    Availability unknown

    $82.96Checked 1 h ago
    Visit PartCatalog.com
  • CARiD.comNew

    Availability unknown

    $85.76Checked 1 h ago
    Visit CARiD.com
  • JEGS High PerformanceNew

    Availability unknown

    $93.82Checked 1 h ago
    Visit JEGS High Performance
  • CarParts.comNew

    Availability unknown

    $93.99Checked 1 h ago
    Visit CarParts.com
  • eBayNew

    Availability unknownSold by goodtrust-autoparts

    $99.99Checked 1 h ago
    Visit eBay
  • AutoZoneNew

    Availability unknown

    $134.99Checked 1 h ago
    Visit AutoZone
  • Advance Auto PartsNew

    Availability unknown

    $134.99Checked 1 h ago
    Visit Advance Auto Parts

Also available at

  • Team VehicleCheck price at Team Vehicle

Store links may earn us a commission.

DENSO 234-4854 Oxygen Sensor price history

Lowest price we've seen: $63.95 on Nov 12 at Newparts.com. Tracked across 14 stores since Nov 12.

What reviewers say

  • 4.8 / 526 ratings

Buyers rate it highly and describe it as a true direct-fit part that installs without modification. Complaints are few and mostly about matching the right sensor to the vehicle.

What people mention
  • FitPraisedOwners say the connector and wire length match the factory sensor, so it installs without splicing.
  • Build qualityPraisedBuyers describe it as a solid OE-grade part rather than a cheap universal sensor.
  • Code fixPraisedReviewers report that replacing the old sensor cleared check-engine codes and smoothed running.
  • Vehicle matchingMixedSome note the sensor must be matched to the right position and engine, which takes care when ordering.

About the DENSO 234-4854 Oxygen Sensor

This DENSO oxygen sensor is a direct-fit, heated, 4-wire replacement part. It is built to OE standards and made for an exact fit. The wire length is 12.68.

The housing is laser-welded stainless steel that resists corrosion. A PTFE filter blocks contaminants under harsh engine conditions. Dual-layer protection shields the ceramic element to support fast, reliable response times.

An aluminum oxide trap layer protects the ceramic element from silicone and lead poisoning.

Brand
DENSO
Part number
234-4854
Type
Oxygen sensor, heated
Wires
4
Fit
Direct fit
Wire length
12.68
Housing
Laser-welded stainless steel
Filter
PTFE

Questions and answers

Is this a direct-fit sensor or a universal one?
It is a direct-fit sensor with a factory-style connector and a 12.68-inch lead. No splicing or crimping is needed.
Is it heated?
Yes. It is a four-wire heated sensor, so it reaches operating temperature quickly after a cold start.
What does the aluminum oxide trap layer do?
It is designed to protect the ceramic element from silicone and lead contamination. That helps keep response times fast and extends sensor life.
Can I use it in either the upstream or downstream position?
Only where the vehicle calls for this exact part number. Sensor position and engine vary, so confirm the application before ordering.
Will it fix my check-engine light?
It fixes codes caused by a failed sensor. If the code comes from a wiring fault, exhaust leak or another cause, replacing the sensor alone may not clear it.
Where is the DENSO 234-4854 Oxygen Sensor cheapest?
At Newparts.com, for $63.95, 25% under what the other stores charge, as of our latest check.
What do buyers say about the DENSO 234-4854 Oxygen Sensor?
Rated 4.8 out of 5 from 26 ratings.
Where can I buy the DENSO 234-4854 Oxygen Sensor?
15 stores we checked sell it, including Newparts.com, Amazon, Walmart, Partsgeek.com, Partzilla.com.

Stores we've priced the DENSO 234-4854 Oxygen Sensor at

  • Walmart deals and prices

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