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Deal.ai › DENSO › Denso Oxygen Sensors
DENSO
Denso Oxygen Sensor 234-4050

Denso Oxygen Sensor 234-4050

Best price now

$52.72at WalmartChecked Nov 12

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $52.72 at Walmart on Nov 12.
  • Checked at 2 stores.

Our take on the Denso Oxygen Sensor 234-4050

The Denso 234-4050 is a universal four-wire heated oxygen sensor with an 11.77-inch lead. It is a fit-anywhere replacement for a failed upstream or downstream sensor on many vehicles, and it needs the old connector spliced onto its bare wires. Denso supplies oxygen sensors to several automakers as original equipment, so the sensing element is the same grade as many factory parts. Against vehicle-specific sensors with factory plugs, it trades plug-and-play convenience for broader coverage and a lower-cost universal design.

Best forDrivers replacing a failed O2 sensor on an older or out-of-warranty vehicleOwners who can splice and crimp wiring themselvesVehicles whose exact-fit sensor is hard to findA spare sensor for a high-mileage car
Pros
  • Heated four-wire design works on both upstream and downstream positions
  • Original-equipment-grade sensing element from a major OEM supplier
  • Universal wiring covers many vehicles with one part
  • Long 11.77-inch lead gives slack for routing
  • Well known for accurate, stable readings
Cons
  • No factory connector; you must splice the old plug onto the wires
  • Wrong splicing or poor crimps cause fault codes and poor running
  • Universal fit means checking the application carefully before buying
  • Not a direct plug-in swap like vehicle-specific sensors

Denso Oxygen Sensor 234-4050 prices at every store

  • WalmartNew

    In stock

    $52.72Free shippingChecked Nov 12
    Visit Walmart
  • AmazonNew

    Availability unknown

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

    $52.72Free shippingChecked Nov 12
    Visit Amazon

Store links may earn us a commission.

Denso Oxygen Sensor 234-4050 price history

Lowest price we've seen: $52.72 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.

What reviewers say

Owners of universal Denso sensors generally report the car runs cleanly again and fuel trims return to normal after a careful splice. Complaints center on the splicing work and on fault codes that appear when connections are sloppy.

What people mention
  • SplicingCriticisedOwners say joining the old connector to the bare wires takes care and patience.
  • AccuracyPraisedReviewers report fuel trims and codes settling once the sensor is installed.
  • BuildPraisedBuyers describe the sensor as solid and comparable to the factory part.
  • FitmentMixedThe universal design covers many cars, but some buyers find it does not suit theirs.
  • CodesCriticisedPoor connections after splicing bring back check-engine lights.

About the Denso Oxygen Sensor 234-4050

Oxygen Sensor 4 Wire, Universal, Heated, Wire Length: 11.77

Specifications

color
MulticolorSource

Questions and answers

Is this a direct plug-in replacement?
No. It is a universal sensor with bare wire ends, so you cut the connector off the old sensor and splice it onto this one.
Does it work upstream and downstream?
Yes. The heated four-wire design is used in either position, but check that the application calls for a four-wire heated sensor.
How long is the wire?
The lead is 11.77 inches, which is enough to route to the original connector location on most applications.
Do I need special tools?
You need an oxygen sensor socket or wrench, plus crimpers and heat-shrink or butt connectors for the splice.
Will it clear my check-engine light?
It will if the old sensor was the cause and the splice is sound. Other faults, such as a bad heater circuit or exhaust leak, will keep the light on.
Is Denso a good brand for oxygen sensors?
Yes. Denso is a major original-equipment supplier, and its sensors are widely regarded as reliable replacements.
Where is the Denso Oxygen Sensor 234-4050 cheapest?
At Walmart, for $52.72, as of our latest check.
Where can I buy the Denso Oxygen Sensor 234-4050?
2 stores we checked sell it, including Walmart, Amazon.

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