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Denso 234-4206 Oxygen Sensor

Brand: Denso

4.2 170 ratings

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$54.12

Includes $2.84 Amazon discount. Details

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Purchase options and add-ons

Brand	Denso
Material	Zirconium
Item Weight	3.52 ounces
Style	Modern
Mounting Type	Flange Mount

About this item

Sample Image Provided May Differ From Actual Product
Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
Stainless steel housing and porous Teflon filter all contribute to make a long life
Improved engine performance and greater fuel efficiency

› See more product details

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Denso 234-4162 Oxygen Sensor with 4-Wire 10.5” Harness for Non-California, Non-4WD Lexus/Toyota

$51.37

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WARNING: California’s Proposition 65

Top Brand: Denso

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Product Description

DENSO REPLACEMENT OXYGEN SENSOR, FRONT, LEFT -- Front Left UNIVERSAL Oxygen Sensor, 1 Required Per Vehicle, Reuse Your Old Connector, Electrical Installation Required, Non-Returnable, Sold Individually

Location: Front Left

Product information

Technical Details

Brand

‎Denso

Material

‎Zirconium

Item Weight

‎3.52 ounces

Style

‎Modern

Mounting Type

‎Flange Mount

Specific Uses For Product

‎Oxygen Sensor

Manufacturer

‎Denso Sales Californ

Item model number

‎234-4206

Is Discontinued By Manufacturer

‎No

Manufacturer Part Number

‎234-4206

OEM Part Number

‎234-4206

Additional Information

ASIN

B000C5UFOY

Customer Reviews

4.2 170 ratings

4.2 out of 5 stars

Best Sellers Rank

#503,788 in Automotive (See Top 100 in Automotive)
#2,274 in Automotive Replacement Oxygen Sensors

Date First Available

September 20, 2007

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

Product Warranty: For warranty information about this product, please click here

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Product guides and documents

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	This Item Denso 234-4206 Oxygen Sensor	Recommendations Denso 234-4593 Oxygen Sensor	dummy Denso 234-4169 Oxygen Sensor	dummy Denso 234-4588 Oxygen Sensor	dummy Marsflex Air Fuel Ratio O2 Oxygen Sensor 234-9009 Upstream Compatible with Toyota Sienna Highlander Camry Avalon Lexus RX300 ES300, Replacement 250-54054	dummy Denso 234-4065 Oxygen Sensor
	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart
Price	$54.12	-33% $24.88 List: $37.24	-30% $42.22 List: $59.95	$27.92	$39.99	-25% $33.70 List: $44.75
Delivery	Get it May 10 - 14	Get it as soon as Tuesday, May 14	Get it as soon as Tuesday, May 14	Get it as soon as Monday, May 13	Get it as soon as Wednesday, May 15	Get it as soon as Monday, May 13
Customer Ratings	4.2170	4.3107	4.8767	4.3514	4.02,981	4.6167
Mileage	4.3	3.0	4.7	3.3	3.1	5.0
Value for money	4.3	4.0	4.8	4.1	3.5	5.0
Easy to install	4.0	4.2	4.5	3.8	4.1	5.0
Sold By	Newparts	Amazon.com	Amazon.com	Amazon.com	Marsflex	Amazon.com
specific uses	Oxygen Sensor	Oxygen Sensor	Oxygen Sensor	Oxygen Sensor	Oxygen Sensor	Oxygen Sensor
material	Zirconium	Zirconium	Zirconium	Zirconium	—	Zirconium
mounting type	Flange Mount	Threaded	Threaded	Threaded	Flange Mount	Threaded
style	Modern	Modern	Modern	Modern	Upstream	Modern
weight	0.22 pounds	0.01 ounces	0.1 pounds	0.25 pounds	—	0.26 pounds

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Customer reviews

4.2 out of 5

170 global ratings

How customer reviews and ratings work

Customers say

Customers like the quality, ease of installation, fit and value of the electronic sensor. For example, they mention it works great, the crimps and instructions are included and it's a perfect fit. That said, some complain that the connector is not included.

AI-generated from the text of customer reviews

16 customers mention13 positive3 negative

Customers like the quality of the electronic sensor. They say it works great, is easy to install, and is of Japanese quality. Some say that the sensor helps their vehicle run better.

"...It has been working perfectly ever since...." Read more

"Awesome! Worked like a charm!" Read more

"...In addtion, the vehicle is running better than it has in quite a while and is getting noticably better fuel mileage...." Read more

"02 Tacoma rear o2 sensor works great...." Read more

10 customers mention10 positive0 negative

Customers find the installation of the electronic sensor to be easy. They mention that the crimps and instructions are included.

"...The crimps and instructions are included...." Read more

"...The installation kit was good as it included some crimp connectors and heat shrink to splice into the existing connection...." Read more

"02 Tacoma rear o2 sensor works great.install was simple I bent the metal heat shield down the night before and sprayed the rusty bolts..." Read more

"easy to install took care of my check engine lite" Read more

4 customers mention4 positive0 negative

Customers are satisfied with the fit of the electronic sensor. They mention that it fits perfectly.

"Good product and a perfect fit for my 2003 Landcruiser...." Read more

"Part fit fine, cleared warning light and stayed off...." Read more

"...Perfect fit, easy assembly, it's all gravy nigga!" Read more

"Awesome. Fits perfect and gave my 93 Toyota pickup a pass with flying colors while emission testing!" Read more

4 customers mention4 positive0 negative

Customers are satisfied with the value of the electronic sensor. They mention that it works as expected and is of great value.

"...Was not too happy about that. Nevertheless very good price compared to chain auto part stores." Read more

"Good price. But like everyone else said you need to keep the original connector to wire up to the new one." Read more

"Great value. Works as expected." Read more

"got car inspected, thanks home dogs great price" Read more

5 customers mention0 positive5 negative

Customers are dissatisfied with the connector of the electronic sensor. They mention that it does not come with a plug and that the connectors are not water tight.

"...Keep in mind, this is a universal replacement part and does not come with the connector plug for your vehicle...." Read more

"...234-4206 Oxygen Sensor doesn't have a plug and it comes with non water tight crimp connectors that are going to get flooded every time it rains and..." Read more

"...However, this one does not have the connector plug and you have to use the plug from the old one. Was not too happy about that...." Read more

"...In any place, you told that the conector was not included. You may have to show the real part that costomer was buing !!!!!!!" Read more

3 customers mention0 positive3 negative

Customers dislike the wiring of the electronic sensor. They mention that it doesn't have a wire harness, adapter, and there is confusion for extra wires to connect.

"...There is a little confusion for extra wires to connect as colors were different as on existing sensor." Read more

"Doesn't have wire harness" Read more

"does not have the wiring adapter. you have to solder this in." Read more

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Top reviews from the United States

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Doug Krahmer

Great replacement part

Reviewed in the United States on January 25, 2011

Verified Purchase

I bought this O2 sensor in January 2010 for my 2002 Tundra. It has been working perfectly ever since. Keep in mind, this is a universal replacement part and does not come with the connector plug for your vehicle. Be sure to keep your old O2 sensor with the connector intact. You must salvage the connector from your old O2 sensor by cutting the wires between the connector and sensor. Crimp the new O2 sensor wires to your old connector and you're good to go. The crimps and instructions are included. If you are handy enough to replace your own O2 sensor then this little exercise should be no problem for you.

7 people found this helpful

Helpful

Adam and Kelsey Bell

Great product!

Reviewed in the United States on January 27, 2023

Verified Purchase

Awesome! Worked like a charm!

Helpful

Jet mech

Shrink wrap too skinny

Reviewed in the United States on November 6, 2019

Verified Purchase

I installed this on my 99 four runner v6-3.4 ,bank1 sensor 2. All’s well after 80 miles no check engine light.
My only gripe is that the shrink tubing would not fit over the already crimped wire splices. I ended up wrapping insulating tape over each wire and the the whole splice. I’ve put 265’000 miles on this car and done all the maintenance.
I will likely be still driving this when I’m 80..I love it. I won’t buy this product if it goes out again.

3 people found this helpful

Helpful

Amazon Customer

Universal Sensor

Reviewed in the United States on June 13, 2011

Verified Purchase

Went with the Universal Sensor for the "after CAT" installation on 2001 Toyota Sienna. After the installation the check engine light cleared and I was able to get my state inspection completed. In addtion, the vehicle is running better than it has in quite a while and is getting noticably better fuel mileage. The installation kit was good as it included some crimp connectors and heat shrink to splice into the existing connection. In my particular case, I would have had to remove the seat and carpet etc. to get to the plug. Splicing allowed me to leave the existing plug etc. in tact and just make the connections at the sensor. Note: I did try to solder the wires instead but it did not work well as I could not get the solder to flow. I decided to go with the provided crimp connectors, and heat shrink. The sensor looks to be pretty much an exact match. The wires are color coded the same etc. and you just connect like colors with the existing wiring. There are two black wires, but it is just a heater element so the polarity does not matter on those. Overall very satified, save myself a bundle doing the work myself.

6 people found this helpful

Helpful

Jan Hart-Adams

-5 stars. universal fit? crimp connectors on the bottom of your car? wrong impedance? JUNK,

Reviewed in the United States on May 21, 2021

Verified Purchase

I had purchased one these O2 sensorss before so it's a no brainier right? Wrong, it's not the same part, not the same connection. This DENSO 234-4206 Oxygen Sensor doesn't have a plug and it comes with non water tight crimp connectors that are going to get flooded every time it rains and get corroded. Even if they don't get corroded the sensor was of the wrong impedance out of the box. USELESS

One person found this helpful

Helpful

For Lexus 300, a bit smaller than the Orignal

Reviewed in the United States on May 8, 2017

Verified Purchase

Had to Cut the wires on old one. and attach this one.

To get the nut off, WD-40 and gentle tapping did the trick.
Once you get it off, Clean the Bolts and Nuts, and use lithium grease to make sure next time you take it off, it will come off.

Its a bit smaller tip than the orignal.

To reset the Check engine light, take the -ve off the battery, and put it back on after 10 sec.

Helpful

mike o.

02 Tacoma rear o2 sensor works great. install was simple I bent the metal heat ...

Reviewed in the United States on April 30, 2017

Verified Purchase

02 Tacoma rear o2 sensor works great.

install was simple I bent the metal heat shield down the night before and sprayed the rusty bolts with penetrating oil real good and drove it the next day , 12 MM bolts came out no problem, took about 15 minutes to do.

One person found this helpful

Helpful

Longhorn7175

Requires too much patchwork

Reviewed in the United States on November 5, 2018

Verified Purchase

While this sensor assembly seems to have fixed my "Check Engine" light problem, I have to express my displeasure at how much cutting and splicing has to be done to install it! I was warned by previous reviews that it would be necessary, but didn't appreciate how tedious it would be to make a proper assembly. As an electrical engineer, experience has demonstrated that any additional wire connection is another chance for failure, not to mention the additional time required to do the job right. What should have been a simple half-hour installation turned into a two hour trial with lingering concerns regarding reliability. The decision not to market an installation-ready assembly couldn't have saved Denso enough money to compensate for potential problems by DIYers. I was concerned by negative reviews on competing O2 sensor assemblies, but in retrospect I think I would have been better off taking the chance on reliability of competitors' products at half the price and have to buy two in the event of failure!

3 people found this helpful

Helpful