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Denso 234-4161 Oxygen Sensor with 15.35” 4-Wire Harness

4.6 4.6 out of 5 stars 270 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Automotive Replacement Oxygen Sensors by Denso

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Purchase options and add-ons

Brand Denso
Material Zirconium
Item Weight 0.2 Pounds
Style Modern
Mounting Type Flange Mount

About this item

  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation, Wiring Harness Overall Length (in): 15.35
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$35.43
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Ships from and sold by Engines Stores ✅✅.
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Ships from and sold by Engines Stores ✅✅.
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$35.44
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Ships from and sold by Engines Stores ✅✅.
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Denso 234-4161 Oxygen Sensor with 15.35” 4-Wire Harness
Denso 234-4161 Oxygen Sensor with 15.35” 4-Wire Harness
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Price-53% $35.43
List:$75.01
-31% $55.75
List:$80.54
-26% $51.37
List:$69.41
-20% $169.99
List:$211.80
-55% $42.78
List:$94.99
-24% $139.67
List:$182.98
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Mileage
5.0
4.1
4.6
4.8
4.1
4.4
Value for money
4.8
4.3
4.5
4.6
4.4
4.4
Easy to install
4.8
4.5
4.5
4.4
4.7
Sold By
Engines Stores ✅✅
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Sixity Auto
specific uses
Oxygen Sensor
Oxygen Sensor
Oxygen Sensor
Temperature
Time
material
Zirconium
Zirconium
Zirconium
Zirconium
Stainless Steel
Zirconium
mounting type
Flange Mount
Flange Mount
Flange Mount
Flange Mount
Flange Mount
Flange Mount
style
Modern
Modern
Modern
Modern
Oxygen Sensor
Modern
weight
0.2 pounds
0.26 pounds
118 grams
0.26 pounds
0.25 pounds
0.2 pounds

WARNING:

CHOKING HAZARD -- WARNING: This product contains small magnets. Swallowed magnets can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnets are swallowed or inhaled.

From the manufacturer

About us

DENSO is a global company focused on advanced mobility that positively changes how the world moves and contributes to greater well-being. As a global Fortune 500 company, we have a broad product portfolio and widespread global impact. We are focused on the development of core technologies in four fields to create new value and influence the future of mobility. DENSO's network spans across 35 countries and regions allowing us to share diverse perspectives and opinions to deliver global and regional solutions to meet societal needs.

Product Description

Denso 234-4161 Oxygen Sensor with 15.35” 4-Wire Harness

Product information

Technical Details

Additional Information

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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Denso 234-4161 Oxygen Sensor with 15.35” 4-Wire Harness


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What's in the box

  • Oxygen Sensor
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    270 global ratings

    Customers say

    Customers like the fit, performance, quality, ease of installation, and value of the electronic sensor. For example, they mention it works like a champ, it saves them money, and it's high quality OEM equipment. Customers are also happy with the light.

    AI-generated from the text of customer reviews

    32 customers mention28 positive4 negative

    Customers like the fit of the electronic sensor. They say it's a perfect fit for their Toyota Tundra and Sequoia, and works well.

    "...Great sensors and perfect fit." Read more

    "Perfect fit for the drivers side rear 02 sensor on my 2004 Toyota Tundra...." Read more

    "These are a perfect fit for a Toyota Sequoia 2003 if you engine light is on showing you the O2 sensor is the problem...." Read more

    "Perfect fit! This is the brand you need when replacing O2 sensors...." Read more

    26 customers mention24 positive2 negative

    Customers are satisfied with the performance of the electronic sensor. For example, they mention that it works well, clears codes, and has no issues. Some say that the price is right and the quality is superb. Overall, most are happy with their purchase and recommend it to others.

    "...new Denso's all around and my Tundra (235,000 miles and counting) ran great and no longer gives me false readings. Great sensors and perfect fit." Read more

    "...I had to re-route a harness to make it fit. Otherwise, the parts work fine, the smog issue is fixed." Read more

    "Easy 5 minute fix for my Tundra. No more check engine light, runs like a champ. Highly recommend." Read more

    "As expected worked perfectly for 2003 Sequoia.. cross referenced a lot with rockauto and denso website to make sure it was the correct OE part...." Read more

    17 customers mention13 positive4 negative

    Customers like the quality of the electronic sensor. Some say it's the best quality out there, comes with a new quality gasket, and works great. Overall, most are satisfied with the product and its performance.

    "...Great sensors and perfect fit." Read more

    "...It's the sensor further to the back of the truck.Good quality and so far it's working perfectly." Read more

    "...This O2 sensor from amazon worked perfectly (after reset the check engine light)...." Read more

    "...Packaging left something to desire especially since O2 sensors are extremely sensitive...." Read more

    16 customers mention16 positive0 negative

    Customers find the installation of the electronic sensor to be easy. They mention that the product is easy to order and install, and the parts are an exact fit. Some say that the sensor is also easy to change.

    "...Can't be happier! These are a piece of cake to install as long as the nuts are not overly rusted...." Read more

    "...Once I figure that out it was a easy fit and installation. The check engine light went out without needing to clear the code with a OBD2 scanner...." Read more

    "...two fonts were the same and applied in the same technique, easily on the same machine...." Read more

    "...Simple install, maybe 10-15 minutes...." Read more

    13 customers mention13 positive0 negative

    Customers appreciate the value of the electronic sensor. They say it's high quality OEM equipment that saves them money over buying the sensors at the parts store.

    "...Denso are the original equipment used by Toyota and this is a good price for it...." Read more

    "...Price is worth the quality and ling term investment. Packaging left something to desire especially since O2 sensors are extremely sensitive...." Read more

    "...Saved me a lot of money over buying the sensors at the parts store." Read more

    "Easy install. Saved a lot vs repair shop." Read more

    8 customers mention8 positive0 negative

    Customers are satisfied with the electronic sensor. They mention that it is easy to install and has removed the check engine light. Some say that the sensor has worked without error and has not appeared.

    "...The check engine light went out without needing to clear the code with a OBD2 scanner. The price here is about half of a online auto part store...." Read more

    "...And it worked, to date no error and no check engine lights have appeared." Read more

    "Easy 5 minute fix for my Tundra. No more check engine light, runs like a champ. Highly recommend." Read more

    "...Been 3 weeks and the check engine light has not turned, which means the new sensor took care of it and works!..." Read more

    Visit DENSO-use part finder to verify fit
    4 Stars
    Visit DENSO-use part finder to verify fit
    2000 Toyota Tacoma 3.4 manual trans and California excluded emissions "upstream sensor" my first sensor ordered was listed as fitting my truck (on Amazon).. in fact it did not. Wrong connector. Strongly suggest verify your make/model with Denso web site prior to purchase. Diff sensors based on transmission type, engine and California emissions (have or not). Denso auto parts for verification. Also, DIYers, plan ahead, the nuts that attach to the studs have an M8 thread. Suggest replace them w/new and anticipate a need for a nut extractor. Had 1 nut strip out (12mm) the nut extractor saved the day -
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    Top reviews from the United States

    Reviewed in the United States on January 31, 2017
    8 people found this helpful
    Report
    Reviewed in the United States on January 23, 2024
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    3 people found this helpful
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    Reviewed in the United States on October 7, 2016
    Reviewed in the United States on September 10, 2023
    Reviewed in the United States on May 23, 2019
    One person found this helpful
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    Reviewed in the United States on February 8, 2020
    3 people found this helpful
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    Reviewed in the United States on April 5, 2022
    One person found this helpful
    Report

    Top reviews from other countries

    Amazon Customer
    5.0 out of 5 stars 2003 Tundra
    Reviewed in Canada on July 5, 2023
    SurfZica
    5.0 out of 5 stars So far so good
    Reviewed in Canada on September 29, 2018
    ben henry
    5.0 out of 5 stars Denso is the business!
    Reviewed in Canada on July 10, 2018
    Ken
    5.0 out of 5 stars Five Stars
    Reviewed in Canada on May 5, 2015