Description:
Denso 234-4189 Oxygen Sensor
Reviews:
5.0 out of 5 stars Works as intended.
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5.0 out of 5 stars OEM
Fixed the P0420 i had on my 2001 Tacoma 3.4L Extra Cab
5.0 out of 5 stars Just what I needed
Good install saved a ton of money going DIY. DO YOUR Wallet A FAVOR always go DIY if you can.
4.0 out of 5 stars after some research I found that the Tacoma's work best when Denso or OEM sensors are used
My Tacoma was throwing a code for the o2 sensor, after some research I found that the Tacoma's work best when Denso or OEM sensors are used. Those with a 1st gen Tacoma, should make sure to they know the difference between the o2 sensor and the AF sensor at the front of the cats. I received my o2 sensor and after inspecting it put it into my truck. I cleared the codes and checked the sensor readings, SUCCESS! The sensor was reporting back within spec and I thought all was good. The next day while driving down the road I noticed that Torque App was reporting no reading from the o2 sensor that was just replaced. After the computer cycled my check engine light came back on as the o2 sensor was once again not showing a reading. Annoyed I checked the connections to make sure all was properly connected. I ended up having to send the sensor back for an exchange. I had my new sensor in 2 days and the second one worked like a charm when plugged in. Even though the first sensor appears to be have possibly been faulty, I would still give this item 4 stars. I would honestly give the sensor 5 stars if there wasn't that question of whether the first sensor was faulty or if my truck some how fried it. I would not hesitate to order this sensor again, and I still recommend it to all my friends with Tacomas.
5.0 out of 5 stars Perfect for 04 Tacoma
Bank 1 sensor 2 , directly by the catalytic converter underneath the truck bed right before the rear wheel on passenger side. I purchased a cheaper off brand 2years ago it worked but check engine light came back on a few weeks ago. Decided to purchase the Denzo for $65 and it works perfectly. Installing is easy the connector plug under the passenger seat is easy to get to. I have the 04 tacoma 2.4L rear wheel base 5speed.
3.0 out of 5 stars Janky fit but it seems to work
I have a 2000 2.7L Tacoma Pre Runner Regular Cab. The cable for this sensor is too long and there is no need for the rubber gasket. It's also missing a clip that inserts into a bracket near the muffler hanger. I had to double loop the cable and use zip ties so it doesn't hang. The perforated sensor tip is a smaller diameter than the original one. I'm not sure if this is the correct sensor, but research tells me it is. The check engine light is off and it seems to be running smoothly. The harness fits the plug. I'll update later.
5.0 out of 5 stars Great Product
Replaced the sensor in my 2002 Tacoma. No check engine light ever since.
5.0 out of 5 stars Great replacement for 2.4L Manual 5 Speed 2000 Tacoma - Passed Smog
Replaced this sensor after I couldn't get the Catalyst OBD monitors to turn into "Ready" state. They showed as not ready/incomplete and could not go pass Smog. There was no check engine light or stored codes but decided to change the sensor anyway as the downstream (post catalyst) sensor is the one that monitors your catalytic converter to ensure it is working properly. The original downstream O2 sensor was still on with 265,000 miles! After replacing and driving for 10 minutes on the highway the Catalyst monitor went into "Ready" status.The sensor is exactly as the previous one that was there. Can't go wrong with Denso products. For those having issues with Smog this could be a solution!
Outstanding
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Exelente producto
Exelente producto y precio.
Great fit , very good price , Carquest $200 and Toyota wanted over $285 , was same part number at Carquest
Fits 2003 Tacoma 4 x 4 Extended cab , no problem , had hoped nuts were included , but weren't , they were 8mm thread , easy find
Easy installation. Use a deep socket to work around ...
Easy installation. Use a deep socket to work around debris shield. Two new nuts are required. Spray with PB blaster before to make removal of nuts easier. Got rid of my check engine light on my 2004 Tacoma prerunner!
solid deal
perfect fit and less than half the dealer price for the exact same part. make sure you verify your part number on the denso website before ordering.
Visit the Denso Store
Denso 234-4189 Oxygen Sensor
AED44355
Quantity:
Order today to get by 7-14 business days
This item qualifies for free delivery
Imported From: United States
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If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.
Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.
All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.
While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.
Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.
BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.
All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.
All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.
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Visit the Denso Store
Denso 234-4189 Oxygen Sensor
AED44355
Quantity:
Order today to get by 7-14 business days
This item qualifies for free delivery
Imported From: United States
At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.
BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.
Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.
If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.
Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.
All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.
While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.
Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.
BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.
All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.
All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.
Description:
Denso 234-4189 Oxygen Sensor
Reviews:
5.0 out of 5 stars Works as intended.
(function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } Good quality. Direct fit for 2003 Tacoma 2.4L
5.0 out of 5 stars OEM
Fixed the P0420 i had on my 2001 Tacoma 3.4L Extra Cab
5.0 out of 5 stars Just what I needed
Good install saved a ton of money going DIY. DO YOUR Wallet A FAVOR always go DIY if you can.
4.0 out of 5 stars after some research I found that the Tacoma's work best when Denso or OEM sensors are used
My Tacoma was throwing a code for the o2 sensor, after some research I found that the Tacoma's work best when Denso or OEM sensors are used. Those with a 1st gen Tacoma, should make sure to they know the difference between the o2 sensor and the AF sensor at the front of the cats. I received my o2 sensor and after inspecting it put it into my truck. I cleared the codes and checked the sensor readings, SUCCESS! The sensor was reporting back within spec and I thought all was good. The next day while driving down the road I noticed that Torque App was reporting no reading from the o2 sensor that was just replaced. After the computer cycled my check engine light came back on as the o2 sensor was once again not showing a reading. Annoyed I checked the connections to make sure all was properly connected. I ended up having to send the sensor back for an exchange. I had my new sensor in 2 days and the second one worked like a charm when plugged in. Even though the first sensor appears to be have possibly been faulty, I would still give this item 4 stars. I would honestly give the sensor 5 stars if there wasn't that question of whether the first sensor was faulty or if my truck some how fried it. I would not hesitate to order this sensor again, and I still recommend it to all my friends with Tacomas.
5.0 out of 5 stars Perfect for 04 Tacoma
Bank 1 sensor 2 , directly by the catalytic converter underneath the truck bed right before the rear wheel on passenger side. I purchased a cheaper off brand 2years ago it worked but check engine light came back on a few weeks ago. Decided to purchase the Denzo for $65 and it works perfectly. Installing is easy the connector plug under the passenger seat is easy to get to. I have the 04 tacoma 2.4L rear wheel base 5speed.
3.0 out of 5 stars Janky fit but it seems to work
I have a 2000 2.7L Tacoma Pre Runner Regular Cab. The cable for this sensor is too long and there is no need for the rubber gasket. It's also missing a clip that inserts into a bracket near the muffler hanger. I had to double loop the cable and use zip ties so it doesn't hang. The perforated sensor tip is a smaller diameter than the original one. I'm not sure if this is the correct sensor, but research tells me it is. The check engine light is off and it seems to be running smoothly. The harness fits the plug. I'll update later.
5.0 out of 5 stars Great Product
Replaced the sensor in my 2002 Tacoma. No check engine light ever since.
5.0 out of 5 stars Great replacement for 2.4L Manual 5 Speed 2000 Tacoma - Passed Smog
Replaced this sensor after I couldn't get the Catalyst OBD monitors to turn into "Ready" state. They showed as not ready/incomplete and could not go pass Smog. There was no check engine light or stored codes but decided to change the sensor anyway as the downstream (post catalyst) sensor is the one that monitors your catalytic converter to ensure it is working properly. The original downstream O2 sensor was still on with 265,000 miles! After replacing and driving for 10 minutes on the highway the Catalyst monitor went into "Ready" status.The sensor is exactly as the previous one that was there. Can't go wrong with Denso products. For those having issues with Smog this could be a solution!
Outstanding
(function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } Great product. Perfect fit.
Exelente producto
Exelente producto y precio.
Great fit , very good price , Carquest $200 and Toyota wanted over $285 , was same part number at Carquest
Fits 2003 Tacoma 4 x 4 Extended cab , no problem , had hoped nuts were included , but weren't , they were 8mm thread , easy find
Easy installation. Use a deep socket to work around ...
Easy installation. Use a deep socket to work around debris shield. Two new nuts are required. Spray with PB blaster before to make removal of nuts easier. Got rid of my check engine light on my 2004 Tacoma prerunner!
solid deal
perfect fit and less than half the dealer price for the exact same part. make sure you verify your part number on the denso website before ordering.
Similar suggestions by Bolo
More from this brand
Similar items from “Oxygen”
Share with
Or share with link
https://www.bolo.ae/products/UO000P5LPEN