







🚗 Upgrade your ride’s brain with precision sensing power!
The Denso 234-4261 Oxygen Sensor is a vehicle-specific replacement part designed for select Toyota and Lexus models from 2001-2012. Built to strict OE standards, it features an exclusive aluminum oxide trap for superior durability and protection against contaminants. With high heat resistance up to 800°C and a perfect fit guarantee, it improves engine efficiency, reduces emissions, and reliably clears check engine codes, making it the go-to choice for discerning drivers who demand lasting performance.


| ASIN | B0016NBBQW |
| Best Sellers Rank | #74,596 in Automotive ( See Top 100 in Automotive ) #154 in Automotive Replacement Oxygen Sensors |
| Brand | Denso |
| Customer Reviews | 4.4 4.4 out of 5 stars (852) |
| Date First Available | October 10, 2007 |
| Exterior | Machined |
| Global Trade Identification Number | 00042511112513 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4 ounces |
| Item dimensions L x W x H | 5.75 x 2.19 x 1.88 inches |
| Item model number | 234-4261 |
| Manufacturer | Denso |
| Manufacturer Part Number | 234-4261 |
| Material | Stainless Steel, Zirconium |
| Model | OXYGEN SENSOR |
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Product Dimensions | 5.75 x 2.19 x 1.88 inches |
| Specific Uses For Product | Replacement Oxygen (O2) Sensor |
| Style | Oxygen (O2) Sensor |
| UPC | 042511112513 |
| Upper Temperature Rating | 800 Degrees Celsius |
T**I
Worked great for 2007 FJ Cruiser Bank 1 sensor 2
07 FJ Cruiser Bank 1 sensor 2 check engine light code p0038 and p0137 fixed with this Denso sensor. Fit perfectly. I had tried one of the $25-ish sensors that plugged right in and seemed high quality, but after clearing the codes, the CEL came right back on. Decided to buy the Denso since the factory Toyota one I took out had a Denso logo, cleared the codes, and they have stayed off. Worth the extra $20 for sure!!
J**M
Great price and fixed the issue.
Great price and fixed the issue.
J**.
Works well. Cheap replacement
Perfect length. Good quality and cheap enough that if it stops working you can just buy another. Easy to put on if you have an older car use spray to be able to break the rusted bolts if not it is plug and play. Works well quality is good. Denso makes great stuff. Removed the codes I was getting. No issue with sensors. Well made. No more codes.
D**1
Easy install
After reading all the reviews and comments, this was the easiest fix on my vehicle ever! The check engine and traction control lights came on and I had already replaced the fuel cap a few years ago so it couldn't be the cap. I took my car to my local auto parts and the check engine code showed a bad O2 sensor. The clerk told me they had in stock and it was going to be $180.00. However after a few minute he told me nope this was a special order, and it was going to take 2 days. They have done this to me in the past so I went home and found the part on Amazon for $96.00 (I think they order online and resell at a 100% mark up). They also told me the wrong part, the part for $180.00 was for an fuel/air sensor, which is totally different from O2 sensor. Physical differences: O2 sensor attach directly to exhaust pipe with built in threads, fuel/air sensor has 2 flanges for 2 bolts. Installation only took me 5 min, and here are the steps I used: 1. Parked my car so that the middle of the vehicle is where your drive way and the street meet. Usually there's a dip there like at my house, this gave me an extra 3-4" to crawl underneath the vehicle. 2. Remove the gray plug using a flat screwdriver. Insert the flat head at the top of the plug and pull, it should come off easy. 3. Spray some WD40 or liquid wrench on the nut part of the sensor, and let sit a few min. 4. Remove sensor using a crescent wrench 5. Install new part and tighten with wrench, replug the plug and you are done! I started the engine and no check engine light or traction control lights! A few reviews said it takes a while for the lights to go off so I might have gotten luck. I hope this helps someone.
E**K
El largo del cable es muuuy pequeño, no funciona/no es el número de repuesto correcto No hay como contactar a soporte para un reembolso
N**N
This was a perfect fit replacement for my 2007 Toyota FJ Cruiser
This was a perfect fit replacement for my 2007 Toyota FJ Cruiser. Unfortunately the check engine light still came back on after about 40 miles with P0430 code... so I guess that was not the problem.
D**E
Not for Bank 1 sensor 1
Good product but didn't fit bank 1 sensor 1 for my 03 GX470. The correct part number is 234-4138
S**T
Perfect product, will buy again if needed
2005 Tacoma V6 4x4: Had a P0128 code for the bank 1 sensor 2 sensor. I replace things in pairs if applicable so I purchased this part to take care of bank 2 sensor 2 on my drivers side. The Bank 1 sensor 2 (not this sensor) sensor fixed my P0128 and P0606 codes which tells me that had I have gotten a code for this sensor, it too would also be fixed. The price was perfect and figment was excellent. Wire length was perfect. Please see photos attached to ensure this will also fit your 2005 Tacoma. Thanks!
T**R
I needed this Denso sensor (Toyota uses Denso for OEM) for an engine light that was due to P0430 (Cat efficiency below threshold). This downstream o2 sensor helped fix the issue. It should be noted that on the V6 4Runner this 02 goes on the driver side. On the V8 4Runner the 02 sensor goes on the passenger side (this 02 sensor is for the passenger side because it has a longer wire). After fixing the issue with the engine light if you still have the VSC Trac/Trac OFF lights perform the "zero point calibration". Would recommend to anyone!
A**O
Cumple
A**R
Easy to install with the correct tool, make sure to get a TEKTON 47749 3/8-Inch Drive by 7/8-Inch (22 mm) Offset Oxygen Sensor Socket. Sprayed the O2 sensors for a day with PB to easy removal. Both Driver/Passenger side O2 sensors came popped of without any issues. Denso 234-4260 and 61 ( drivers side, passenger side ) The driver-side sensor was from open box. Did not function, returned and replacement part received within a few days. No issues with replacment.
M**.
Cleared my code on bank 2 downstream for tacoma. 2006 V6
N**N
Used on my Camry very easy job good result
Trustpilot
2 months ago
3 weeks ago