| Brand | Denso |
|---|---|
| Material | Zirconium |
| Item Weight | 0.26 Pounds |
| Style | Modern |
| Maximum Supply Voltage | 12 Volts |
| Mounting Type | Threaded |
| UPC | 042511110458 |
| Global Trade Identification Number | 00042511110458 |
| Manufacturer | Denso |
| Model | Air Fuel Ratio Sensor |
| Item Weight | 4.2 ounces |
| Country of Origin | China |
| Item model number | 234-9011 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 234-9011 |
| OEM Part Number | 234-9011 |
| Position | Front |
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$175.81
Get it as soon as Tuesday, Jun 18
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This Item  Denso 234-9011 Air Fuel Ratio Sensor |  |  |  |  |  | |
| Price | -26% $175.81 List: $236.51 | -31% $96.21 List: $138.57 | -27% $121.99 List: $168.18 | -38% $107.59 List: $173.10 | -27% $92.61 List: $126.42 | $171.68 |
| Delivery | Get it as soon as Tuesday, Jun 18 | Get it as soon as Tuesday, Jun 18 | Get it as soon as Tuesday, Jun 18 | Get it as soon as Wednesday, Jun 19 | Get it as soon as Tuesday, Jun 18 | Get it Jun 18 - 20 |
| Customer Ratings | ||||||
| Easy to install | ||||||
| Value for money | ||||||
| Mileage | ||||||
| Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | USAutopartsCar |
| specific uses | — | Oxygen Sensor | Oxygen Sensor | — | Oxygen Sensor | Oxygen Sensor |
| material | Zirconium | Zirconium | Zirconium | Zirconium | Zirconium | Aluminum,Oxide,Rubber,Steel |
| mounting type | Threaded | Threaded | Dashboard | Threaded | Threaded | Flange Mount |
| style | Modern | Modern | Modern | Modern | Modern | Modern |
| weight | 0.26 pounds | 0.25 pounds | 0.01 ounces | 0.1 pounds | 0.3 pounds | 0.01 ounces |
Customer reviews
4.5 out of 5
We don’t use a simple average to calculate the overall star rating and percentage breakdown by star. Our system gives more weight to certain factors—including how recent the review is and if the reviewer bought it on Amazon. Learn more
269 global ratings
Reviews with images
Fixed the P0031 CEL in my WRX. Easy DIY install
Fit perfect in my 2004 Subaru WRX. Straight forward and pretty easy install. I've had the check engine light on for a few years, but I assumed it was a minor issue related to the turbo-back exhaust I installed so I didn't pay it much mind. When I recently checked the CEL with the Torque android app, I found out it was P0031, and it was an issue with the front o2 sensor. I double checked it by testing the resistance between the two black wires on the sensor harness, and my meter couldn't get a reading. So I ordered this sensor and it came in an original looking Denso box. I was a bit concerned that there was no pack of anti-seize included like I's seen others come with online, but there was a small amount already applied to the threads under the plastic cap. Like I said, the install went smoothly. Accessed the sensor through the passenger wheel well. Had to use a breaker bar to crack the old one loose, but it came out easy. I was expecting a fight with the 13 year old exhaust manifold. Make sure you try and not damage the old clips that hold the sensor wire to the bracket. It's important to keep the wires away from the hot exhaust so they don't melt. If you break the clips, try and use some zip ties. Replacing the sensor got rid of the CEL right way. It's weird not seeing that yellow light on my gauge cluster anymore after all these years. Hopefully I see better gas mileage now because I was running rich all this time due to the ECU guessing on the AFR. Now lets' see how long this sensor lasts :)
Top reviews from the United States
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Reviewed in the United States on July 2, 2014
Reviewed in the United States on January 12, 2024
the item bag was opened and the item had clearly had at least 5,000 miles on it.
Images in this review
Reviewed in the United States on September 6, 2017
Fixed the P0031 CEL in my WRX. Easy DIY install
Reviewed in the United States on September 6, 2017
Fit perfect in my 2004 Subaru WRX. Straight forward and pretty easy install. I've had the check engine light on for a few years, but I assumed it was a minor issue related to the turbo-back exhaust I installed so I didn't pay it much mind. When I recently checked the CEL with the Torque android app, I found out it was P0031, and it was an issue with the front o2 sensor. I double checked it by testing the resistance between the two black wires on the sensor harness, and my meter couldn't get a reading. So I ordered this sensor and it came in an original looking Denso box. I was a bit concerned that there was no pack of anti-seize included like I's seen others come with online, but there was a small amount already applied to the threads under the plastic cap. Like I said, the install went smoothly. Accessed the sensor through the passenger wheel well. Had to use a breaker bar to crack the old one loose, but it came out easy. I was expecting a fight with the 13 year old exhaust manifold. Make sure you try and not damage the old clips that hold the sensor wire to the bracket. It's important to keep the wires away from the hot exhaust so they don't melt. If you break the clips, try and use some zip ties. Replacing the sensor got rid of the CEL right way. It's weird not seeing that yellow light on my gauge cluster anymore after all these years. Hopefully I see better gas mileage now because I was running rich all this time due to the ECU guessing on the AFR. Now lets' see how long this sensor lasts :)
Reviewed in the United States on September 6, 2017
Images in this review
Top reviews from other countries
Keith Weir
Great price, quality part.
Reviewed in Canada on June 11, 2023
Keith Weir
Reviewed in Canada on June 11, 2023
Images in this review
