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The Denso 234-9051 Oxygen Sensor is a high-precision, OEM-quality zirconia sensor designed for right-bank upstream air-fuel ratio monitoring. Featuring an 18mm thread diameter and a durable 4-wire 8.5” design, it ensures accurate exhaust gas readings and easy installation with pre-applied anti-seize. Trusted by professionals and enthusiasts alike, it offers long-lasting reliability and significant savings over dealership parts.
| ASIN | B0018JUJ9O |
| Best Sellers Rank | #115,822 in Automotive ( See Top 100 in Automotive ) #11 in Automitive Electrical Air & Fuel Ratio |
| Brand | Denso |
| Brand Name | Denso |
| Customer Reviews | 4.4 out of 5 stars 515 Reviews |
| Global Trade Identification Number | 00042511112889 |
| Included Components | Oxygen Sensor |
| Item Dimensions | 14.6 x 5.6 x 4.8 centimeters |
| Item Type Name | Oxygen Sensor |
| Item Weight | 113 g |
| Item dimensions L x W x H | 14.6 x 5.6 x 4.8 centimeters |
| Item weight | 113 g |
| Manufacturer | Denso |
| Material | Zirconium |
| Material Type | Zirconium |
| Maximum Supply Voltage | 12 Volts (DC) |
| Maximum supply voltage | 12 Volts (DC) |
| Measurement Accuracy | Highly accurate |
| Measuring Range | 10.0 - 20.0 |
| Model | 234-9051 |
| Mounting Type | Layered mounting |
| Output Type | electrical |
| Part Interchange Info | 234-9051 |
| Part Number | 234-9051 |
| Specific Uses For Product | Oxygen Sensor |
| Style | Modern |
| Style Name | Modern |
| UPC | 042511112889 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 600 Degrees Celsius |
C**P
Looks to be legitimate Denso OEM AFR Sensor, great price, perfect fit...
Not a whole lot to say as this looks like it is a legitimate Denso (OEM supplier) sensor. Based on the part number, this should have been a direct replacement for the sensor that had gone bad in my car, and it was. It was a little difficult taking the old one out due to the very limited space in the engine bay, but the install was relatively easy. Just be very careful not to touch the probe end or to bang it on anything, and be VERY careful not to cross-thread it. I was happy that it shipped with a plastic thread protector and the threads were pre-coated with anti-seize (a good thing, because I forgot to buy some beforehand, and once I took the old one out it was a little to late to run to the auto parts store and buy it). Overall, the replacement stopped the ECU from throwing the codes and causing the CEL. It also looks to be good OEM-like quality. I've put 500-600 miles on since the replacement and haven't had any issues. Let's hope this one lasts 14 years and 110,000 miles like the first one.
L**.
Looks legit and works
Driver side upstream sensor went bad on my 07 gx470 so I managed to track down the part number and narrowed it down to this OEM part. Dealership wanted over $400 CAD for the part so there's massive savings to be had. Part came in a legit looking box and anti-seize pre applied. Car runs with no issues now so I highly recommend it!
M**L
As advertised
Direct OEM replacement for my 2007 Toyota Tundra. Hopefully last a long time.
T**M
Works like OEM
Perfect fit for 2008 GX470
P**T
DENSO oxygen sensor
Working like it is supposed to. No more check engine light!!
Trustpilot
2 weeks ago
3 days ago