Buy Denso 234-9011 Air Fuel Ratio SensorDenso 234-9011 Air Fuel Ratio Sensor Product Description:
- Manufactured to detect the amount of exhaust gas air fuel ratio
- Constructed from durable material
- Features zirconia solid electrolyte
- Highly accurate
- Easy installation
Product Description
Denso Air and Fuel Ratio sensor is designed to detect the amount of the exhaust gas air and fuel ratio. It is constructed from durable material that is corrosion and abrasion resistant. This sensor features zirconia solid electrolyte integrated with alumina heater substrate which precicely controls the amount of oxygen concentration that flows into the diffusion layer to limit current flow. This sensor can easily be installed and ensures longevity.
Customer Reviews
Most helpful customer reviews
4 of 4 people found the following review helpful.
By David Wayland Dong
This is the OEM front oxygen sensor for an '02 Subaru WRX (among other models) at a really good price. Plugs right into wire harness.
2 of 2 people found the following review helpful.
By scooter4483
After having this for a month on my 05 wrx, the sensor is doing the job. No CEL anymore. I've read that this is a direct replacement on the car without the markup. If subaru puts its name on it, its $165 approximately. I strongly recommend this as a replacement. My stock sensor failed me after 106k miles. Hopefully this one will last just as long.
1 of 1 people found the following review helpful.
By James T. Shissler
Used sensor in Saab 9-2x. Exactly like the original, same brand and everything. My auto mechanic, who is generally reasonable on prices, said the part would cost ~$300-400. Auto parts stores, almost as high. Amazon's price was an incredible $124! Still seems a bit high for a sensor, but much more reasonable than the alternatives. I looked on Subaru WRX or Saab 9-2X forums and found step by step instructions with pictures on changing it. I used Autozone's "loan a tool" program for the 22mm offset wrench, a special tool required for removal/installation, and returned it for no charge. Changing it only took about 1/2 hour, very easy. So far no more check engine light. Thanks Amazon for a great part at a great price!
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