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2GR-FE Oxygen Sensors

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Hi fellows

Has anyone changed oxygen sensors(pre-cat sensors) on GSV40?

I'm searching for the part number but can't find any.

Would love some help.


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It looks like most parts are imported from USA.

I found this store based in QLD selling Denso products.

The seller confirms this part suits 2009 Aurion.

I will post a picture when the parts arrive.

Edited by chensyd
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  • 4 weeks later...
On 1/25/2024 at 1:43 PM, chensyd said:

I will post a picture when the parts arrive.

I ordered a set of the pre-cat and post-cat sensors from an eBay seller located in Brisbane, QLD on 31st January and got delivery 1st February.

3 of these sensors were manufactured in Japan. As advertised, one of the post cat sensors was manufactured in the USA and branded DENSO First Fit.

I also located previously purchased pre-cat [air-fuel] sensors that were also branded DENSO First Fit. These were the ones that I fitted plus both of the post-cat sensors. 

The replaced sensors have been retained and will get a good clean, eventually.


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