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Old Jul 14, 2014 | 09:10 PM
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Default o2 sensor question

Hey guys I am looking to buy some upstream o2 sensors for my PPE header swap, in the event that my existing header o2 sensors break during install.

I found a member selling a Denso #234-4521 o2 Sensor, is this the proper header o2 sensor or is this part number for an exhaust o2 sensor? I want to make sure I get the right ones!

Thanks in advance for the help guys!
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Old Jul 15, 2014 | 07:39 AM
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http://densoautoparts.com/

Last edited by BlackISFtx; Jul 15, 2014 at 01:15 PM.
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Old Jul 15, 2014 | 09:09 AM
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Originally Posted by RedlineAZ
Hey guys I am looking to buy some upstream o2 sensors for my PPE header swap, in the event that my existing header o2 sensors break during install.

I found a member selling a Denso #234-4521 o2 Sensor, is this the proper header o2 sensor or is this part number for an exhaust o2 sensor? I want to make sure I get the right ones!

Thanks in advance for the help guys!
That is the rear o2.. Not what you want.
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