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Best place to purchase rear O2 sensor

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Old 05-10-2012 | 06:16 PM
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Best place to purchase rear O2 sensor

Sorry if this is in the wrong sub-forum, not exactly sure where to ask this question. I'm looking to purchase a new rear O2 sensor and was wondering where the best place to purchase it would be? I would prefer OEM but if anyone knows of a good aftermarket brand that performs just as well for cheaper I'd be open to that as well. I saw online that discountinfinitiparts.com had OEMs for $148. Is this a good price?
Old 05-10-2012 | 06:21 PM
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From: So Cal
Here you go:

2008 INFINITI G37 Oxygen Sensor

NTK Part # 24450 More Info
Downstream Left; 3; 4; NTK is the OE Mfg
Downstream Right; 4; NTK is the OE Mfg (Only 2 Remaining)

$73.79
Old 05-10-2012 | 06:42 PM
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Thank you sir, you are the man!!
Old 05-17-2012 | 01:14 PM
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UPDATE: So I had the shop install the new downstream O2 sensor on the driver side. I went home and used an OBD scanner to read and erase the codes. This morning I drove to work and the SES light was still on, I wrote the codes down this time (P1148 & P0031) and did some research here on the forums and on the interwebz and found out that I have a problem with the upstream driver side O2 sensor as well. I called the stealership for an OEM Infiniti part number and they gave me: 226931MR0A. I googled this number and it gave me this:

Infiniti Ft Oxygen Sensor (22693-1MR0A)
for $163.

1. Can anyone verify that this is in fact the Air/Fuel Ratio O2 sensor on the exhaust manifold? I don't trust the Infiniti Parts rep cause the first time I called him, the moron gave me the OEM part number for the downstream one.

2. Does anyone have any experience with any alternatives that might work just as well for cheaper? I called RockAuto and they didn't have anything listed for 2011 and the RockAuto customer service rep did not recommend choosing a part from 2008-2010. I would tend to agree with her since the previous years have details listed whether it's for driver-side or for passenger-side and the Infiniti Parts person I spoke to at the stealership said that the OEM part can work on either side for the 2011.

Any help would be appreciated, n00b here. I guess if worse comes to worse I'll just eat the $163
Old 06-05-2013 | 05:38 PM
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wondering what the outcome was on your P0031? I am getting the same code
Old 09-28-2013 | 03:06 PM
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From: Central NJ
Originally Posted by hinomura
UPDATE: So I had the shop install the new downstream O2 sensor on the driver side. I went home and used an OBD scanner to read and erase the codes. This morning I drove to work and the SES light was still on, I wrote the codes down this time (P1148 & P0031) and did some research here on the forums and on the interwebz and found out that I have a problem with the upstream driver side O2 sensor as well. I called the stealership for an OEM Infiniti part number and they gave me: 226931MR0A. I googled this number and it gave me this:

Infiniti Ft Oxygen Sensor (22693-1MR0A)
for $163.

1. Can anyone verify that this is in fact the Air/Fuel Ratio O2 sensor on the exhaust manifold? I don't trust the Infiniti Parts rep cause the first time I called him, the moron gave me the OEM part number for the downstream one.

2. Does anyone have any experience with any alternatives that might work just as well for cheaper? I called RockAuto and they didn't have anything listed for 2011 and the RockAuto customer service rep did not recommend choosing a part from 2008-2010. I would tend to agree with her since the previous years have details listed whether it's for driver-side or for passenger-side and the Infiniti Parts person I spoke to at the stealership said that the OEM part can work on either side for the 2011.

Any help would be appreciated, n00b here. I guess if worse comes to worse I'll just eat the $163
any resolution to this? I have the same codes now and I dont know what to do ... just installed my brand new Berk HFCs... help me please o.O
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